NC0041696_Final Permit_20210222

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH NORTH CAROLINA
Director Environmental Quality
February 22, 2021
Town of Valdese
Attn: Seth Eckard, Town Manager
P.O. Box 339
Valdese, NC 28690
Subject: NPDES Permit Renewal
Permit NC0041696
Lake Rhodhiss WWTP
Burke County
Facility Class IV
SIC Code 4952
Dear Seth Eckard:
Division personnel have reviewed and approved your application for renewal of the subject permit.
Accordingly, we are forwarding the attached NPDES permit. This permit is issued pursuant to the
requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement
between North Carolina and the U.S. Environmental Protection Agency dated October 15, 2007
(or as subsequently amended).
The following significant changes were made to the draft permit sent to you on December
22, 2020:
• The permit expiration date was updated to February 28, 2026, to account for five years
since the issuance.
• The years to perform the three (3) Effluent Pollutant Scans were updated to: 2023, 2024,
and 2025.
The final permit maintains the following significant changes identified in the letter sent to
you on December 22, 2020:
• Authorization language on the supplement to permit cover sheet page was rearranged.
• As the vortex grit collector was installed, it has been added to the Facility components list
on the supplement to permit cover sheet page. Also, other components were adjusted
according to the flow process diagram provided with the permit application renewal.
• The effluent limit table for 7.5 MGD was updated to include annual total nitrogen (TN)
and total phosphorous (TP) loads. Since the existing flow is 3.5 MGD and there is no
proposal to increase to 7.5 MGD or 10.5 MGD, the annual load TN and TP limits were
added for the 7.5 MGD flow tier. The annual TN and TP load limit calculated for 10.5
MGD is set for 7.5 MGD until a final nutrient TMDL for the Catawba River Basin is
concluded. [See Section A. (2.)].
• Language has been added to Footnotes to account for effluent total hardness sampling
requirements. [See Sections A. (1.), A. (2.), and A. (3.) Footnote 5].
• Language has been added to Footnotes to include information on monitoring coalition
programs. [See Sections A. (1.) Footnote 8, A. (2.) and A. (3.) Footnote 9].
1:)_E
NORTH NA
Department
at of Environmental Uuali�
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
919.707.9000

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
• Special Condition A. (5.) has been modified to include applicable flow tiers and arranged
to include the calculation of TN and TP loads, described in former Condition A. (6)
• Special Condition A. (6.) includes the specific three years in which the Effluent Pollutant
Scan shall be performed (2023, 2024, and 2025).
• A notation was made concerning the Electronic Reporting Rule — Phase 2 Extension. EPA
is proposing to extend the Phase 2 deadline from December 21, 2020, to December 21,
2025. Effective January 4, 2021, the current compliance date was extended as a final
regulation change published in the November 2, 2020, Federal Register. [See Special
Condition A. (8.)]
• Regulatory citations have been added to the permit.
If any parts, measurement frequencies or sampling requirements contained in this permit are
unacceptable to you, you have the right to an adjudicatory hearing upon written request within
thirty (30) days following receipt of this letter. This request must be in the form of a written
petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the
Office of Administrative Hearings (6714 Mail Service Center, Raleigh, North Carolina 27699-
6714). Unless such demand is made, this decision shall be final and binding.
Please note that this permit is not transferable except after notice to the Division. The Division
may require modification or revocation and reissuance of the permit. This permit does not affect
the legal requirements to obtain other permits which may be required by the Division of Water
Resources or any other Federal, State, or Local governmental regulations.
If you have questions concerning this permit, please contact Diana Yitbarek at [phone] or by
email at [e-mail].
Sincerely,
AD.oc'u,Siigne'd byy:A `', .'q.'' `
higL I V WV4 kLLL
C464531431644FE...
For S. Daniel Smith, Director
Division of Water Resources, NCDEQ
Ecopy: US EPA Region 4
Lake Rhodhiss WWTP /Chris Bortnick and Candace Cox
DWR/Asheville Regional Office/Water Quality/Linda Wiggs and Tim Heim
DWR/Aquatic Toxicology Branch/Zach Thomas and Cindy Moore
DWR/Operator Certification Program /Maureen Kinney
NPDES Files
Page 2 of 2

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit NC0041696
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended, the
Town of Valdese
is hereby authorized to discharge treated wastewater from a facility located at the
Lake Rhodhiss Wastewater Treatment Plant
2100 Lake Rhodhiss Drive, Valdese
Burke County
to receiving waters designated as the Lake Rhodhiss (Catawba River) in the Catawba River Basin, in
accordance with effluent limitations, monitoring requirements, and other applicable conditions set
forth in Parts I, II, III, and IV hereof.
This permit shall become effective on April 1, 2021.
This permit and authorization to discharge shall expire at midnight on February 28, 2026.
Signed on February 22, 2021.
,-DocuSigned by:
- C464531431644FE...
For S. Daniel Smith, Director
Division of Water Resources
By Authority of the Environmental Management Commission

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit NC0041696
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge, are hereby revoked. As of this
permit issuance, any previously issued permit bearing this number is no longer effective. Therefore, the exclusive
authority to operate and discharge from this facility arises under the permit conditions, requirements, terms, and
provisions included herein.
Town of Valdese
is hereby authorized to
1. Continue to operate a 7.5 MGD capacity wastewater treatment facility with an approved
authorization to discharge 3.5 MGD with the following components:
➢ Screening and grit removal structure/vortex grit collector.
➢ Influent pump station
➢ Primary clarifiers
➢ Aeration basins
➢ Secondary clarifiers
➢ Chlorine contact basin
➢ Dechlorination/Sulfur dioxide structure
➢ Gravity sludge thickeners
➢ Centrifuges
➢ Dewatering structure
➢ Residuals composting operation
➢ SCADA system
2. Discharge treated wastewater into the Lake Rhodhiss (Catawba River), classified WS-IV, B,
and CA waters, through outfall 001. The location is specified on the attached map.
Upon reaching a calendar year annual average daily flow equal or greater than 2.8 MGD (80% of 3.5
MGD), or upon receiving an Authorization to Construct from the Division of Water Resources to
expand and operate the facility to 7.5 MGD, the Permittee is required to submit a written notification
to NC DEQ confirming that compliance with the 7.5 MGD limitation page is now in effect. Provided
that the facility can comply with the issued permit limits.
Upon receiving an Authorization to Construct from the Division of Water Resources to expand and
operate the facility to 10.5 MGD, the Permittee is required to submit a written notification to NC DEQ
confirming compliance with the 10.5 MGD limitation page.
Page 2 of 15

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit NC0041696
PART I
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (3.5 MGD) - [15A
NCAC 02B .0400 ET SEQ., 02B .0500 ET SEQ.] GRADE IV BIOLOGICAL WATER POLLUTION
CONTROL SYSTEM [15A NCAC 08G .0302]
a) Beginning on the effective date of this permit and lasting until this facility reaches an annual
average daily flow equal to or greater than 2.8 MGD (80% of 3.5 MGD) or expiration, the
Permittee is authorized to discharge from outfall 001, treated municipal and pretreated
industrial wastewater. Such discharges shall be limited and monitored1 by the Permittee as
specified below:
PARAMETER
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Sample
Type
Location2
Flow
50050
3.5 MGD
Continuous
Recording
I or E
BOD5 (20°C) 3
C0310
30.0 mg/L
45.0 mg/L
Daily
Composite
I and E
Total Suspended
Solids3
C0530
30.0 mg/L
g
45.0 mg/L
g
DailyComposite
p
I and E
Ammonia (NH3 as N)
C0610
Monitor and Report
Daily
Composite
E
Dissolved Oxygen,
mg/L
00300
Daily Average >_ 5 mg/L
Daily
Grab
E
Temperature, °C
00010
Monitor and Report
Daily
Grab
E
Conductivity,
µmho/cm
00094
Monitor and Report
Daily
Grab
E
Fecal Coliform
(Geometric Mean)
31616
200/100 mL
400/100 mL
Daily
Grab
E
pH
00400
Between 6.0 and 9.0 standard units
Daily
Grab
E
Total Residual
Chlorine (TRC) 4, pg/L
50060
28 pg/L
Daily
Grab
E
Total Hardness 6 [as
CaCO3], mg/L
00900
Monitor and Report
Quarterly
Composite
E
Total Hardness 6 [as
CaCO3], mg/L
00900
Monitor and Report
Quarterly
Grab
U
Total Nitrogen 6 (TN),
mg/L
(NO2+NO3+TKN)
C0600
Monitor and Report
Monthly
Composite
E
Total Phosphorus
(TP), mg/L
C0665
Monitor and Report
Monthly
Composite
E
Dissolved Oxygen,
mg/L
00300
Monitor and Report
Variable 7'8
Grab
U and D
Temperature, °C
00010
Monitor and Report
Variable 7'8
Grab
U and D
Conductivity,
µmho/cm
00094
Monitor and Report
Variable 7'8
Grab
U and D
Effluent Pollutant
Scan9
NC01
Monitor and Report
Footnote 9
Footnote 9
E
Chronic Toxicity10
TGP3B
See Footnote 10
Quarterly
Composite
E
Footnotes:
1. The Permittee shall submit discharge monitoring reports electronically using NC DWR's eDMR application
system. See Special Condition A. (8).
2. Sample Location: E - Effluent, I - Influent, U - Upstream at least 100 feet from the outfall, D - Downstream, 1
mile from the outfall, at North Carolina State Road (NCSR) 1001.
3. The monthly average effluent BOD5 and total suspended solids concentrations shall not exceed 15% of the
respective influent value (85 % removal).
Page 3of15

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit NC0041696
4. The Division shall consider all effluent total residual chlorine values reported below 50 ug/1 to be in compliance
with the permit. However, the Permittee shall continue to record and submit all values reported by a North
Carolina certified laboratory (including field certified), even if these values fall below 50 ug/1.
5. Effluent Total Hardness sampling shall be performed in conjunction with testing for hardness -dependent metals
(cadmium, copper, lead, nickel, silver, and zinc). The Permittee shall sample instream hardness upstream of the
facility's discharge. The sample shall be representative of the hardness in the receiving stream.
6. For a given wastewater sample, total nitrogen (TN) = TKN + NO3-N + NO2-N, where TKN is total kjeldahl
nitrogen, and NO3-N and NO2-N are nitrate and nitrite nitrogen, respectively.
7. Variable monitoring frequency is defined as follows: samples collected three times per week during June 1
through September 30 and once per week October 1 through May 31.
8. If the Permittee is a member of a monitoring coalition program, sampling may be waived as long as the
monitoring coalition agrees to sample at a minimum frequency of quarterly, and the Permittee has obtained
approval from DWR-NPDES Permitting Unit that the location being monitored by the Coalition and the sampling
is representative of the receiving stream for this discharge. The Permittee is responsible for submitting test results
with its permit renewal application package. If Coalition membership is canceled or the Coalition terminates
sampling at the approved station, the Permittee will immediately notify the Division and resume sampling for
upstream of its discharge.
9. The Permittee shall perform three Effluent Pollutant Scans during the term of this permit. See Special Condition
A. (6).
10. Chronic Toxicity (Ceriodaphnia) P/F @ 2.4%, January, April, July, October. See Special Condition A. (4).
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 4 of 15

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit NC0041696
A. (2.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (7.5 MGD) [15A
NCAC 02B .0400 ET SEQ., 02B .0500 ET SEQ.] GRADE IV BIOLOGICAL WATER POLLUTION
CONTROL SYSTEM [15A NCAC 08G .0302]
a) Beginning when this facility reaches an annual average daily flow equal to or greater than 2.8
MGD and lasting until expiration or expansion to 10.5 MGD, the Permittee is authorized to
discharge from outfall 001, treated municipal and pretreated industrial wastewater. Such
discharges shall be limited and monitored) by the Permittee as specified below:
PARAMETER
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Sample
Type
Location
Flow
50050
7.5 MGD
Continuous
Recording
I or E
Total Monthly Flow
82220
Monitor and Report
Continuous
Calculated
I or E
BOD5 (20°C) 3
C0310
30.0 mg/L
45.0 mg/L
Daily
Composite
I and E
Total Suspended
Solids3
C0530
30.0 mg/L
g
45.0 mg/L
g
DailyComposite
p
I and E
Ammonia (NH3 as N)
C0610
16.0 mg/L
35.0 mg/L
Daily
Composite
E
Dissolved Oxygen,
mg/L
00300
Daily Average >_ 5 mg/L
Daily
Grab
E
Temperature, °C
00010
Monitor and Report
Daily
Grab
E
Conductivity,
µmho/cm
00094
Monitor and Report
Daily
Grab
E
Fecal Coliform
(Geometric Mean)
31616
200/100 mL
400/100 mL
Daily
Grab
E
pH
00400
Between 6.0 and 9.0 standard units
Daily
Grab
E
Total Residual
Chlorine (TRC) 4, pg/L
50060
28 pg/L
Daily
Grab
E
Total Hardness 6 [as
CaCO3], mg/L
00900
Monitor and Report
Quarterly
Composite
E
Total Hardness 6 [as
CaCO3], mg/L
00900
Monitor and Report
Quarterly
Grab
U
Total Nitrogen 6 (TN),
mg/L
(NO2+NO3+TKN)
C0600
Monitor and Report
Monthly
Composite
E
Total Phosphorus
(TP), mg/L
C0665
Monitor and Report
Monthly
Composite
E
TN Load7
146,659 lb/year
Annual
Calculated
E
TP Load7
33,200 lb/year
Annual
Calculated
E
Dissolved Oxygen,
mg/L
00300
Monitor and Report
Variable 8,9
Grab
U and D
Temperature, °C
00010
Monitor and Report
Variable 8,9
Grab
U and D
Conductivity,
µmho/cm
00094
Monitor and Report
Variable 8,9
Grab
U and D
Effluent Pollutant
Scan
NC01
Monitor and Report
Footnote 10
Footnote
10
E
Chronic Toxicity"
TGP3B
See Footnote 11
Quarterly
Composite
E
Footnotes:
1. The Permittee shall submit discharge monitoring reports electronically using NC DWR's eDMR application
system. See Special Condition A. (8).
Page 5 of 15

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit NC0041696
2. Sample Location: E - Effluent, I - Influent, U - Upstream at least 100 feet from the outfall, D - Downstream, 1
mile from the outfall, at North Carolina State Road (NCSR) 1001.
3. The monthly average effluent BOD5 and total suspended solids concentrations shall not exceed 15% of the
respective influent value (85 % removal).
4. The Division shall consider all effluent total residual chlorine values reported below 50 ug/1 to be in compliance
with the permit. However, the Permittee shall continue to record and submit all values reported by a North
Carolina certified laboratory (including field certified), even if these values fall below 50 ug/1.
5. Effluent Total Hardness sampling shall be performed in conjunction with testing for hardness -dependent metals
(cadmium, copper, lead, nickel, silver, and zinc). The Permittee shall sample instream hardness upstream of the
facility's discharge. The sample shall be representative of the hardness in the receiving stream.
6. For a given wastewater sample, total nitrogen (TN) = TKN + NO3-N + NO2-N, where TKN is total kjeldahl
nitrogen, and NO3-N and NO2-N are nitrate and nitrite nitrogen, respectively.
7. TN and TP load is the mass of total nitrogen and total phosphorous discharged in a given period of time. See
special condition A. (5).
8. Variable monitoring frequency is defined as follows: samples collected three times per week during June 1
through September 30 and once per week October 1 through May 31.
9. If the Permittee is a member of a monitoring coalition program, sampling may be waived as long as the
monitoring coalition agrees to sample at a minimum frequency of quarterly, and the Permittee has obtained
approval from DWR-NPDES Permitting Unit that the location being monitored by the Coalition and the sampling
is representative of the receiving stream for this discharge. The Permittee is responsible for submitting test results
with its permit renewal application package. If Coalition membership is canceled or the Coalition terminates
sampling at the approved station, the Permittee will immediately notify the Division and resume sampling for
upstream of its discharge.
10. The Permittee shall perform three Effluent Pollutant Scans during the term of this permit. See Special Condition
A. (6).
11. Chronic Toxicity (Ceriodaphnia) P/F @ 4.9%, January, April, July, October. See Special Condition A.(4).
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 6of15

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit NC0041696
A. (3.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (10.5 MGD) [15A
NCAC 02B .0400 ET SEQ., 02B .0500 ET SEQ.] GRADE IV BIOLOGICAL WATER POLLUTION
CONTROL SYSTEM [15A NCAC 08G .0302]
a) Beginning upon expansion to 10.5 MGD and lasting until expiration. The Permittee is
authorized to discharge from outfall 001 treated municipal and pretreated industrial
wastewater. Such discharges shall be limited and monitored1 by the Permittee as specified
below:
PARAMETER
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Sample
Type
Location2
Flow
50050
10.5 MGD
Continuous
Recording
I or E
Total Monthly Flow
82220
Monitor and Report
Continuous
Calculated
I or E
BOD5 (20°C) 3
C0310
15.0 mg/L
22.5 mg/L
Daily
Composite
I and E
Total Suspended
Solids3
C0530
30.0 mg/L
g
45.0 mg/L
g
DailyComposite
p
I and E
Ammonia (NH3 as N)
C0610
4.0 mg/L
12.0 mg/L
Daily
Composite
E
Dissolved Oxygen,
mg/L
00300
Daily Average >_ 5 mg/L
Daily
Grab
E
Temperature, °C
00010
Monitor and Report
Daily
Grab
E
Conductivity,
µmho/cm
00094
Monitor and Report
Daily
Grab
E
Fecal Coliform
(Geometric Mean)
31616
200/100 mL
400/100 mL
Daily
Grab
E
pH
00400
Between 6.0 and 9.0 standard units
Daily
Grab
E
Total Residual
Chlorine (TRC) 4,
pg/L
50060
28 pg/L
Daily
Grab
E
Total Hardness 6 [as
CaCO3], mg/L
00900
Monitor and Report
Quarterly
Composite
E
Total Hardness 6 [as
CaCO3], mg/L
00900
Monitor and Report
Quarterly
Grab
U
total kjeldahl
nitrogen (TKN)
00625
Monitor and Report
Monthly
Composite
E
NO2 + NO3
00630
Monitor and Report
Monthly
Composite
E
Total Nitrogen 6
(TN), mg/L
(NO2+NO3+TKN)
C0600
Monitor and Report
Monthly
Composite
E
Total Phosphorus
(TP), mg/L
C0665
Monitor and Report
Monthly
Composite
E
TN Load'
146,659 lb/year
Annual
Calculated
E
TP Load'
33,200 lb/year
Annual
Calculated
E
Dissolved Oxygen,
mg/L
00300
Monitor and Report
Variable 8,9
Grab
U and D
Temperature, °C
00010
Monitor and Report
Variable 8,9
Grab
U and D
Conductivity,
µmho/cm
00094
Monitor and Report
Variable 8,9
Grab
U and D
Effluent Pollutant
Scan
NC01
Monitor and Report
Footnote 10
Footnote 10
E
Chronic Toxicity"
TGP3B
See Footnote 11
Quarterly
Composite
E
Page 7 of 15

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit NC0041696
Footnotes:
1. The Permittee shall submit discharge monitoring reports electronically using NC DWR's eDMR application
system. See Special Condition A. (8).
2. Sample Location: E - Effluent, I - Influent, U - Upstream at least 100 feet from the outfall, D - Downstream, 1
mile from the outfall, at North Carolina State Road (NCSR) 1001.
3. The monthly average effluent BOD5 and total suspended solids concentrations shall not exceed 15% of the
respective influent value (85 % removal).
4. The Division shall consider all effluent total residual chlorine values reported below 50 ug/1 to be in compliance
with the permit. However, the Permittee shall continue to record and submit all values reported by a North
Carolina certified laboratory (including field certified), even if these values fall below 50 ug/1.
5. Effluent Total Hardness sampling shall be performed in conjunction with testing for hardness -dependent metals
(cadmium, copper, lead, nickel, silver, and zinc). The Permittee shall sample instream hardness upstream of the
facility's discharge. The sample shall be representative of the hardness in the receiving stream.
6. For a given wastewater sample, total nitrogen (TN) = TKN + NO3-N + NO2-N, where TKN is total kjeldahl
nitrogen, and NO3-N and NO2-N are nitrate and nitrite nitrogen, respectively.
7. TN and TP load is the mass of total nitrogen and total phosphorous discharged in a given period of time. See
special condition A. (5).
8. Variable monitoring frequency is defined as follows: samples collected three times per week during June 1
through September 30 and once per week October 1 through May 31.
9. If the Permittee is a member of a monitoring coalition program, sampling may be waived as long as the
monitoring coalition agrees to sample at a minimum frequency of quarterly, and the Permittee has obtained
approval from DWR-NPDES Permitting Unit that the location being monitored by the Coalition and the sampling
is representative of the receiving stream for this discharge. The Permittee is responsible for submitting test results
with its permit renewal application package. If Coalition membership is canceled or the Coalition terminates
sampling at the approved station, the Permittee will immediately notify the Division and resume sampling for
upstream of its discharge.
10. The Permittee shall perform three Effluent Pollutant Scans during the term of this permit. See Special Condition
A. (6).
11. Chronic Toxicity (Ceriodaphnia) P/F @ 6.7%, January, April, July, October. See Special Condition A.(4).
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 8of15

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit NC0041696
A. (4.) CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY) [15A NCAC 02B.0200 ET SEQ.]
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Ceriodaphnia dubia at an effluent concentration of 2.4% at 3.5 MGD; 4.9% at 7.5 MGD;
and 6.7% at 10.5 MGD.
The permit holder shall perform at a minimum, quarterly monitoring using test procedures outlined in
the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised December 2010, or
subsequent versions or "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure"
(Revised -December 2010) or subsequent versions. The tests will be performed during the months of
January, April, July, October. Effluent sampling for this testing shall be performed at the NPDES
permitted final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV
below the permit limit, then multiple -concentration testing shall be performed at a minimum, in
each of the two following months as described in "North Carolina Phase II Chronic Whole
Effluent Toxicity Test Procedure" (Revised -December 2010 or subsequent versions).
All toxicity testing results required as part of this permit condition will be entered electronically using
the Division's eDMR system for the months in which tests were performed, using the parameter code
TGP3B for the pass/fail results and THP3B for the Chronic Value. Additionally, DWR Form AT-3
(original) is to be sent to the following address:
North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Or, results can be sent to the email, [e-mail]_
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences Section no later than 30
days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved
designate signature. Total residual chlorine of the effluent toxicity sample must be measured and
reported if chlorine is employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is
required, the Permittee will complete the information located at the top of the aquatic toxicity (AT)
test form indicating the facility name, permit number, pipe number, county, and the month/year of
the report with the notation of "No Flow" in the comment area of the form. The report shall be
submitted to the Water Sciences Section at the address cited above.
Should the Permittee fail to monitor during a month in which toxicity monitoring is required,
monitoring will be required during the following month. Assessment of toxicity compliance is based
on the toxicity testing quarter, which is the three-month time interval that begins on the first day of
the month in which toxicity testing is required by this permit and continues until the final day of the
third month.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Water Resources indicate potential impacts to the receiving stream, this permit may be re-
opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival, minimum control organism reproduction, and appropriate environmental
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Permit NC0041696
controls, shall constitute an invalid test and will require immediate follow-up testing to be completed
no later than the last day of the month following the month of the initial monitoring.
A. (5.) CALCULATION OF TOTAL NITROGEN AND TOTAL PHOSPHORUS LOADS [G.S. 143-
215.1(B)]
Total Nitrogen (TN) load limits and total phosphorous (TP) load limits are annual limits and
apply on a calendar year basis for the 7.5 MGD and 10.5 MGD flow tiers.
(a.)The Permittee shall calculate annual TN/TP loads as follows:
(i.)
Monthly TN (or TP) Load (lb/mo) = TN (or TP) x TMF x 8.34
where:
TN or = the average Total Nitrogen or Total Phosphorus
TP
TMF
8.34
concentration (mg/L) of the composite samples collected
during the month
= the Total Monthly Flow of wastewater discharged during
the month (MG/mo)
= conversion factor, from (mg/L x MG) to pounds
(ii.) Annual TN (or TP) Load (lb/yr) = Sum of the 12 Monthly TN (or TP) Loads for
the calendar year
(b.)The Permittee shall report monthly Total Nitrogen and Total Phosphorus results (mg/L
and lb/mo) in the appropriate discharge monitoring report for each month and shall
report each calendar year's results (lb/yr) with the December report for that year.
A. (6.) EFFLUENT POLLUTANT SCAN [G.S. 143-215.1(B)]
a) The Permittee shall perform a total of three (3) Effluent Pollutant Scans for all parameters listed
below. One scan must be performed in each of the following years: 2023, 2024, and 2025.
Analytical methods shall be in accordance with 40 CFR Part 136 and shall be sufficiently sensitive
to determine whether parameters are present in concentrations greater than applicable standards
and criteria. Samples should be collected with one quarterly toxicity test each year and must
represent seasonal variation [i.e., do not sample in the same quarter every year]. Unless otherwise
indicated, metals shall be analyzed as "total recoverable."
Ammonia (as N)
Chlorine (total residual, TRC)
Dissolved oxygen
Nitrate / Nitrite
Kjeldahl nitrogen
Oil and grease
Phosphorus
Total dissolved solids
Hardness
Antimony
Arsenic
Beryllium
Cadmium
Chromium
Copper
C0610
50060
00300
00630
00625
00556
C0665
70295
00900
01097
01002
01012
01027
C0034
01042
Trans-1,2-dichloroethylene
1,1-dichloroethylene
1,2-dichloropropane
1,3-dichloropropylene
Ethylbenzene
Methyl bromide
Methyl chloride
Methylene chloride
1,1,2,2-tetrachloroethane
Tetrachloroethylene
Toluene
1,1,1-trichloroethane
1,1,2-trichloroethane
Trichloroethylene
Vinyl chloride
Page 10 of 15
34546
34501
C0541
77163
34371
34413
34418
34423
81549
34475
34010
34506
34511
39180
39175
Bis (2-chloroethyl) ether
Bis (2-chloroisopropyl) ether
Bis (2-ethylhexyl) phthalate
4-bromophenyl phenyl ether
Butyl benzyl phthalate
2-chloronaphthalene
4-chlorophenyl phenyl ether
Chrysene
Di-n-butyl phthalate
Di-n-octyl phthalate
Dibenzo(a,h)anthracene
1,2-dichlorobenzene
1,3-dichlorobenzene
1,4-dichlorobenzene
3,3-dichlorobenzidine
34273
34283
C0100
34636
34292
34581
34641
34320
39110
34596
34556
34536
34566
34571
34631

DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Lead
Mercury (Method 1631E)
Nickel
Selenium
Silver
Thallium
Zinc
Cyanide
Total phenolic compounds
Volatile organic compounds:
Acrolein
Acrylonitrile
Benzene
Bromoform
Carbon tetrachloride
Chlorobenzene
Chlorodibromomethane
Chloroethane
2-chloroethyl vinyl ether
Chloroform
Dichlorobromomethane
1,1-dichloroethane
1,2-dichloroethane
01051
COMER
01067
01147
01077
01059
01092
00720
32730
34210
34215
34030
32104
32102
34301
34306
85811
34576
32106
32101
34496
32103
Acid -extractable compounds:
P-chloro-m-cresol
2-chlorophenol
2,4-dichlorophenol
2,4-dimethylphenol
4,6-dinitro-o-cresol
2,4-dinitrophenol
2-nitrophenol
4-nitrophenol
Pentachlorophenol
Phenol
2,4,6-trichlorophenol
Base -neutral compounds:
Acenaphthene
Acenaphthylene
Anthracene
Benzidine
Benzo(a)anthracene
Benzo(a)pyrene
3,4 benzofluoranthene
Benzo(ghi)perylene
Benzo(k)fluoranthene
Bis (2-chloroethoxy) methane
Permit NC0041696
Diethyl phthalate 34336
34452 Dimethyl phthalate 34341
34586 2,4-dinitrotoluene 34611
34601 2,6-dinitrotoluene C0626
34606 1,2-diphenylhydrazine 34346
34657 Fluoranthene C0376
34616 Fluorene 34381
34591 Hexachlorobenzene C0700
34646 Hexachlorobutadiene C0702
39032 Hexachlorocyclo-pentadiene 34386
34694 Hexachloroethane 34396
34621 Indeno(1,2,3-cd)pyrene 34403
Isophorone 34408
Naphthalene 34696
Nitrobenzene 34447
N-nitrosodi-n-propylamine 34428
N-nitrosodimethylamine 34438
N-nitrosodiphenylamine 34433
Phenanthrene 34461
Pyrene 34469
1,2,4-trichlorobenzene C0551
34205
34200
CO220
39120
C0526
34247
34230
34521
34242
34278
b) Reporting. Test results shall be reported electronically using the Division's eDMR system or
on DWR Form DMR-PPA-1(or on a form approved by the Director) by December 31st of each
designated sampling year.
c) The Permittee must at least report completion of the test in the eDMR system by entering "1"
or "Y" for parameter code NC01 - Annual Pollutant Scan. If utilizing the DWR Form submit to
the following address:
NC DEQ / DWR / NPDES Files, 1617 Mail Service Center, Raleigh, North Carolina 27699-
1617. Or the form may be uploaded at: https://edocs.deq.nc.gov/Forms/NPDES_WW-EDMR-
Supplemental-Form
d) Additional Toxicity Testing Requirements for Municipal Permit Renewal. Please note that
Municipal facilities that are subject to the Effluent Pollutant Scan requirements listed above are
also subject to additional toxicity testing requirements specified in Federal Regulation 40 CFR
122.21(j)(5). The US EPA requires four (4) toxicity tests for a test organism other than the test
species currently required in this permit. The multiple species tests should be conducted either
quarterly for a 12-month period prior to submittal of the permit renewal application, or four
tests performed at least annually in the four- and one-half year period prior to the application.
These tests shall be performed for acute or chronic toxicity, whichever is specified in this permit.
The multiple species toxicity test results shall be filed with the Aquatic Toxicology Branch at
the following address:
North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Or, results can be sent to the email, [e-mail].
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Contact the Division's Aquatic Toxicology Branch at 919-743-8401 for guidance on conducting
the additional toxicity tests and reporting requirements. Results should also be summarized
in Part E (Toxicity Testing Data) of EPA Municipal Application Form 2A, when submitting the
permit renewal application to the NPDES Permitting Unit.
A. (7.) MERCURY MINIMIZATION PLAN (MMP) [G.S. 143-215.1(B)]
The Permittee shall continue to implement a mercury minimization plan during this permit term. The
MMP was developed by August 1, 2018 and shall continue to be available for inspection on -site. The
MMP places emphasis on identification of mercury contributors and goals for reduction. Results shall
be summarized and submitted with the next permit renewal. Performance of the Mercury
Minimization Plan will meet the requirements of the TMDL (Total Maximum Daily Load) for mercury
approved by USEPA on October 12, 2012, unless and until a Waste Load Allocation specific to this
facility is developed and this NPDES permit is amended to require further actions to address the
Waste Load Allocation.
A. (8.) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS [G.S. 143-
215.1(B)]
Federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and
program reports. The final NPDES Electronic Reporting Rule was adopted and became effective on
December 21, 2015.
NOTE: This special condition supplements or supersedes the following sections within Part II of this
permit (Standard Conditions for NPDES Permits):
• Section B. (11.) Signatory Requirements
• Section D. (2.) Reporting
• Section D. (6.) Records Retention
• Section E. (5.) Monitoring Reports
1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)]
The Permittee shall report discharge monitoring data electronically using the NC DWR's Electronic
Discharge Monitoring Report (eDMR) internet application.
Monitoring results obtained during the previous month(s) shall be summarized for each month and
submitted electronically using eDMR. The eDMR system allows permitted facilities to enter
monitoring data and submit DMRs electronically using the internet. Until such time that the state's
eDMR application is compliant with EPA's Cross -Media Electronic Reporting Regulation
(CROMERR), Permittees will be required to submit all discharge monitoring data to the state
electronically using eDMR and will be required to complete the eDMR submission by printing,
signing, and submitting one signed original and a copy of the computer printed eDMR to the following
address:
NC DEQ / Division of Water Resources / Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
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Permit NC0041696
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility
being physically located in an area where less than 10 percent of the households have broadband
access, then a temporary waiver from the NPDES electronic reporting requirements may be granted
and discharge monitoring data may be submitted on paper DMR forms (MR 1,1.1, 2, 3) or alternative
forms approved by the Director. Duplicate signed copies shall be submitted to the mailing address
address above. See "How to Request a Waiver from Electronic Reporting" section below.
Regardless of the submission method, the first DMR is due on the last day of the month following the
issuance of the permit or, in the case of a new facility, on the last day of the month following the
commencement of discharge.
NPDES Electronic Reporting Rule - Phase 2 Extension. EPA extended the Phase 2 deadline to
December 21, 2025. The current compliance date, effective January 4, 2021, was extended as a final
regulation change published in the November 2, 2020 Federal Register.
Starting on December 21, 2025, the Permittee must electronically report the following compliance
monitoring data and reports, when applicable:
• Sewer Overflow/Bypass Event Reports;
• Pretreatment Program Annual Reports; and
• Clean Water Act (CWA) Section 316(b) Annual Reports.
The Permittee may seek an electronic reporting waiver from the Division (see "How to Request a
Waiver from Electronic Reporting" section below).
2. Electronic Submissions
In accordance with 40 CFR 122.41(1)(9), the Permittee must identify the initial recipient at the time of
each electronic submission. The Permittee should use the EPA's website resources to identify the
initial recipient for the electronic submission.
Initial recipient of electronic NPDES information from NPDES-regulated facilities means the entity
(EPA or the state authorized by EPA to implement the NPDES program) that is the designated entity
for receiving electronic NPDES data [see 40 CFR 127.2(b)].
EPA plans to establish a website that will also link to the appropriate electronic reporting tool for each
type of electronic submission and for each state. Instructions on how to access and use the
appropriate electronic reporting tool will be available as well. Information on EPA's NPDES
Electronic Reporting Rule is found at
https:/ /www.federalregister.gov/ documents/ 2015/ 10/ 22/ 2015-24954/ national-pollutant-discharge-
elimination-system-npdes-electronic-reporting-rule
Electronic submissions must start by the dates listed in the "Reporting Requirements" section above.
3. How to Request a Waiver from Electronic Reporting
The Permittee may seek a temporary electronic reporting waiver from the Division. To obtain an
electronic reporting waiver, a permittee must first submit an electronic reporting waiver request to
the Division. Requests for temporary electronic reporting waivers must be submitted in writing to
the Division for written approval at least sixty (60) days prior to the date the facility would be
required under this permit to begin submitting monitoring data and reports. The duration of a
temporary waiver shall not exceed 5 years and shall thereupon expire. At such time, monitoring data
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and reports shall be submitted electronically to the Division unless the permittee re -applies for and is
granted a new temporary electronic reporting waiver by the Division. Approved electronic reporting
waivers are not transferrable. Only permittees with an approved reporting waiver request may
submit monitoring data and reports on paper to the Division for the period that the approved
reporting waiver request is effective.
Information on eDMR and the application for a temporary electronic reporting waiver are found on
the following web page:
http:/ / deq.nc.gov/ about/ divisions/water-resources/ edmr
4. Signatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section B. (11.)
All eDMRs submitted to the permit issuing authority shall be signed by a person described in Part II,
Section B. (11.)(a) or by a duly authorized representative of that person as described in Part II, Section
B. (11.)(b). A person, and not a position, must be delegated signatory authority for eDMR reporting
purposes.
For eDMR submissions, the person signing and submitting the DMR must obtain an eDMR user
account and login credentials to access the eDMR system. For more information on North Carolina's
eDMR system, registering for eDMR, and obtaining an eDMR user account, please visit the following
web page:
http:/ / deq.nc.gov/ about/ divisions/water-resources/ edmr
Certification. Any person submitting an electronic DMR using the state's eDMR system shall make
the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION WILL
BE ACCEPTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or
supervision in accordance with a system designed to assure that qualified personnel properly gather and
evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my
knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting
false information, including the possibility of fines and imprisonment for knowing violations."
5. Records Retention [Supplements Section D. (6.)]
The Permittee shall retain records of all Discharge Monitoring Reports, including eDMR submissions.
These records or copies shall be maintained for a period of at least 3 years from the date of the report.
This period may be extended by request of the Director at any time [40 CFR 122.41].
Map will be added here once doc is in pdf.
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DocuSign Envelope ID: CFBADD43-F2DE-4862-BD76-0317A8608AA9
Permit No. NC0041696
•n e. _ _S
.
r
Nnith La urwl
ar
n
•
Upstream
Sampling
Location
A E-T
- 1
Lake Rhodhiss
WWTP
V BUR1tE F+
Discharge
Location
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Downstream /
Sampling
Location /
v-r..
L: An Y-
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ibtrnurrinl •.h •
Receiving Stream:
Drainage Basin:
Permitted Flow:
Lake Rhodhiss WWTP - NC0041696
Town of Valdese - Burke County
Lake Rhodhiss Stream Class: WS-IV, B CA
Catawba River Basin Sub -Basin: 03-08-31
3.5 MGD, 7.5 MGD, 10.5 MGD HUC: 03050101
State Grid/USGS Quad: D12SE / Valdese, N.C.
N Facility Location (Not to scale)
Latitude 35° 46' 41" N Longitude 81° 32' 25"
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NPDES Permit Standard Conditions
Page 1 of 18
PART II
STANDARD CONDITIONS FOR NPDES PERMITS
Section A. Definitions
2/Month
Samples are collected twice per month with at least ten calendar days between sampling events. These samples shall be
representative of the wastewater discharged during the sample period.
3/Week
Samples are collected three times per week on three separate calendar days. These samples shall be representative of
the wastewater discharged during the sample period.
Act or "the Act"
The Federal Water Pollution Control Act, also known as the Clean Water Act (CWA), as amended, 33 USC 1251, et.
seq.
Annual Average
The arithmetic mean of all "daily discharges" of a pollutant measured during the calendar year. In the case of fecal
coliform, the geometric mean of such discharges.
Arithmetic Mean
The summation of the individual values divided by the number of individual values.
Bypass
The known diversion of waste streams from any portion of a treatment facility including the collection system, which is
not a designed or established or operating mode for the facility.
Calendar Day
The period from midnight of one day until midnight of the next day. However, for purposes of this permit, any
consecutive 24-hour period that reasonably represents the calendar day may be used for sampling.
Calendar Week
The period from Sunday through the following Saturday.
Calendar Quarter
One of the following distinct periods: January through March, April through June, July through September, and
October through December.
Composite Sample
A sample collected over a 24-hour period by continuous sampling or combining grab samples of at least 100 mL in
such a manner as to result in a total sample representative of the wastewater discharge during the sample period. The
Director may designate the most appropriate method (specific number and size of aliquots necessary, the time interval
between grab samples, etc.) on a case -by -case basis. Samples may be collected manually or automatically. Composite
samples may be obtained by the following methods:
(1) Continuous: a single, continuous sample collected over a 24-hour period proportional to the rate of flow.
(2) Constant time/variable volume: a series of grab samples collected at equal time intervals over a 24 hour period
of discharge and combined proportional to the rate of flow measured at the time of individual sample
collection, or
Variable time/constant volume: a series of grab samples of equal volume collected over a 24 hour period with
the time intervals between samples determined by a preset number of gallons passing the sampling point. Flow
measurement between sample intervals shall be determined by use of a flow recorder and totalizer, and the
preset gallon interval between sample collection fixed at no greater than 1/24 of the expected total daily flow at
the treatment system, or
(3)
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NPDES Permit Standard Conditions
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(4) Constant time/constant volume: a series of grab samples of equal volume collected over a 24-hour period at a
constant time interval. Use of this method requires prior approval by the Director. This method may only be
used in situations where effluent flow rates vary less than 15 percent. The following restrictions also apply:
➢ Influent and effluent grab samples shall be of equal size and of no less than 100 milliliters
➢ Influent samples shall not be collected more than once per hour.
➢ Permittees with wastewater treatment systems whose detention time < 24 hours shall collect effluent grab
samples at intervals of no greater than 20 minutes apart during any 24-hour period.
➢ Permittees with wastewater treatment systems whose detention time exceeds 24 hours shall collect effluent
grab samples at least every six hours; there must be a minimum of four samples during a 24-hour sampling
period.
Continuous flow measurement
Flow monitoring that occurs without interruption throughout the operating hours of the facility. Flow shall be
monitored continually except for the infrequent times when there may be no flow or for infrequent maintenance
activities on the flow device.
Daily Discharge
The discharge of a pollutant measured during a calendar day or any 24-hour period that reasonably represents the
calendar day for purposes of sampling. For pollutants measured in units of mass, the "daily discharge" is calculated as
the total mass of the pollutant discharged over the day. For pollutants expressed in other units of measurement, the
"daily discharge" is calculated as the average measurement of the pollutant over the day. (40 CFR 122.2; see also
"Composite Sample," above.)
Daily Maximum
The highest "daily discharge" during the calendar month.
Daily Sampling
Parameters requiring daily sampling shall be sampled 5 out of every 7 days per week unless otherwise specified in the
permit. Sampling shall be conducted on weekdays except where holidays or other disruptions of normal operations
prevent weekday sampling. If sampling is required for all seven days of the week for any permit parameter(s), that
requirement will be so noted on the Effluent Limitations and Monitoring Page(s).
DWR or "the Division"
The Division of Water Resources, Department of Environmental Quality.
Effluent
Wastewater discharged following all treatment processes from a water pollution control facility or other point source
whether treated or untreated.
EMC
The North Carolina Environmental Management Commission
EPA
The United States Environmental Protection Agency
Facility Closure
Cessation of all activities that require coverage under this NPDES permit. Completion of facility closure will allow this
permit to be rescinded.
Geometric Mean
The Nth root of the product of the individual values where N = the number of individual values. For purposes of
calculating the geometric mean, values of "0" (or "< [detection level]") shall be considered = 1.
Grab Sample
Individual samples of at least 100 mL collected over a period of time not exceeding 15 minutes. Grab samples can be
collected manually. Grab samples must be representative of the discharge (or the receiving stream, for instream
samples).
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Hazardous Substance
Any substance designated under 40 CFR Part 116 pursuant to Section 311 of the CWA.
Instantaneous flow measurement
The flow measured during the minimum time required for the flow measuring device or method to produce a result in
that instance. To the extent practical, instantaneous flow measurements coincide with the collection of any grab
samples required for the same sampling period so that together the samples and flow are representative of the discharge
during that sampling period.
Monthly Average (concentration limit)
The arithmetic mean of all "daily discharges" of a pollutant measured during the calendar month. In the case of fecal
coliform or other bacterial parameters or indicators, the geometric mean of such discharges.
Permit Issuing Authority
The Director of the Division of Water Resources.
Quarterly Average (concentration limit)
The arithmetic mean of all samples taken over a calendar quarter.
Severe property damage
Substantial physical damage to property, damage to the treatment facilities which causes them to become inoperable, or
substantial and permanent loss of natural resources which can reasonably be expected to occur in the absence of a
bypass. Severe property damage excludes economic loss caused by delays in production.
Toxic Pollutant:
Any pollutant listed as toxic under Section 307(a)(1) of the CWA.
Upset
An incident beyond the reasonable control of the Permittee causing unintentional and temporary noncompliance with
permit effluent limitations and/or monitoring requirements. An upset does not include noncompliance caused by
operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive
maintenance, or careless or improper operation.
Weekly Average (concentration limit)
The arithmetic mean of all "daily discharges" of a pollutant measured during the calendar week. In the case of fecal
coliform or other bacterial parameters or indicators, the geometric mean of such discharges.
Section B. General Conditions
1. Duty to Comply
The Permittee must comply with all conditions of this permit. Any permit noncompliance constitutes a violation of
the CWA and is grounds for enforcement action; for permit termination, revocation and reissuance, or
modification; or denial of a permit renewal application [40 CFR 122.41].
a. The Permittee shall comply with effluent standards or prohibitions established under section 307(a) of the
CWA for toxic pollutants and with standards for sewage sludge use or disposal established under section
405(d) of the CWA within the time provided in the regulations that establish these standards or prohibitions or
standards for sewage sludge use or disposal, even if the permit has not yet been modified to incorporate the
requirement.
b. The CWA provides that any person who violates section[s] 301, 302, 306, 307, 308, 318 or 405 of the Act, or
any permit condition or limitation implementing any such sections in a permit issued under section 402, or any
requirement imposed in a pretreatment program approved under sections 402(a)(3) or 402(b)(8) of the Act, is
subject to a civil penalty not to exceed $37,500 per day for each violation. [33 USC 1319(d) and 40 CFR
122.41(a)(2)]
c. The CWA provides that any person who negligently violates sections 301, 302, 306, 307, 308, 318, or 405 of
the Act, or any condition or limitation implementing any of such sections in a permit issued under section 402
of the Act, or any requirement imposed in a pretreatment program approved under section 402(a)(3) or
402(b)(8) of the Act, is subject to criminal penalties of $2,500 to $25,000 per day of violation, or
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imprisonment of not more than 1 year, or both. In the case of a second or subsequent conviction for a negligent
violation, a person shall be subject to criminal penalties of not more than $50,000 per day of violation, or by
imprisonment of not more than 2 years, or both. [33 USC 1319(c)(1) and 40 CFR 122.41(a)(2)]
d. Any person who knowingly violates such sections, or such conditions or limitations is subject to criminal
penalties of $5,000 to $50,000 per day of violation, or imprisonment for not more than 3 years, or both. In the
case of a second or subsequent conviction for a knowing violation, a person shall be subject to criminal
penalties of not more than $100,000 per day of violation, or imprisonment of not more than 6 years, or both.
[33 USC 1319(c)(2) and 40 CFR 122.41(a)(2)]
e. Any person who knowingly violates section 301, 302, 303, 306, 307, 308, 318 or 405 of the Act, or any permit
condition or limitation implementing any of such sections in a permit issued under section 402 of the Act, and
who knows at that time that he thereby places another person in imminent danger of death or serious bodily
injury, shall, upon conviction, be subject to a fme of not more than $250,000 or imprisonment of not more than
15 years, or both. In the case of a second or subsequent conviction for a knowing endangerment violation, a
person shall be subject to a fme of not more than $500,000 or by imprisonment of not more than 30 years, or
both. An organization, as defined in section 309(c)(3)(B)(iii) of the CWA, shall, upon conviction of violating
the imminent danger provision, be subject to a fme of not more than $1,000,000 and can be fined up to
$2,000,000 for second or subsequent convictions. [40 CFR 122.41(a)(2)]
f. Under state law, a civil penalty of not more than $25,000 per violation may be assessed against any person
who violates or fails to act in accordance with the terms, conditions, or requirements of a permit. [North
Carolina General Statutes § 143-215.6A]
Any person may be assessed an administrative penalty by the Administrator for violating section 301, 302,
306, 307, 308, 318 or 405 of this Act, or any permit condition or limitation implementing any of such sections
in a permit issued under section 402 of this Act Administrative penalties for Class I violations are not to
exceed $16,000 per violation, with the maximum amount of any Class I penalty assessed not to exceed
$37,500. Penalties for Class II violations are not to exceed $16,000 per day for each day during which the
violation continues, with the maximum amount of any Class II penalty not to exceed $177,500. [33 USC
1319(g)(2) and 40 CFR 122.41(a)(3)]
2. Duty to Mitigate
The Permittee shall take all reasonable steps to minimize or prevent any discharge or sludge use or disposal in
violation of this permit with a reasonable likelihood of adversely affecting human health or the environment [40
CFR 122.41(d)].
3. Civil and Criminal Liability
Except as provided in permit conditions on 'Bypassing" (Part II.C.4), "Upsets" (Part II.C.5) and 'Power Failures"
(Part II.C.7), nothing in this permit shall be construed to relieve the Permittee from any responsibilities, liabilities,
or penalties for noncompliance pursuant to NCGS 143-215.3, 143-215.6 or Section 309 of the Federal Act, 33 USC
1319. Furthermore, the Permittee is responsible for consequential damages, such as fish kills, even though the
responsibility for effective compliance may be temporarily suspended.
4. Oil and Hazardous Substance Liability
Nothing in this permit shall be construed to preclude the institution of any legal action or relieve the Permittee
from any responsibilities, liabilities, or penalties to which the Permittee is or may be subject to under NCGS 143-
215.75 et seq. or Section 311 of the Federal Act, 33 USG 1321. Furthermore, the Permittee is responsible for
consequential damages, such as fish kills, even though the responsibility for effective compliance may be
temporarily suspended.
5. Property Rights
The issuance of this permit does not convey any property rights in either real or personal property, or any exclusive
privileges, nor does it authorize any injury to private property or any invasion of personal rights, nor any
infringement of Federal, State or local laws or regulations [40 CFR 122.41(g)].
6. Onshore or Offshore Construction
This permit does not authorize or approve the construction of any onshore or offshore physical structures or
facilities or the undertaking of any work in any navigable waters.
g.
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7. Severability
The provisions of this permit are severable. If any provision of this permit, or the application of any provision of
this permit to any circumstances, is held invalid, the application of such provision to other circumstances, and the
remainder of this permit, shall not be affected thereby [NCGS 150B-23].
8. Duty to Provide Information
The Permittee shall furnish to the Permit Issuing Authority, within a reasonable time, any information which the
Permit Issuing Authority may request to determine whether cause exists for modifying, revoking and reissuing, or
terminating this permit or to determine compliance with this permit. The Permittee shall also furnish to the Permit
Issuing Authority upon request, copies of records required by this permit [40 CFR 122.41(h)].
9. Duty to Reapply
If the Permittee wishes to continue an activity regulated by this permit after the expiration date of this permit, the
Permittee must apply for and obtain a new permit [40 CFR 122.41(b)].
10. Expiration of Permit
The Permittee is not authorized to discharge after the expiration date. In order to receive automatic authorization to
discharge beyond the expiration date, the Permittee shall submit such information, forms, and fees as are required
by the agency authorized to issue permits no later than 180 days prior to the expiration date unless permission for a
later date has been granted by the Director. (The Director shall not grant permission for applications to be
submitted later than the expiration date of the existing permit.) [40 CFR 122.21(d)] Any Permittee that has not
requested renewal at least 180 days prior to expiration, or any Permittee that does not have a permit after the
expiration and has not requested renewal at least 180 days prior to expiration, will subject the Permittee to
enforcement procedures as provided in NCGS 143-215.6 and 33 USC 1251 et. seq.
11. Signatory Requirements
All applications, reports, or information submitted to the Permit Issuing Authority shall be signed and certified [40
CFR 122.41(k)].
a. All permit applications shall be signed as follows:
(1) For a corporation: by a responsible corporate officer. For the purpose of this Section, a responsible
corporate officer means: (a) a president, secretary, treasurer or vice president of the corporation in charge
of a principal business function, or any other person who performs similar policy or decision making
functions for the corporation, or (b) the manager of one or more manufacturing, production, or operating
facilities, provided, the manager is authorized to make management decisions which govern the operation
of the regulated facility including having the explicit or implicit duty of making major capital investment
recommendations, and initiating and directing other comprehensive measures to assure long term
environmental compliance with environmental laws and regulations; the manager can ensure that the
necessary systems are established or actions taken to gather complete and accurate information for permit
application requirements; and where authority to sign documents has been assigned or delegated to the
manager in accordance with corporate procedures .
(2) For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or
(3) For a municipality, State, Federal, or other public agency: by either a principal executive officer or
ranking elected official [40 CFR 122.22].
b. All reports required by the permit and other information requested by the Permit Issuing Authority shall be
signed by a person described in paragraph a. above or by a duly authorized representative of that person. A
person is a duly authorized representative only if:
(1) The authorization is made in writing by a person described above;
(2) The authorization specified either an individual or a position having responsibility for the overall operation
of the regulated facility or activity, such as the position of plant manager, operator of a well or well field,
superintendent, a position of equivalent responsibility, or an individual or position having overall
responsibility for environmental matters for the company. (A duly authorized representative may thus be
either a named individual or any individual occupying a named position.); and
(3) The written authorization is submitted to the Permit Issuing Authority [40 CFR 122.22]
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c. Changes to authorization: If an authorization under paragraph (b) of this section is no longer accurate because
a different individual or position has responsibility for the overall operation of the facility, a new authorization
satisfying the requirements of paragraph (b) of this section must be submitted to the Director prior to or
together with any reports, information, or applications to be signed by an authorized representative [40 CFR
122.22]
d. Certification. Any person signing a document under paragraphs a. or b. of this section shall make the following
certification [40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION WILL BE ACCEPTED:
"1 certi& under penalty of law, that this document and all attachments were prepared under my direction or
supervision in accordance with a system designed to assure that qualified personnel properly gather and
evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my
knowledge and belief true, accurate, and complete. I am aware that there are significant penalties for
submitting false information, including the possibility of fines and imprisonment for knowing violations."
12. Permit Actions
This permit may be modified, revoked and reissued, or terminated for cause. The filing of a request by the
Permittee for a permit modification, revocation and reissuance, or termination, or a notification of planned changes
or anticipated noncompliance does not stay any permit condition [40 CFR 122.41(f)].
13. Permit Modification, Revocation and Reissuance, or Termination
The issuance of this permit does not prohibit the permit issuing authority from reopening and modifying the permit,
revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules, and regulations
contained in Title 40, Code of Federal Regulations, Parts 122 and 123; Title 15A of the North Carolina
Administrative Code, Subchapter 02H .0100; and North Carolina General Statute 143.215.1 et. al.
14. Annual Administering and Compliance Monitoring Fee Requirements
The Permittee must pay the annual administering and compliance monitoring fee within thirty days after being
billed by the Division. Failure to pay the fee in a timely manner in accordance with 15A NCAC 02H .0105(b)(2)
may cause this Division to initiate action to revoke the permit.
Section C. Operation and Maintenance of Pollution Controls
1. Certified Operator
Owners of classified water pollution control systems must designate operators, certified by the Water Pollution
Control System Operators Certification Commission (WPCSOCC), of the appropriate type and grade for the
system, and, for each classification must [T15A NCAC 08G .02011:
a. designate one Operator In Responsible Charge (ORC) who possesses a valid certificate of the type and grade at
least equivalent to the type and grade of the system;
b. designate one or more Back-up Operator(s) in Responsible Charge (Back-up ORCs) who possesses a valid
certificate of the type of the system and no more than one grade less than the grade of the system, with the
exception of no backup operator in responsible charge is required for systems whose minimum visitation
requirements are twice per year; and
c. submit a signed completed "Water Pollution Control System Operator Designation Form" to the Commission
(or to the local health department for owners of subsurface systems) countersigned by the designated certified
operators, designating the Operator in Responsible Charge (ORC) and the Back-up Operator in Responsible
Charge (Back-up ORC):
(1) 60 calendar days prior to wastewater or residuals being introduced into a new system; or
(2) within 120 calendar days following:
➢ receiving notification of a change in the classification of the system requiring the designation of a new
Operator in Responsible Charge (ORC) and Back-up Operator in Responsible Charge (Back-up ORC)
of the proper type and grade; or
➢ a vacancy in the position of Operator in Responsible Charge (ORC) or Back-up Operator in
Responsible Charge (Back-up ORC).
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(3) within seven calendar days of vacancies in both ORC and Back-up ORC positions replacing or designating
at least one of the responsibilities.
The ORC of each Class I facility (or the Back-up ORC, when acting as surrogate for the ORC) must:
➢ Visit the facility as often as is necessary to insure proper operation of the treatment system; the treatment
facility must be visited at least weekly
➢ Comply with all other conditions of 15A NCAC 08G .0204.
The ORC of each Class II, III and IV facility (or the Back-up ORC, when acting as surrogate for the ORC) must:
➢ Visit the facility as often as is necessary to insure proper operation of the treatment system; the treatment
facility must be visited at least five days per week, excluding holidays
➢ Properly manage and document daily operation and maintenance of the facility
➢ Comply with all other conditions of 15A NCAC 08G .0204.
2. Proper Operation and Maintenance
The Permittee shall at all times properly operate and maintain all facilities and systems of treatment and control
(and related appurtenances) which are installed or used by the Permittee to achieve compliance with the conditions
of this permit. Proper operation and maintenance also includes adequate laboratory controls and appropriate quality
assurance procedures. This provision requires the Permittee to install and operate backup or auxiliary facilities only
when necessary to achieve compliance with the conditions of the permit [40 CFR 122.41(e)].
NOTE: Properly and officially designated operators are fully responsible for all proper operation and maintenance
of the facility, and all documentation required thereof, whether acting as a contract operator [subcontractor] or a
member of the Permittee's staff.
3. Need to Halt or Reduce not a Defense
It shall not be a defense for a Permittee in an enforcement action that it would have been necessary to halt or
reduce the permitted activity in order to maintain compliance with the condition of this permit [40 CFR 122.41(c)].
4. Bypassing of Treatment Facilities
a. Bypass not exceeding limitations [40 CFR 122.41(m)(2)]
The Permittee may allow any bypass to occur which does not cause effluent limitations to be exceeded, but
only if it also is for essential maintenance to assure efficient operation. These bypasses are not subject to the
provisions of Paragraphs b. and c. of this section.
b. Notice [40 CFR 122.41(m)(3)]
(1) Anticipated bypass. If the Permittee knows in advance of the need for a bypass, it shall submit prior notice,
if possible at least ten days before the date of the bypass; including an evaluation of the anticipated quality
and effect of the bypass.
(2) Unanticipated bypass. The Permittee shall submit notice of an unanticipated bypass as required in Part
II.E.6. (24-hour notice).
c. Prohibition of Bypass
(1) Bypass from the treatment facility is prohibited and the Permit Issuing Authority may take enforcement
action against a Permittee for bypass, unless:
(A) Bypass was unavoidable to prevent loss of life, personal injury or severe property damage;
(B) There were no feasible alternatives to the bypass, such as the use of auxiliary treatment facilities,
retention of untreated wastes or maintenance during normal periods of equipment downtime. This
condition is not satisfied if adequate backup equipment should have been installed in the exercise of
reasonable engineering judgment to prevent a bypass which occurred during normal periods of
equipment downtime or preventive maintenance; and
(C) The Permittee submitted notices as required under Paragraph b. of this section.
(2) Bypass from the collection system is prohibited and the Permit Issuing Authority may take enforcement
action against a Permittee for a bypass as provided in any current or future system -wide collection system
permit associated with the treatment facility.
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(3) The Permit Issuing Authority may approve an anticipated bypass, after considering its adverse effects, if
the Permit Issuing Authority determines that it will meet the three conditions listed above in Paragraph c.
(1) of this section.
5. Upsets
a. Effect of an upset [40 CFR 122.41(n)(2)]: An upset constitutes an affirmative defense to an action brought for
noncompliance with such technology based permit effluent limitations if the requirements of paragraph b. of
this condition are met. No determination made during administrative review of claims that noncompliance was
caused by upset, and before an action for noncompliance, is fmal administrative action subject to judicial
review.
b. Conditions necessary for a demonstration of upset: Any Permittee who wishes to establish the affirmative
defense of upset shall demonstrate, through properly signed, contemporaneous operating logs, or other relevant
evidence that:
(1) An upset occurred and that the Permittee can identify the cause(s) of the upset;
(2) The Permittee facility was at the time being properly operated; and
(3) The Permittee submitted notice of the upset as required in Part II.E.6.(b) of this permit.
(4) The Permittee complied with any remedial measures required under Part II.B.2. of this permit.
c. Burden of proof [40 CFR 122.41(n)(4)]: The Permittee seeking to establish the occurrence of an upset has
the burden of proof in any enforcement proceeding.
6. Removed Substances
Solids, sludges, filter backwash, or other pollutants removed in the course of treatment or control of wastewaters
shall be utilized/disposed of in accordance with NCGS 143-215.1 and in a manner such as to prevent any pollutant
from such materials from entering waters of the State or navigable waters of the United States except as permitted
by the Commission. The Permittee shall comply with all applicable state and Federal regulations governing the
disposal of sewage sludge, including 40 CFR 503, Standards for the Use and Disposal of Sewage Sludge; 40 CFR
Part 258, Criteria For Municipal Solid Waste Landfills; and 15A NCAC Subchapter 2T, Waste Not Discharged To
Surface Waters. The Permittee shall notify the Permit Issuing Authority of any significant change in its sludge use
or disposal practices.
7. Power Failures
The Permittee is responsible for maintaining adequate safeguards (as required by 15A NCAC 02H .0124) to
prevent the discharge of untreated or inadequately treated wastes during electrical power failures either by means
of alternate power sources, standby generators or retention of inadequately treated effluent.
Section D. Monitoring and Records
1. Representative Sampling
Samples collected and measurements taken, as required herein, shall be representative of the permitted discharge.
Samples collected at a frequency less than daily shall be taken on a day and time that is representative of the
discharge for the period the sample represents. All samples shall be taken at the monitoring points specified in this
permit and, unless otherwise specified, before the effluent joins or is diluted by any other wastestream, body of
water, or substance. Monitoring points shall not be changed without notification to and the approval of the Permit
Issuing Authority [40 CFR 122.41(j)].
2. Reporting
Monitoring results obtained during the previous month(s) shall be summarized for each month and reported on a
monthly Discharge Monitoring Report (DMR) Form (MR 1, 1.1, 2, 3) or alternative forms approved by the
Director, postmarked no later than the last calendar day of the month following the completed reporting period.
The first DMR is due on the last day of the month following the issuance of the permit or in the case of a new
facility, on the last day of the month following the commencement of discharge. Duplicate signed copies of these,
and all other reports required herein, shall be submitted to the following address:
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NC DEQ / Division of Water Resources / Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
3. Flow Measurements
Appropriate flow measurement devices and methods consistent with accepted scientific practices shall be selected
and used to ensure the accuracy and reliability of measurements of the volume of monitored discharges. The
devices shall be installed, calibrated and maintained to ensure that the accuracy of the measurements is consistent
with the accepted capability of that type of device. Devices selected shall be capable of measuring flows with a
maximum deviation of less than 10% from the true discharge rates throughout the range of expected discharge
volumes. Flow measurement devices shall be accurately calibrated at a minimum of once per year and maintained
to ensure that the accuracy of the measurements is consistent with the accepted capability of that type of device.
The Director shall approve the flow measurement device and monitoring location prior to installation.
Once -through condenser cooling water flow monitored by pump logs, or pump hour meters as specified in Part I of
this permit and based on the manufacturer's pump curves shall not be subject to this requirement.
4. Test Procedures
Laboratories used for sample analysis must be certified by the Division. Permittees should contact the Division's
Laboratory Certification Section (919 733-3908) or visit https://deq.nc.gov/about/divisions/water-resources/water-
resources-data/water-sciences-home-page/laboratory-certification-branch for information regarding laboratory
certifications.
Facilities whose personnel are conducting testing of field -certified parameters only must hold the appropriate field
parameter laboratory certifications.
Test procedures for the analysis of pollutants shall conform to the EMC regulations (published pursuant to NCGS
143-215.63 et. seq.), the Water and Air Quality Reporting Acts, and to regulations published pursuant to Section
304(g), 33 USC 1314, of the CWA (as amended), and 40 CFR 136; or in the case of sludge use or disposal,
approved under 40 CFR 136, unless otherwise specified in 40 CFR 503, unless other test procedures have been
specified in this permit [40 CFR 122.41].
To meet the intent of the monitoring required by this permit, all test procedures must produce minimum detection
and reporting levels that are below the permit discharge requirements and all data generated must be reported down
to the minimum detection or lower reporting level of the procedure. If no approved methods are determined
capable of achieving minimum detection and reporting levels below permit discharge requirements, then the most
sensitive (method with the lowest possible detection and reporting level) approved method must be used.
5. Penalties for Tampering
The CWA provides that any person who falsifies, tampers with, or knowingly renders inaccurate, any monitoring
device or method required to be maintained under this permit shall, upon conviction, be punished by a fme of not
more than $10,000 per violation, or by imprisonment for not more than two years per violation, or by both. If a
conviction of a person is for a violation committed after a first conviction of such person under this paragraph,
punishment is a fme of not more than $20,000 per day of violation, or by imprisonment of not more than 4 years,
or both [40 CFR 122.41].
6. Records Retention
Except for records of monitoring information required by this permit related to the Permittee's sewage sludge use
and disposal activities, which shall be retained for a period of at least five years (or longer as required by 40 CFR
503), the Permittee shall retain records of all monitoring information, including:
➢ all calibration and maintenance records
➢ all original strip chart recordings for continuous monitoring instrumentation
➢ copies of all reports required by this permit
➢ copies of all data used to complete the application for this permit
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These records or copies shall be maintained for a period of at least 3 years from the date of the sample,
measurement, report or application. This period may be extended by request of the Director at any time [40 CFR
122.41].
7. Recording Results
For each measurement or sample taken pursuant to the requirements of this permit, the Permittee shall record the
following information [40 CFR 122.41]:
a. The date, exact place, and time of sampling or measurements;
b. The individual(s) who performed the sampling or measurements;
c. The date(s) analyses were performed;
d. The individual(s) who performed the analyses;
e. The analytical techniques or methods used; and
f. The results of such analyses.
8. Inspection and Entry
The Permittee shall allow the Director, or an authorized representative (including an authorized contractor acting as
a representative of the Director), upon the presentation of credentials and other documents as may be required by
law, to;
a. Enter, at reasonable times, upon the Permittee's premises where a regulated facility or activity is located or
conducted, or where records must be kept under the conditions of this permit;
b. Have access to and copy, at reasonable times, any records that must be kept under the conditions of this permit;
c. Inspect at reasonable times any facilities, equipment (including monitoring and control equipment), practices,
or operations regulated or required under this permit; and
d. Sample or monitor at reasonable times, for the purposes of assuring permit compliance or as otherwise
authorized by the CWA, any substances or parameters at any location [40 CFR 122.41(i)].
Section E Reporting Requirements
1. Change in Discharge
All discharges authorized herein shall be consistent with the terms and conditions of this permit. The discharge of
any pollutant identified in this permit more frequently than or at a level in excess of that authorized shall constitute
a violation of the permit.
2. Planned Changes
The Permittee shall give notice to the Director as soon as possible of any planned physical alterations or additions
to the permitted facility [40 CFR 122.41(1)]. Notice is required only when:
a. The alteration or addition to a permitted facility may meet one of the criteria for new sources at 40 CFR
122.29(b); or
b. The alteration or addition could significantly change the nature or increase the quantity of pollutants
discharged. This notification applies to pollutants subject neither to effluent limitations in the permit, nor to
notification requirements under 40 CFR 122.42(a)(1); or
c. The alteration or addition results in a significant change in the Permittee's sludge use or disposal practices, and
such alteration, addition or change may justify the application of permit conditions that are different from or
absent in the existing permit, including notification of additional use or disposal sites not reported during the
permit application process or not reported pursuant to an approved land application plan.
3. Anticipated Noncompliance
The Permittee shall give advance notice to the Director of any planned changes to the permitted facility or other
activities that might result in noncompliance with the permit [40 CFR 122.41(1)(2)].
4. Transfers
This permit is not transferable to any person without prior written notice to and approval from the Director in
accordance with 40 CFR 122.61. The Director may condition approval in accordance with NCGS 143-215.1, in
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particular NCGS 143-215.1(b)(4)b.2., and may require modification or revocation and reissuance of the permit, or
a minor modification, to identify the new permittee and incorporate such other requirements as may be necessary
under the CWA [40 CFR 122.41(1)(3), 122.61] or state statute.
5. Monitoring Reports
Monitoring results shall be reported at the intervals specified elsewhere in this permit [40 CFR 122.41(1)(4)].
a. Monitoring results must be reported on a Discharge Monitoring Report (DMR) (See Part II.D.2) or forms
provided by the Director for reporting results of monitoring of sludge use or disposal practices.
b. If the Permittee monitors any pollutant more frequently than required by this permit using test procedures
approved under 40 CFR Part 136 and at a sampling location specified in this permit or other appropriate
instrument governing the discharge, the results of such monitoring shall be included in the calculation and
reporting of the data submitted on the DMR.
6. Twenty-four Hour Reporting
a. The Permittee shall report to the Director or the appropriate Regional Office any noncompliance that
potentially threatens public health or the environment. Any information shall be provided orally within 24
hours from the time the Permittee became aware of the circumstances. A written submission shall also be
provided within 5 days of the time the Permittee becomes aware of the circumstances. The written submission
shall contain a description of the noncompliance, and its cause; the period of noncompliance, including exact
dates and times, and if the noncompliance has not been corrected, the anticipated time it is expected to
continue; and steps taken or planned to reduce, eliminate, and prevent reoccurrence of the noncompliance [40
CFR 122.41(1)(6)].
b. The Director may waive the written report on a case -by -case basis for reports under this section if the oral
report has been received within 24 hours.
c. Occurrences outside normal business hours may also be reported to the Division's Emergency Response
personnel at [phone] or [phone].
7. Other Noncompliance
The Permittee shall report all instances of noncompliance not reported under Part II.E.5 and 6. of this permit at the
time monitoring reports are submitted. The reports shall contain the information listed in Part II.E.6. of this permit
[40 CFR 122.41(1)(7)].
8. Other Information
Where the Permittee becomes aware that it failed to submit any relevant facts in a permit application, or submitted
incorrect information in a permit application or in any report to the Director, it shall promptly submit such facts or
information [40 CFR 122.41(1)(8)].
9. Noncompliance Notification
The Permittee shall report by telephone to either the central office or the appropriate regional office of the Division
as soon as possible, but in no case more than 24 hours or on the next working day following the occurrence or first
knowledge of the occurrence of any of the following:
a. Any occurrence at the water pollution control facility which results in the discharge of significant amounts of
wastes which are abnormal in quantity or characteristic, such as the dumping of the contents of a sludge
digester; the known passage of a slug of hazardous substance through the facility; or any other unusual
circumstances.
b. Any process unit failure, due to known or unknown reasons, that render the facility incapable of adequate
wastewater treatment such as mechanical or electrical failures of pumps, aerators, compressors, etc.
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass without treatment of all
or any portion of the influent to such station or facility.
Persons reporting such occurrences by telephone shall also file a written report within 5 days following first
knowledge of the occurrence. Also see reporting requirements for municipalities in Part IV.C.2.c. of this permit.
10. Availability of Reports
Except for data determined to be confidential under NCGS 143-215.3 (a)(2) or Section 308 of the Federal Act, 33
USC 1318, all reports prepared in accordance with the terms shall be available for public inspection at the offices
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of the Division. As required by the Act, effluent data shall not be considered confidential. Knowingly making any
false statement on any such report may result in the imposition of criminal penalties as provided for in NCGS 143-
215.1(b)(2) or in Section 309 of the Federal Act.
11. Penalties for Falsification of Reports
The CWA provides that any person who knowingly makes any false statement, representation, or certification in
any record or other document submitted or required to be maintained under this permit, including monitoring
reports or reports of compliance or noncompliance shall, upon conviction, be punished by a fine of not more than
$25,000 per violation, or by imprisonment for not more than two years per violation, or by both [40 CFR 122.41].
12. Annual Performance Reports
Permittees who own or operate facilities that primarily collect or treat municipal or domestic wastewater and have
an average annual flow greater than 200,000 gallons per day shall provide an annual report to the Permit Issuing
Authority and to the users/customers served by the Permittee (NCGS 143-215.1C). The report shall summarize the
performance of the collection or treatment system, as well as the extent to which the facility was compliant with
applicable Federal or State laws, regulations and rules pertaining to water quality. The report shall be provided no
later than sixty days after the end of the calendar or fiscal year, depending upon which annual period is used for
evaluation.
The report shall be sent to:
NC DEQ / Division of Water Resources / Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
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PART III
OTHER REQUIREMENTS
Section A. Construction
a. The Permittee shall not commence construction of wastewater treatment facilities, nor add to the plant's treatment
capacity, nor change the treatment process(es) utilized at the treatment plant unless (1) the Division has issued an
Authorization to Construct (AtC) permit or (2) the Permittee is exempted from such AtC permit requirements
under Item b. of this Section.
b. In accordance with NCGS 143-215.1(a5) [SL 2011-394], no permit shall be required to enter into a contract for the
construction, installation, or alteration of any treatment work or disposal system or to construct, install, or alter any
treatment works or disposal system within the State when the system's or work's principle function is to conduct,
treat, equalize, neutralize, stabilize, recycle, or dispose of industrial waste or sewage from an industrial facility and
the discharge of the industrial waste or sewage is authorized under a permit issued for the discharge of the
industrial waste or sewage into the waters of the State. Notwithstanding the above, the permit issued for the
discharge may be modified if required by federal regulation.
Issuance of an AtC will not occur until Final Plans and Specifications for the proposed construction have been
submitted by the Permittee and approved by the Division.
c.
Section B. Groundwater Monitoring
The Permittee shall, upon written notice from the Director, conduct groundwater monitoring as may be required to
determine the compliance of this NPDES permitted facility with the current groundwater standards.
Section C. Changes in Discharges of Toxic Substances
The Permittee shall notify the Permit Issuing Authority as soon as it knows or has reason to believe (40 CFR 122.42):
a. That any activity has occurred or will occur which would result in the discharge, on a routine or frequent basis, of
any toxic pollutant which is not limited in the permit, if that discharge will exceed the highest of the following
"notification levels";
(1) One hundred micrograms per liter (100 µg/L);
(2) Two hundred micrograms per liter (200 µg/L) for acrolein and acrylonitrile; five hundred micrograms per liter
(500 µg/L) for 2,4-dinitrophenol and for 2-methyl-4,6-dinitrophenol; and one milligram per liter (1 mg/L) for
antimony;
(3) Five times the maximum concentration value reported for that pollutant in the permit application.
b. That any activity has occurred or will occur which would result in any discharge, on a non -routine or infrequent
basis, of a toxic pollutant which is not limited in the permit, if that discharge will exceed the highest of the
following "notification levels";
(1) Five hundred micrograms per liter (500 µg/L);
(2) One milligram per liter (1 mg/L) for antimony;
(3) Ten times the maximum concentration value reported for that pollutant in the permit application.
Section D. Facility Closure Requirements
The Permittee must notify the Division at least 90 days prior to the closure of any wastewater treatment system covered
by this permit. The Division may require specific measures during deactivation of the system to prevent adverse
impacts to waters of the State. This permit cannot be rescinded while any activities requiring this permit continue at the
permitted facility.
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PART IV
SPECIAL CONDITIONS FOR MUNICIPAL FACILITIES
Section A. Definitions
In addition to the defmitions in Part II of this permit, the following defmitions apply to municipal facilities:
Indirect Discharge or Industrial User
Any non -domestic source that discharges wastewater containing pollutants into a POTW regulated under section
307(b), (c) or (d) of the CWA. [40 CFR 403.3 (i) and (j) and 15A NCAC 02H .0903(b)(11)]
Interference
Inhibition or disruption of the POTW treatment processes; operations; or its sludge process, use, or disposal which
causes or contributes to a violation of any requirement of the Permittee's (or any satellite POTWs if different from the
Permittee) NPDES, collection system, or non -discharge permit or prevents sewage sludge use or disposal in
compliance with specified applicable State and Federal statutes, regulations, or permits. [15A NCAC 02H
.0903(b)(14)]
Pass Through
A discharge which exits the POTW into waters of the State in quantities or concentrations which, alone or with
discharges from other sources, causes a violation, including an increase in the magnitude or duration of a violation, of
the Permittee's (or any satellite POTWs, if different from the Permittee) NPDES, collection system, or non -discharge
permit. [15A NCAC 02H .0903(b)(23)]
Publicly Owned Treatment Works (POTW)
A treatment works as defmed by Section 212 of the CWA, which is owned by a State or local government organization.
This defmition includes any devices and systems used in the storage, treatment, recycling and reclamation of municipal
sewage or industrial wastes of a liquid nature. It also includes the collection system, as defmed in 15A NCAC 2T
.0402, only if it conveys wastewater to a POTW treatment plant. The term also means the local government
organization, or municipality, as defmed in section 502(4) of the CWA, which has jurisdiction over indirect discharges
to and the discharges from such a treatment works. In this context, the organization may be the owner of the POTW
treatment plant or the owner of the collection system into which an indirect discharger discharges. This second type of
POTW may be referred to as a "satellite POTW organization." [15A NCAC 02H .0903(b)(26)]
"Significant Industrial User" or "SIU"
An Industrial User that discharges wastewater into a publicly owned treatment works and that [15A NCAC 02H
.0903(b)(33)]:
1. Discharges an average of 25,000 gallons per day or more of process wastewater to the POTW (excluding sanitary,
noncontact cooling and boiler blowdown wastewaters); or
2. Contributes process wastewater which makes up five percent or more of the NPDES or non -discharge permitted
flow limit or organic capacity of the POTW treatment plant. In this context, organic capacity refers to BOD, TSS
and ammonia; or
3. Is subject to categorical standards under 40 CFR Part 403.6 and 40 CFR Parts 405-471; or
4. Is designated as such by the Permittee on the basis that the Industrial User has a reasonable potential for adversely
affecting the POTWs operation or for violating any pretreatment standard or requirement, or the POTW's effluent
limitations and conditions in its NPDES or non -discharge permit, or to limit the POTW's sludge disposal options;
5. Subject to approval under 15A NCAC 02H .0907(b), the Permittee may determine that an Industrial User meeting
the criteria in paragraphs 1 or 2 of this defmition above has no reasonable potential for adversely affecting the
POTWs operation or for violating any pretreatment standard or requirement, the POTWs effluent limitations and
conditions in its NPDES or non -discharge permit, or to limit the POTWs sludge disposal options, and thus is not a
Significant Industrial User (SIU); or
6. Subject to approval under 15A NCAC 02H .0907(b), the Permittee may determine that an Industrial User meeting
the criteria in paragraph 3 of this defmition above meets the requirements of 40 CFR Part 403.3(v)(2) and thus is a
non -significant categorical Industrial User.
Section B. Publicly Owned Treatment Works (POTWs)
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Section C. Municipal Control of Pollutants from Industrial Users.
1. Effluent limitations are listed in Part I of this permit. Other pollutants attributable to inputs from Industrial Users
discharging to the POTW may be present in the Permittee's discharge. At such time as sufficient information
becomes available to establish limitations for such pollutants, this permit may be revised to specify effluent
limitations for any or all of such other pollutants in accordance with best practicable technology or water quality
standards.
2. Prohibited Discharges
a. The Permittee shall develop and enforce their Pretreatment Program to implement the prohibition against the
introduction of pollutants or discharges into the waste treatment system or waste collection system which
cause or contribute to Pass Through or Interference as defined in 15A NCAC 02H .0900 and 40 CFR 403. [40
CFR 403.5(a)(1)]
b. The Permittee shall develop and enforce their Pretreatment Program to implement the prohibitions against the
introduction of the following wastes in the waste treatment or waste collection system [40 CFR 403.5(b)]:
(1) Pollutants which create a fire or explosion hazard in the POTW, including, but not limited to,
wastestreams with a closed cup flashpoint of less than 140 degrees Fahrenheit or 60 degrees Centigrade
using the test methods specified in 40 CFR 261.21;
(2) Pollutants which cause corrosive structural damage to the POTW, but in no case discharges with pH lower
than 5.0, unless the works is specifically designed to accommodate such discharges;
Solid or viscous pollutants in amounts which cause obstruction to the flow in the POTW resulting in
Interference;
(4) Any pollutant, including oxygen demanding pollutants (BOD, etc.) released in a Discharge at a flow rate
and/or pollutant concentration which will cause Interference with the POTW;
Heat in amounts which will inhibit biological activity in the POTW resulting in Interference, but in no
case heat in such quantities that the temperature at the POTW Treatment Plant exceeds 40°C (104°F)
unless the Division, upon request of the POTW, approves alternate temperature limits;
(6) Petroleum oil, non -biodegradable cutting oil, or products of mineral oil origin in amounts that will cause
Interference or Pass Through;
Pollutants which result in the presence of toxic gases, vapors, or fumes within the POTW in a quantity that
may cause acute worker health and safety problems; or
Any trucked or hauled pollutants, except at discharge points designated by the POTW.
All POTWs must provide adequate notice to the Director of the following [40 CFR 122.42(b)]:
1. Any new introduction of pollutants into the POTW from an indirect discharger, regardless of the means of
transport, which would be subject to section 301 or 306 of CWA if it were directly discharging those pollutants;
and
2. Any substantial change in the volume or character of pollutants being introduced by an indirect discharger as
influent to that POTW at the time of issuance of the permit.
3. For purposes of this paragraph, adequate notice shall include information on (1) the quality and quantity of effluent
introduced into the POTW, and (2) any anticipated impact that may result from the change of the quantity or
quality of effluent to be discharged from the POTW.
(3)
(5)
(7)
(8)
c. The Permittee shall investigate the source of all discharges into the POTW, including slug loads and other
unusual discharges, which have the potential to adversely impact the Permittee's Pretreatment Program and/or
the operation of the POTW.
The Permittee shall report such discharges into the POTW to the Director or the appropriate Regional Office.
Any information shall be provided orally within 24 hours from the time the Permittee became aware of the
circumstances. A written submission shall also be provided within 5 days of the time the Permittee becomes
aware of the circumstances. The written submission shall contain a description of the discharge; the
investigation into possible sources; the period of the discharge, including exact dates and times; if the
discharge has not ceased, the anticipated time it is expected to continue; and steps taken or planned to reduce,
eliminate, and prevent reoccurrence of the noncompliance,
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3. With regard to the effluent requirements listed in Part I of this permit, it may be necessary for the Permittee to
supplement the requirements of the Federal Pretreatment Standards (40 CFR, Part 403) to ensure compliance by
the Permittee with all applicable effluent limitations. Such actions by the Permittee may be necessary regarding
some or all of the industries discharging to the municipal system.
4. The Permittee shall require any Industrial User (IU) discharging to the POTW to meet Federal Pretreatment
Standards developed under Section 307(b) of the Act as amended (which includes categorical standards and
specific local limits, best management practices and narrative requirements). Prior to accepting wastewater from
any Significant Industrial User (SIU), the Permittee shall either develop and submit to the Division a new
Pretreatment Program or, as necessary, a modification of an existing Pretreatment Program, for approval as
required under section D below as well as 15A NCAC 02H .0907(a) and (b). [40 CFR 122.44(j)(2)]
5. This permit shall be modified, or alternatively, revoked and reissued, to incorporate or modify an approved POTW
Pretreatment Program or to include a compliance schedule for the development of a POTW Pretreatment Program
as required under Section 402 (b)(8) of the CWA and implementing regulations or by the requirements of the
approved State pretreatment program, as appropriate.
Section D. Pretreatment Programs
Under authority of sections 307 (b) and (c) and 402(b)(8) of the CWA and implementing regulations 40 CFR 403,
North Carolina General Statute 143-215.3(14) and implementing regulations 15A NCAC 02H .0900, and in accordance
with the approved pretreatment program, all provisions and regulations contained and referenced in the pretreatment
program submittal are an enforceable part of this permit. [40 CFR 122.44(j)(2)]
The Permittee shall operate its approved pretreatment program in accordance with Section 402(b)(8) of the CWA, 40
CFR 403, 15A NCAC 02H .0900, and the legal authorities, policies, procedures, and fmancial provisions contained in
its pretreatment program submission and Division approved modifications thereof. Such operation shall include but is
not limited to the implementation of the following conditions and requirements. Terms not defined in Part II or Part IV
of this permit are as defined in 15A NCAC 02H .0903 and 40 CFR 403.3.
1. Sewer Use Ordinance (SUO)
The Permittee shall maintain adequate legal authority to implement its approved pretreatment program. [15A
NCAC 02H .0903(b)(32), .0905 and .0906(b)(1); 40 CFR 403.8(f)(1) and 403.9(b)(1) and (2)]
2. Industrial Waste Survey (IWS)
The Permittee shall implement an IWS consisting of the survey of users of the POTW collection system or
treatment plant, as required by 40 CFR 403.8(f)(2)(i-iii) and 15A NCAC 02H .0905 [also 40 CFR 122.44(j)(1)1,
including identification of all Industrial Users that may have an impact on the POTW and the character and amount
of pollutants contributed to the POTW by these Industrial Users and identification of those Industrial Users
meeting the defmition of SIU. Where the Permittee accepts wastewater from one or more satellite POTWs, the
IWS for the Permittee shall address all satellite POTW services areas, unless the pretreatment program in those
satellite service areas is administered by a separate Permittee with an approved Pretreatment Program. The
Permittee shall submit a summary of its IWS activities to the Division at least once every five years, and as
required by the Division. The IWS submission shall include a summary of any investigations conducted under
paragraph C.2.c. of this Part. [15A NCAC 02H .0903(b)(13), .0905 and .0906(b)(2); 40 CFR 403.8(f)(2) and 403.9]
3. Monitoring Plan
The Permittee shall implement a Division -approved Monitoring Plan for the collection of facility specific data to
be used in a wastewater treatment plant Headworks Analysis (HWA) for the development of specific pretreatment
local limits. Effluent data from the Plan shall be reported on the DMRs (as required by Parts II.D and II.E.5.). [15A
NCAC 02H .0903(b)(16), .0906(b)(3) and .0905]
4. Headworks Analysis (HWA) and Local Limits
The Permittee shall obtain Division approval of a HWA at least once every five years, and as required by the
Division. Within 180 days of the effective date of this permit (or any subsequent permit modification) the
Permittee shall submit to the Division a written technical evaluation of the need to revise local limits (i.e., an
updated HWA or documentation of why one is not needed) [40 CFR 122.44]. The Permittee shall develop, in
accordance with 40 CFR 403.5(c) and 15A NCAC 02H .0909, specific Local Limits to implement the prohibitions
listed in 40 CFR 403.5(a) and (b) and 15A NCAC 02H .0909. Pursuant to 40 CFR 403.5, local limits are
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enforceable Pretreatment Standards as defined by 40 CFR 403.3(1). [15A NCAC 02H .0903(b)(10), .0905, and
.0906(b)(4)]
5. Industrial User Pretreatment Permits (IUP) & Allocation Tables
In accordance with NCGS 143-215.1, the Permittee shall issue to all Significant Industrial Users, permits for
operation of pretreatment equipment and discharge to the Permittee's collection system or treatment works. These
permits shall contain limitations, sampling protocols, reporting requirements, appropriate standard and special
conditions, and compliance schedules as necessary for the installation of treatment and control technologies to
assure that their wastewater discharge will meet all applicable pretreatment standards and requirements. The
Permittee shall maintain a current Allocation Table (AT) which summarizes the results of the HWA and the limits
from all IUPs. Permitted IUP loadings for each parameter cannot exceed the treatment capacity of the POTW as
determined by the HWA. [15A NCAC 02H .0906(b)(6), .0909, .0916, and .0917; 40 CFR 403.5, 403.8(f)(1)(iii);
NCGS 143-215.67(a)]
6. Authorization to Construct (AtC)
The Permittee shall ensure that an Authorization to Construct permit (AtC) is issued to all applicable Industrial
Users for the construction or modification of any pretreatment facility. Prior to the issuance of an AtC, the
proposed pretreatment facility and treatment process must be evaluated for its capacity to comply with all
Industrial User Pretreatment Permit (IUP) limitations. [15A NCAC 02H .0906(b)(7) and .0905; NCGS 143-
215.1(a)(8)]
7. POTW Inspection & Monitoring of their IUs
The Permittee shall conduct inspection, surveillance, and monitoring activities as described in its Division
approved pretreatment program in order to determine, independent of information supplied by Industrial Users,
compliance with applicable pretreatment standards. [15A NCAC 02H .0908(e); 40 CFR 403.8(f)(2)(v)] The
Permittee must:
a. Inspect all Significant Industrial Users (SIUs) at least once per calendar year;
b. Sample all Significant Industrial Users (SIUs) at least once per calendar year for all SIU permit -limited
parameters including flow except as allowed under 15A NCAC .0908(e); and
c. At least once per year, document an evaluation of any non -significant categorical Industrial User for
compliance with the requirements in 40 CFR 403.3(v)(2), and either continue or revoke the designation as non-
significant.
8. IU Self Monitoring and Reporting
The Permittee shall require all Industrial Users to comply with the applicable monitoring and reporting
requirements outlined in the Division -approved pretreatment program, the industry's pretreatment permit, or in 15A
NCAC 02H .0908. [15A NCAC 02H .0906(b)(5) and .0905; 40 CFR 403.8(f)(1)(v) and (2)(iii); 40 CFR
122.44(j)(2) and 40 CFR 403.12]
9. Enforcement Response Plan (ERP)
The Permittee shall enforce and obtain appropriate remedies for violations of all pretreatment standards
promulgated pursuant to section 307(b) and (c) of the CWA (40 CFR 405 et. seq.), prohibitive discharge standards
as set forth in 40 CFR 403.5 and 15A NCAC 02H .0909, specific local limitations, and other pretreatment
requirements. All remedies, enforcement actions and other, shall be consistent with the Enforcement Response
Plan (ERP) approved by the Division. [15A NCAC 02H .0903(b)(7), .0906(b)(8) and .0905; 40 CFR 403.8(0(5)]
10. Pretreatment Annual Reports (PAR)
The Permittee shall report to the Division in accordance with 15A NCAC 02H .0908. In lieu of submitting annual
reports, Modified Pretreatment Programs developed under 15A NCAC 02H .0904 (b) may be required to submit a
partial annual report or to meet with Division personnel periodically to discuss enforcement of pretreatment
requirements and other pretreatment implementation issues.
For all other active pretreatment programs, the Permittee shall submit two copies of a Pretreatment Annual Report
(PAR) describing its pretreatment activities over the previous calendar year to the Division at the following
address:
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NC DEQ / Division of Water Resources / Water Quality Permitting Section
Pretreatment, Emergency Response, and Collection Systems (PERCS) Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
These reports shall be submitted by March 1 of each year and shall contain the following:
a. Narrative
A narrative summary detailing actions taken, or proposed, by the Permittee to correct significant non-
compliance and to ensure compliance with pretreatment requirements;
b. Pretreatment Program Summary (PPS)
A pretreatment program summary (PPS) on forms or in a format provided by the Division;
c. Significant Non -Compliance Report (SNCR)
A list of Industrial Users (IUs) in significant noncompliance (SNC) with pretreatment requirements, and the
nature of the violations on forms or in a format provided by the Division;
d. Industrial Data Summary Forms (IDSF)
Monitoring data from samples collected by both the POTW and the Significant Industrial Users (SIUs). These
analytical results must be reported on Industrial Data Summary Forms (IDSF) or on other forms or in a format
provided by the Division;
e. Other Information
Copies of the POTW's allocation table, new or modified enforcement compliance schedules, public notice of
IUs in SNC, a summary of data or other information related to significant noncompliance determinations for
IUs that are not considered SIUs, and any other information, upon request, which in the opinion of the Director
is needed to determine compliance with the pretreatment implementation requirements of this permit;
11. Public Notice
The Permittee shall publish annually a list of Industrial Users (IUs) that were in significant noncompliance (SNC)
as defined in the Permittee's Division -approved Sewer Use Ordinance with applicable pretreatment requirements
and standards during the previous twelve month period. This list shall be published within four months of the
applicable twelve-month period. [15A NCAC 02H .0903(b)(34), .0908(b)(5) and .0905 and 40 CFR
403.8(f)(2)(viii)]
12. Record Keeping
The Permittee shall retain for a minimum of three years records of monitoring activities and results, along with
support information including general records, water quality records, and records of industrial impact on the
POTW and shall retain all other Pretreatment Program records as required by 15A NCAC 02H .0908(f). [15A
NCAC 02H .0908(f); 40 CFR 403.12(o)]
13. Pretreatment Program Resources
The Permittee shall maintain adequate funding and qualified personnel to accomplish the objectives of its approved
pretreatment program. and retain a written description of those current levels of inspection. [15A NCAC 02H
.0906(b)(9) and (10) and .0905; 40 CFR 403.8(f)(3), 403.9(b)(3)]
14. Modification to Pretreatment Programs
Modifications to the approved pretreatment program including but not limited to local limits modifications, POTW
monitoring of their Significant Industrial Users (SIUs), and Monitoring Plan modifications, shall be considered a
permit modification and shall be governed by 40 CFR 403.18, 15 NCAC 02H .0114 and 15A NCAC 02H .0907.
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Fact Sheet
NPDES Permit No. NC0041696
Permit Writer / Email Contact Diana Yitbarek / [e-mail]
Date: 2/22/2021
Division: North Carolina, Department of Environmental Quality, Division of Water Resources (NC
DEQ DWR) /National Pollutant Discharge Elimination System (NPDES) Municipal Permitting Unit
Fact Sheet Template: Version 01/09/2017
Permitting Action:
Renewal
❑ Renewal with Expansion
❑ New Discharge
❑ Modification (Fact Sheet should be tailored to mod request)
Note: A complete application should include the following:
• For New Dischargers, EPA Form 2A or 2D requirements, Engineering Alternatives Analysis, Fee
• For Existing Dischargers (POTW), EPA Form 2A, three effluent pollutant scans, four 2nd species WET
tests.
• For Existing Dischargers (Non-POTW), EPA Form 2C with correct analytical requirements based on
industry category.
Complete applicable sections below. If not applicable, enter NA
1. Basic Facility Information
Table 1. Facility Information
Facility Information
Applicant/Facility Name:
Town of Valdese/Lake Rhodluss Wastewater Treatment Plant (WWTP)
Applicant Address:
P.O. Box 339, Valdese NC
Facility Address:
2100 Lake Rhodhiss Drive, Valdese NC
Permitted Discharge Flow:
3 5 million gallons per day (MGD)
Facility Type/Waste:
Major Municipal/ domestic and industrial
Facility Class:
Class/Grade IV
Treatment Units:
Influent pump station, screening and grit removal structure/vortex grit
collector, primary clarifiers, aeration basins, secondary clarifiers, gravity
sludge thickener, chlorination, dechlorination/sulfur dioxide structure,
dewatering structure, and composting
Pretreatment Program (Y/N)
Y
County:
Burke
Region
Asheville Regional Office (ARO)
Permitting Action: The Town of Valdese (Town) applied for NPDES permit renewal for Lake Rhodhiss
WWTP in August 2020. The WWTP has a design capacity of 7.5 MGD and is currently authorized to
discharge 3.5 MGD into Lake Rhodhiss, a class WS-IV, B, CA waters. The class denotes use as a water
supply, primary recreation, and critical area waterbody. The Town of Valdese - Lake Rhodhiss WWTP
(Facility) serves 8,000 residents in Burke County and the Towns of Valdese, Drexel, and Rutherford. This
Facility also serves eight significant industrial users (SIUs) and two non -significant categorical industrial
users (NSCIUs) in their pretreatment program. The Town has a long-term monitoring plan (LTMP). The
SIUs include two industries subject to categorical standards. The average industrial flow discharged by
the SIUs is 1.3 MGD, or 38% of the total permitted flow of 3.5 MGD.
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August 3, 2020, Town's cover letter for renewal application explains that there are no plans for upgrades
in the near future and requests that the three tiers remain in effect (3.5, 7.5, and 10.5 MGD), as with the
last permit cycle.
Table 2. Significant Industrial Users discharging to the Valdese — Lake Rhodhiss WWTP and daily flows.
Industry
Description
SIU Daily Flow (gpd)
Valdese Water Recycling, LLC
40 CFR 437.47 Part D/
Centralized waste treatment
facility
10,100 to 30,000
By Design, LLC
40 CFR 433/ Metal finisher
500
Kleen Tech, Inc
SIC Codes 7218, 812332,
313312/ Industrial laundry
66,000
Valdese Weavers #1
SIC Code 2262/ Dyes, slashes,
and weaves upholstery fabric
285,000
Valdese Weavers #2
SIC Code 2262/ Dyes, slashes,
and weaves upholstery fabric
285,000
Valdese Weavers #3
SIC Code 2262/ Dyes, slashes,
and weaves upholstery fabric
46,000
Bimbo Bakeries USA
SIC Code 2051/ Manufactures
breads and buns
13,000
Meridian Specialty Yam Group
SIC Codes 2281, 2269/ Dyes
natural and synthetic yams
620,000
Valdese Water Recycling, LLC (VWR) started discharging to this facility in 2018. VWR is a centralized
waste treatment facility that operates under subcategory D, facility that treats or recovers some
combination of metal -bearing, oily, or organic waste, wastewater, or used material received from off -site.
Valdese Weavers #1, #2, and #3 is a large fabric industry that contributes about 616,000 gpd and has
operated since 1915. We suggest the pretreatment program verifies the usage of perfluorinated
compounds in this process. For information about the pretreatment activities for this facility, see
Attachment PT summary.
Facility Background: In 2001, the Division added an effluent limitation and monitoring page with a
higher flow of 10.5 MGD based on the Town's request for expansion. The Construction Grants and Loans
Section stipulated the areas that must increase capacity and upgrade before the WWTP can expand to 10.5
MGD. In 2011, the Town requested an additional effluent limitation and monitoring page with a lower
flow of 3.5 MGD due to reduced wastewater flow to the Facility. At the present time this fact sheet
assessment is based on a wastewater plant flow of 3.5 MGD.
2. Receiving Waterbody Information:
Table 3. Receiving Waterbodv Information
Outfalls/Receiving Stream(s):
Outfall 001 — Lake Rhodhiss (Catawba River)
Stream Segment:
Upper Catawba 11-(37)
Stream Classification:
WS-IV, B, CA
Drainage Area (mi2):
705
Summer 7Q10 (cfs)
225*
Winter 7Q10 (cfs):
225 (Dam Release)*
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30Q2 (cfs):
225 (Dam Release)*
Average Flow (cfs):
225 (Dam Release)*
Instream Waste Concentration
(IWC) (% effluent):
2.4 % at 3.5 MGD (7Q10S)
4.9 % at 7.5 MGD (7Q10S)
6.7 % at 10.5 MGD (7Q10S)
303(d) listed/parameter:
No
Subject to TMDL/parameter:
Yes- Mercury Statewide TMDL implemented in 2012.
Basin/Sub-basin/HUC:
CTB31/03-08-31/03050101
USGS Topo Quad:
D12SE/ Valdese, NC
* Value taken from previous fact sheet, 2015. 2000 to 2011 fact sheets used a similar value, 228.7.
3. Effluent Data Summary
Effluent data for Outfall 001 is summarized below from May 2016 through August 2020.
Table 4. Effluent Data Summary with permit limits Outfall 001
Parameter
Units
Average
Max
Min
Permit Limit
Flow
MGD
1.85
14.73
0.29
MA* 3.5 MGD
BOD5
mg/1
4.2
208
0.079
MA 30.0 mg/I
WA* 45.0 mg/I
NH3N
mg/1
0.62
5.5
0.34
Total Suspended
Solids (TSS)
mg/1
14.3
3184
2.50
MA 30.0 mg/I
WA 45.0 mg/I
pH
SU
6.9
9.3
5.8
6.0<pH<9.0
Temperature
°C
20.5
29
8
Conductivity
umhos/cm
905
49600
139
Dissolved Oxygen
(DO)
mg/17.9
11.7
5.0
DA*> 5.0 mg/I
Fecal Coliform
#/100 ml
7.1
(Geomean)
61600
1
MA 200/100m1
WA 400/100m1
Total Residual
Chlorine (TRC)
µgn
28
49
19
DM* 28.00 µg/I
Total Nitrogen (TN)
mg/1
8.8
21.1
2.4
Total Phosphorus
(TP)
mg/1
1.4
17.6
0.17
Total Hardness (as
CaCO3)
mg/123.3
43.7
11.1
*MA -Monthly Average, WA -Weekly Average, DM -Daily Maximum, DA=Daily Average.
Table 5. Effluent Data Summary from expanded effluent pollutant scan Outfall 001
Parameter
Units
Average
Max
Min
Chloride (as Cl)
mg/1
204
245
163
Sulfate
mg/1
41.57
117
0.049
Phenol
mg/1
0.008
0.010
0.005
Chromium
µg/1
4.6
31.0
1.0
Copper
µg/1
8.52
26
1
Magnesium
µg/1
2390
2390
2390
Mercury
ng/1
2.74
7.56
1.11
Page 3 of 14

Molybdenum
µg/1
2.4
10.0
1.0
Nickel
µg/1
2.2
10.0
1.0
Zinc
µg/1
75.7
374
1
Sample results for antimony, arsenic, cadmium, cobalt, cyanide, lead, selenium, silver, tin, titanium, and
vanadium were less than the method detection limit. Variances in chromium total and sulfate were detected. The
average result for chromium total from 2016 to 2019 was 1.03. The average result for chromium total in 2020 is
17.3. The average result in 2016 for sulfate was 0.074. The average for sulfate from 2017 to 2019 was 96.9.
17.3 for chromium total and 96.9 for sulfate is within the allowed concentration and currently accepted water
quality standards; however, these variances are noted for the pretreatment program, regional office, and upcoming
permitting cycle to evaluate industrial waste flow changes and monitoring requirements for this Facility.
4. Instream Data Summary
Instream monitoring may be required in certain situations, for example, 1) to verify model predictions
when model results for instream DO are within 1 mg/1 of instream standard at full permitted flow; 2) to
verify model predictions for outfall diffuser; 3) to provide data for future total maximum daily load
(TMDL); 4) based on other instream concerns. Instream monitoring may be conducted by the Permittee,
and there are also Monitoring Coalitions established in several basins that conduct instream sampling for
the Permittee (in which case instream monitoring is waived in the permit as long as coalition membership
is maintained).
Instream data summary and instream monitoring proposed for this permit action:
The current permit requires instream [upstream (U) and downstream (D)] monitoring for dissolved
oxygen, conductivity, and temperature. U monitoring is required for total hardness.
Table 6. U and D samnlin points information
Location
Longitude
Latitude
U sampling point at Water Plant
81°
33'
34"
35°
46'
38"
Pump House - (- 0.97 miles West
of WWTP)
D sampling point at NCSR 1001
81°
31'
27"
35°
46'
54"
Castle Bridge Boat Access - (- 1.07
miles East of WWTP)
The table below summarizes instream and effluent (Eff) data from the analyzed period, May 2016 -
August 2020.
Table 7. Average, maximum, and minimum instream and effluent data summary
Average of Value
Max of Value
Min of Value
Parameter
U
Eff
D
U
Eff
D
U
Eff
D
Temperature, °C
22
20.5
22.1
31
29
31
7
8
6
Conductivity, umhos/cm
56.7
905.1
48.3
1804
49600.0*
91
31
126
24
Dissolved Oxygen (DO), mg/1
9.5
7.8
9.7
11.4
11.7
11.5
7.2
5
6.7
pH
8.2
6.9
8.2
9.3
9.3
9.1
7.2
5.8
7.3
Total Hardness (as CaCO3),
mg/1
11.1
23.3
14.8
43.7
6.8
11.1
*Effluent was murky due to rainfall and heavier flows at plant. Subsequent daily conductivity readings revealed typical effluent
numbers.
Page 4 of 14

T-tests were run to analyze relationships between instream sample results. A statistically significant
difference is determined when the t-test p-value result is < 0.05.
Temperature: The maximum downstream temperature was 31 degrees Celsius, and the maximum
temperature differential between the upstream and downstream samples was 5 degrees Celsius. It was
concluded that there is no statistically significant difference between the upstream and downstream
temperatures.
Conductivity: As a major Facility with industrial sources, instream monitoring for conductivity was
added in the last permit cycle. The variances in downstream and upstream conductivity were large.
However, since a one-time event caused this variance, the t-test concluded no statistically significant
difference between upstream and downstream conductivity.
DO: The minimum downstream DO detected was 6.7 mg/1, and the maximum DO differential between
the upstream and downstream samples was 2.5 mg/1. It was concluded that there is a statistically
significant difference between upstream and downstream DO
DO sampling points are located on the riverbank (upstream site/intake pump house) and from a boat
access point (Castle Bridge/cove area). During the public notice period, the Superintendent clarified that
the data collected is not mid -channel of the river and subject to any number of circumstances that could
affect data results (i.e., shallow water, warming, boat traffic, turbulence, etc.) and these sites provide the
safest access and distance from POTW for sampling.
pH: As noted in the table above, pH was above 9.0 for both upstream and downstream samples and was
not detected below 6.0 for any of the instream data collected. The pH data was reported from December
2016 to January 2018. The current permit does not have instream monitoring requirements for pH. It was
concluded that there is no statistically significant difference between upstream and downstream pH.
For this permit application renewal, the Permittee requested the removal of instream monitoring. The
Division cannot remove instream monitoring requirements. The instream data is needed to assess instream
conditions prior to and subsequent to the wastewater discharge, and basin planers use the data for
different pollution management planning (15A. NCAC 02B.5081. The next Catawba Basin plan will start
in 2022, and it will be in the interest of Basin Planning to have instream data. The permit maintains the
instream monitoring requirements from the previous permit.
Is this facility a member of a Monitoring Coalition with waived instream monitoring (Y/N): NO. See Map
Name of Monitoring Coalition: NA
5. Compliance Summary
Below find summaries of compliance data from May 2016 to August 2020.
Compliance record with permit effluent limits (past 5 years):
The Facility received a total of ten notices of violation (NOVs) for exceeding limits for TSS, fecal
coliform, BOD5, and pH, and permit conditions violation for failure to maintain the composite sampling
time. The Facility also received ten enforcement cases for exceeding limits for TSS and fecal coliform.
The ARO, Linda Wiggs, is working with the Facility to monitor the Facility's compliance performance.
Below find the compliance summary according to the DMR data.
Monthly Average (M.A.) Compliance Summary
• TSS, MA was exceeded in five periods (2/2017, 4/2017, 10/2017, 2/2020, and 5/2020).
Maximum MA exceedance was February 2020 with 167,33 mg/1. (MA limit: 30 mg/1).
Page 5 of 14

• Fecal, MA was exceeded in five periods (11/2016, 1/2017, 2/2017, 4/2018, and 3/2019).
Maximum MA exceedance was February 2017 with 4794#/100 ml. (M.A. limit: 200#/I00m1)
• BOD5 was detected at 208 mg/1 on 2/7/2020.
• pH was detected over the daily maximum seven times, with a max of 9.6, and have not reached
the daily minimum three times, with a min of 5.0.
Weekly Average (W.A.) Compliance Summary
• TSS, WA was exceeded in eight weekly periods (five periods in 2017, one in 2018, and two in
2020). See Attachment 41696 DMR.xlsx for details.
• Fecal, WA was exceeded in nine periods (one period in 2016, four in 2017, three in 2019, and one
in 2020)
• BOD5, WA was exceeded in one period in 2020.
Summary of the compliance record with aquatic toxicity test limits and any second species test results
(past 5 years):
None indicated. The Facility passed fourteen of fourteen quarterly chronic toxicity tests and complied
with all four 2nd species WET tests.
Summary of the results from the most recent compliance inspection:
The last facility inspection conducted in July 2020 reported that the facility was in compliance with the
permit, and the items in previous inspection reports had been addressed.
The February 2019 inspection noted wastewater splashing beyond the aeration basins walls in several
locations. The previously installed splash guards were no longer effective. The March 2015 inspection
also noted this was also occurring. After the February 2019 inspection, additional splash guards were
added to the areas of question, with the addition of rubber insulation and sealant applied to seams and
seeping points.
6. Water Quality -Based Effluent Limitations (WQBELs)
Dilution and Mixing Zones
In accordance with 15A NCAC 2B.0206, the following stream flows are used for dilution considerations
for development of WQBELs: 1Q10 streamflow (acute Aquatic Life); 7Q10 streamflow (chronic Aquatic
Life; non -carcinogen H.H.); 30Q2 streamflow (aesthetics); annual average flow (carcinogen, H.H.).
If applicable, describe any other dilution factors considered (e.g., based on CORMIX model results): NA
If applicable, describe any mixing zones established in accordance with 15A NCAC 2B. 0204(b): NA
Stream flow values were extracted from the previous fact sheet, 2015. There is not currently available
data reported by USGS.
Oxygen -Consuming Waste Limitations
Limitations for oxygen -consuming waste (e.g., BOD) are generally based on water quality modeling to
ensure protection of the instream dissolved oxygen (DO) water quality standard. Secondary TBEL limits
(e.g., BOD= 30 mg/1 for Municipals) may be appropriate if deemed more stringent based on dilution and
model results.
If permit limits are more stringent than TBELs, describe how limits were developed:
The current permit limits for BOD are secondary TBELs and are based on 40 CFR 133.102.
Page 6 of 14

Ammonia and Total Residual Chlorine Limitations
Limitations for ammonia are based on protection of aquatic life utilizing an ammonia chronic criterion of
1.0 mg/1 (summer) and 1.8 mg/1 (winter). Acute ammonia limits are derived from chronic criteria,
utilizing a multiplication factor of 3 for Municipals and a multiplication factor of 5 for Non -Municipals.
Limitations for Total Residual Chlorine (TRC) are based on the N.C. water quality standard for protection
of aquatic life (17 ug/1) and capped at 28 ug/1 (acute impacts). Due to analytical issues, all TRC values
reported below 50 ug/1 are considered compliant with their permit limit.
Describe any proposed changes to ammonia and/or TRC limits for this permit renewal: The current
permit does not set limits for ammonia for the 3.5 MGD flow tier. It sets limits for the 7.5 and 10.5 MGD
flow tiers. For the 3.5 MGD flow tier, the calculated allowable discharge concentration for ammonia in
summer is 33.4 mg/1 and in winter is 67.3 mg/l. None of the ammonia results from the evaluated period
exceeded 35 mg/l. The maximum value of ammonia reported was 5.52 mg/1; therefore, there is no need to
set a 33.4 mg/1 limit for the 3.5 MGD flow tier. For the 7.5 and 10.5 MGD flow tiers, the ammonia limits
will be the same as the previous permit cycle.
The facility uses chlorination as its primary disinfection. The current permit limits TRC at 28 ug/L as a
daily maximum. Though several reported TRC values exceeded the 28 ug/L daily maximum limit, the
facility is considered compliant with its permit since all reported values were less than 50 ug/L. The TRC
limit has been reviewed in the attached WLA and has been found to be protective. No changes are
proposed for TRC.
Reasonable Potential Analysis (RPA) for Toxicants
The need for toxicant limits is based upon a demonstration of reasonable potential to exceed water quality
standards, a statistical evaluation that is conducted during every permit renewal utilizing the most recent
effluent data for each outfall. The RPA is conducted in accordance with 40 CFR 122.44 (d) (i). The NC
RPA procedure utilizes the following: 1) 95% Confidence Level/95% Probability; 2) assumption of zero
background; 3) use of Y2 detection limit for "less than" values; and 4) stream flows used for dilution
consideration based on 15A NCAC 2B.0206. Effective April 6, 2016, N.C. began implementation of
dissolved metals criteria in the RPA process in accordance with guidance titled NPDES Implementation of
Instream Dissolved Metals Standards, dated June 10, 2016.
The RPAs were conducted for permitted flows of 3.5 MGD, 7.5 MGD, and 10.5 MGD with a 7Q10S of
225 cubic feet per second (cfs) and default hardness values.
The results of the RPA showed that the facility does not require any additional toxicant limitations.
The answers below are based on the RPA. Pollutants of concern included toxicants with positive
detections and defined water quality standards/EPA criteria and BPJ. Based on these analyses, the
following permitting actions are proposed for this permit:
RPAs were conducted on effluent toxicant data collected in the Permittee's May 2016 through August
2020 effluent pollutant scans, DMRs, former reasonable potential analysis (RPA), and an additional
effluent scan provided by the ARO. Pollutants of concern included toxicants with positive detections and
associated water quality standards/criteria. The data set was limited for total phenolic compounds and
sulfate. Based on this analysis, the following permitting actions are proposed for this permit:
Page 7 of 14

• Effluent Limit with Monitoring. The following parameters will receive a water quality -based
effluent limit (WQBEL) since they demonstrated a reasonable potential to exceed applicable
water quality standards/criteria: NA
• Monitoring Only. The following parameters will receive a monitor -only requirement since they
did not demonstrate reasonable potential to exceed applicable water quality standards/criteria,
but the maximum predicted concentration was >50% of the allowable concentration: NA
• No Limit or Monitoring: The following parameters will not receive a limit or monitoring, since
they did not demonstrate reasonable potential to exceed applicable water quality
standards/criteria and the maximum predicted concentration was <50% of the allowable
concentration: Antimony, Arsenic, Cadmium, Cobalt, Copper, Cyanide, Lead, Magnesium,
Mercury, Molybdenum, Nickel, Selenium, Silver, Sulfates, Tin, Titanium, Vanadium, Zinc, and
Total Phenolic Compounds. These compounds will be monitored in the pretreatment program
during this permit cycle.
• POTW Effluent Pollutant Scan Review: Four effluent pollutant scans were evaluated for
additional pollutants of concern.
o The following parameter(s) will receive a water quality -based effluent limit (WQBEL)
with monitoring, since as part of a limited data set, two samples exceeded the allowable
discharge concentration: NA
o The following parameter(s) will receive a monitor -only requirement, since as part of a
limited data set, one sample exceeded the allowable discharge concentration: NA
If applicable, attach a spreadsheet of the RPA results as well as a copy of the Dissolved Metals
Implementation Fact Sheet for freshwater/saltwater to this Fact Sheet. Include a printout of the RPA
Dissolved to Total Metal Calculator sheet if this is a Municipality with a Pretreatment Program.
Documents included in package.
Toxicity Testing Limitations
Permit limits and monitoring requirements for Whole Effluent Toxicity (WET) have been established in
accordance with Division guidance (per WET Memo, 8/2/1999). Per WET guidance, all NPDES permits
issued to Major facilities or any facility discharging "complex" wastewater (contains anything other than
domestic waste) will contain appropriate WET limits and monitoring requirements, with several
exceptions. The State has received prior EPA approval to use an Alternative WET Test Procedure in
NPDES permits, using single concentration screening tests, with multiple dilution follow-up upon a test
failure.
Describe proposed toxicity test requirement: This is a Major Publicly Owned Treatment Work (POTW),
and a chronic WET limit will continue on a quarterly frequency at Outfall 001 at 2.4% effluent
concentration using Ceriodaphnia dubia. For 7.5 MGD and 10.5 MGD flows, a quarterly chronic WET
limit would apply at 4.9 % and 6.7 % effluent concentration, respectively, using Ceriodaphnia dubia.
Mercury Statewide Total Maximum Daily Load (TMDL) Evaluation
There is a statewide TMDL for mercury approved by EPA in 2012. The TMDL target was to comply
with EPA's mercury fish tissue criteria (0.3 mg/kg) for human health protection. The TMDL established a
wasteload allocation for point sources of 37 kg/year (81 lb/year) and is applicable to municipals and
industrial facilities with known mercury discharges. Given the small contribution of mercury from point
sources (-2% of total load), the TMDL emphasizes mercury minimization plans (M1VIPs) for point source
control. Municipal facilities > 2 MGD and discharging quantifiable levels of mercury (>1 ng/1) will
receive an MMP requirement. Industrials are evaluated on a case -by -case basis, depending if mercury is a
pollutant of concern. Effluent limits may also be added if annual average effluent concentrations exceed
Page 8 of 14

the WQBEL value (based on the NC WQS of 12 ng/1) and/or if any individual value exceeds a TBEL
value of 47 ng/1
Below find summaries of compliance mercury data from February 2017 to August 2020.
Table 8. Mercury Effluent Data Summary — 3.5 MC'
2017
2018
2019
2020
# of Samples
5
—
5
a
Annual Average, ngfL
3.8
3 3
2.3
_ L6
Maximum Value, ng/L
5.25
7 56
3.54
1 99
TBEL, ngfL
47
WOBEL, ngfL
509.7
Table 9. Mercury Effluent Data Summary — 7.5 MGD
2017
21_8
21_9
2020
#of Samples
5
-
5
4
Annual Average, ng/L
3.8
3 3
2 3
1.46
Maximum Value, ngfL
5.25
7 56
3,54
1.99
TBEL, ngfL
47
WQBEL,ng/L
244.3
Table 10. Mercury Effluent Data Summary — 10.5 MGD
2017
2018
2019
202C
#of Samples
5
4
5
4
Annual Average, ng/L
3.8
3.3
2,3
1.46
Maximum Value, ng/L
5.25
7.56
3,54
1.99
TBEL, ng/L
47
WQBEL, ng/L
177.9
Describe proposed permit actions based on mercury evaluation: Mercury evaluation results were
available and used 1631E. No annual average mercury concentration exceeded the WQBEL, and no
individual mercury sample exceeded the TBEL. The maximum value reported in this period was 7.56
ng/1. No mercury limit is required. However, since the facility is >2 MGD and reported quantifiable levels
of mercury (> 1 ng/1), a mercury minimization plan (MMP) was added to this permit in the last permit
cycle and will continue in this permit cycle. See 2018 MMP
Other TMDL/Nutrient Management Strategy Considerations
If applicable, describe any other TMDLs/Nutrient Management Strategies and their implementation
within this permit:
Lake Rhodhiss was listed in 303d list for high pH beginning in 2006 and removed from it in 2014 and
dropped plans for the nutrient TMDL, as it was no longer impaired. Due to lower pH and algal growth in
the lake, the Division decided to change nutrient monitoring frequencies from weekly to monthly and
eliminate instream monitoring requirements for four facilities (Marion, Morganton, Lenoir, and Valdese)
discharging to Lake Rhodhiss. The permit reflects the monthly nutrient (T.P. and T.N.; TKN + NO3-N +
NO2-N) monitoring for 3.5 MGD, 7.5 MGD, and 10.5 MGD flows.
Page 9 of 14

The permit also reflects annual nutrient (T.N. and T.P. loads) monitoring for the 7.5 MGD and 10.5 MGD
flow tiers. Since the Facility is currently operating at a flow limit of 3.5 MGD and there is no proposal to
increase to 7.5 MGD or 10.5 MGD, the annual load T.N. and T.P. limits were added for the 7.5 MGD
flow tier. The Division will consider a flow increase for this facility as an expansion; therefore, the annual
T.N. and T.P. load limit calculated for 10.5 MGD is set for 7.5 MGD until a final nutrient TMDL for the
Catawba River Basin is concluded. Mass load limits were calculated in 2009 based on the Point Source
Action Plan and EPA recommendations, using the 2007-2009 average discharge flows, nutrient
concentrations.
Other WQBEL Considerations
If applicable, describe any other parameters of concern evaluated for WQBELs: NA
If applicable, describe any special actions (HQW or OR W) this receiving stream and classification shall
comply with in order to protect the designated waterbody: NA
If applicable, describe any compliance schedules proposed for this permit renewal in accordance with
15A NCAC 2H.0107(c)(2)(B), 40CFR 122.47, and EPA May 2007 Memo: NA
If applicable, describe any water quality standards variances proposed in accordance with NCGS 143-
215.3 (e) and 15A NCAC 2B. 0226 for this permit renewal: NA
7. Technology -Based Effluent Limitations (TBELs)
Municipals (if not applicable, delete and skip to Industrials)
Are concentration limits in the permit at least as stringent as secondary treatment requirements (30 mg/l
BOD5/TSS for Monthly Average, and 45 mg/l for BOD5/TSS for Weekly Average). YES
If NO, provide a justification for alternative limitations (e.g., waste stabilization pond). NA
Are 85% removal requirements for BOD5/TSS included in the permit? YES
If NO, provide a justification (e.g., waste stabilization pond). NA
8. Antidegradation Review (New/Expanding Discharge)
The objective of an antidegradation review is to ensure that a new or increased pollutant loading will not
degrade water quality. Permitting actions for new or expanding discharges require an antidegradation
review in accordance with 15A NCAC 2B.0201. Each applicant for a new/expanding NPDES permit
must document an effort to consider non -discharge alternatives per 15A NCAC 2H.0105( c)(2). In all
cases, existing instream water uses and the level of water quality necessary to protect the existing use is
maintained and protected.
If applicable, describe the results of the antidegradation review, including the Engineering Alternatives
Analysis (EAA) and any water quality modeling results: NA
9. Antibacksliding Review
Sections 402(o)(2) and 303(d)(4) of the CWA and federal regulations at 40 CFR 122.44(1) prohibit
backsliding of effluent limitations in NPDES permits. These provisions require effluent limitations in a
reissued permit to be as stringent as those in the previous permit, with some exceptions where limitations
may be relaxed (e.g., based on new information, increases in production may warrant less stringent TBEL
limits, or WQBELs may be less stringent based on updated RPA or dilution).
Page 10 of 14

Are any effluent limitations less stringent than previous permit (YES/NO): NO
If YES, confirm that antibacksliding provisions are not violated: NA
10. Monitoring Requirements
Monitoring frequencies for NPDES permitting are established in accordance with the following
regulations and guidance: 1) State Regulation for Surface Water Monitoring, 15A NCAC 2B.0500; 2)
NPDES Guidance, Monitoring Frequency for Toxic Substances (7/15/2010 Memo); 3) NPDES Guidance,
Reduced Monitoring Frequencies for Facilities with Superior Compliance (10/22/2012 Memo); 4) Best
Professional Judgement (BPJ). Per US EPA (Interim Guidance, 1996), monitoring requirements are not
considered effluent limitations under Section 402(o) of the Clean Water Act, and therefore anti -
backsliding prohibitions would not be triggered by reductions in monitoring frequencies.
With this permit renewal, the Town requested to reduce the monitoring frequency of ammonia from daily
to weekly. Data was reviewed from May 2016 - August 2020 and compared against the criteria
established in the October 12, 2012, DWQ Guidance Regarding the Reduction of Monitoring Frequencies
in NPDES Permits for Exceptionally Performing Facilities. The compliance facility's compliance report
does not meet the approval criteria for monitoring reduction. The Division will maintain the daily
monitoring frequency requirements for BOD5, total suspended solids, ammonia, dissolved oxygen,
temperature, conductivity, pH, total residual chlorine, and fecal coliform.
Additionally, the Permittee requested the removal of instream monitoring. The Division cannot remove
instream monitoring requirements according to 15A. NCAC 02B.508. The permit maintains the same
instream monitoring requirements as the current permit.
For instream monitoring, refer to Section 4.
11. Electronic Reporting Requirements
The US EPA NPDES Electronic Reporting Rule was finalized on December 21, 2015. Effective
December 21, 2016, NPDES regulated facilities are required to submit Discharge Monitoring Reports
(DMRs) electronically. While NPDES regulated facilities would initially be required to submit additional
NPDES reports electronically effective December 21, 2020, EPA is proposing to extend this deadline
from December 21, 2020, to December 21, 2025. This permit contains the requirements for electronic
reporting, consistent with Federal requirements. The current compliance date will be extended if the
implementation date is extended as a final regulation change in the federal register.
12.Summary of Proposed Permitting Actions
Table 11. Current Permit Conditions and Proposed Changes for 3.5 MGD, 7.5 MGD,
and 10.5 MGD
Parameter
Current Permit
Proposed Change
Basis for Condition/Change
Flow
MA 3.5 MGD,
7.5 MGD and 10.5
MGD
No changes
15A NCAC 2B .0505
Total Monthly Flow
(TMF)
Monitor and report
continuously for 10.5
MGD
Added TMF
requirement for 7.5
MGD
For calculation of T.N. and T.P.
Loads
BOD5
For 3.5 and 7.5 MGD
MA 30.0 mg/1
WA 45.0 mg/1
For 10.5 MGD
No changes
TBEL. Secondary treatment
standards/40 CFR 133 / 15A NCAC
2B .0406.
Page 11 of 14

MA 15.0 mg/1
WA 22.5 mg/1
WQBEL. Based on speculative
limits of 1998 calculated using BPJ.
(for 10.5 MGD)
NH3-N
For 3.5, monitoring only.
For 7.5 MGD
MA 16.0 mg/1
WA 35.0 mg/1
10.5 MGD
MA 4.0 mg/1
WA 12.0 mg/1
No changes
WQBEL based on WLA
calculations for 3.5 and 7.5 MGD
Limits for 10.5 MGD flow are based
on speculative limits of 2008
calculated using BPJ
15A NCAC 2B .0500 — Surface
Water Monitoring: Reporting
TSS
MA 30 mg/1
WA 45 mg/1
For 3.5, 7.5, and 10.5
MGD (All Flows).
No changes
TBEL. Secondary treatment
standards/40 CFR 133 / 15A NCAC
2B .0406.
DO
Monitor and report daily
for effluent and instream
for All Flows**
No changes
No change in instream monitoring
WQBEL. State WQ standard, 15A
NCAC 2B .0200, 15A NCAC
2B.0500
Fecal coliform
(Geometric Mean)
MA 200 /100m1
WA 400 /100m1
for All flows
No changes
WQBEL. State W.Q. standard, 15A
NCAC 2B .0200.
pH
6 — 9 S.U.
for All Flows
No changes
WQBEL. State W.Q. standard, 15A
NCAC 2B .0200
Temperature
Monitor and report daily
for effluent and instream
for All Flows
No changes
15A NCAC 2B.0200 and 15A
NCAC 2B.0500
Conductivity
Monitor and report daily
for effluent and instream
for All Flows
No changes
The facility has industrial
dischargers and pretreatment
program 15A NCAC 2B.0500
TRC
DM 28.0 gg/1
for All Flows
No changes
WQBEL. Maximum daily limit to
protect acute toxicity
Total Nitrogen (TN)
Monitor and report
monthly
for All Flows
No changes
15A NCAC 2B .0500 — Surface
Water Monitoring and Reporting.
TN Load
Monitor and report
annually (as lb/yr) for
10.5 MGD
Maintained the load
for 10.5 MGD and
added annual T.N.
Recommended by the U.S.
Environmental Protection Agency
(EPA)', that the current loading of
total nitrogen discharged be frozen
1 Because of the impaired status of Lake Rhodhiss, it has been recommended by the US Environmental
Protection Agency, that the current loading of total nitrogen and total phosphorus discharged be frozen upon
expansion to the flow of 10.5 MGD. Therefore, based on calculations using the 2007 - 2009 average discharge
flows and nutrient concentrations, nitrogen and phosphorus mass limitations have been placed in the 10.5 MGD
effluent page for the Valdese -Lake Rhodhiss WWTP. This strategy would cap the nutrient inputs from the potential
expansion of Valdese discharge and other expanding discharges to Lake Rhodhiss until the TMDL is fully
developed. At 10.5 MGD, the total nitrogen mass load limit will be 146,659 lbs/year and the total phosphorus
mass load limit will be 33,200 lbs/year. (2011 Fact Sheet)
Page 12 of 14

Annual TN mass limit
of 146,659 lb/yr for 7.5
and 10.5 MGD
load limit for 7.5
MGD
upon expansion to the flow of 10.5
MGD. Mass load limits were
calculated in 2009, using the 2007-
2009 average discharge flows,
nutrient concentrations.
Since there are no plans for
expansion to 10.5 MGD, in the near
future, the annual T.N. load limit
calculated for 10.5 MGD is set for
7.5 MGD until a final TMDL for the
Catawba River Basin is concluded.
Total Phosphorus
(TP)
Monitor and report
monthly
for All Flows
No changes
15A NCAC 2B .0500 — Surface
Water Monitoring and Reporting.
TP Load
Monitor and report
monthly
(as lb/yr) for 10.5 MGD
and 7.5 MGD
Annual T.P. mass limit
of 33,200 lb/yr
Maintained the load
for 10.5 MGD and
added annual T.P.
load limit for 7.5
MGD
Recommended by the US EPA, that
the current loading of total
phosphorous discharged be frozen
upon expansion to the flow of 10.5
MGD. Mass load limits were
calculated in 2009 based on the
Point Source Action Plan, using the
2007-2009 average discharge flows
and nutrient concentrations.
Since there are no plans for
expansion to 10.5 MGD, in the near
future, the annual T.N. load limit
calculated for 10.5 MGD is set for
7.5 MGD until a final TMDL for the
Catawba River Basin is concluded.
TKN
Monthly monitoring for
10.5 MGD
No changes
Lake Rhoddis was delisted from
303d.
NO2 + NO3
Monthly monitoring for
10.5 MGD
No changes
Lake Rhoddis was delisted from
303d.
Total Hardness
Quarterly monitoring
upstream and in effluent
for All Flows
No changes
Hardness -dependent dissolved
metals water quality standards
approved in 2016; facility with
pretreatment program
Toxicity Test
Chronic limit, 2.4%
effluent for 3.5 MGD,
4.9 % for 7.5 MGD
6.7 % for 10.5 MGD
No changes
WQBEL. No toxics in toxic
amounts. 15A NCAC 2B.0200 and
15A NCAC 2B.0500
Effluent Pollutant
Scan
Three times per permit
cycle for All flows
No changes. Next
scans must be
performed in each of
the following years:
2023, 2024, and
2025.
40 CFR 122
Page 13 of 14

Mercury
Minimization Plan
(MMP)
MMP
for All Flows
No changes
Consistent with EPA approved 2012
Statewide Mercury TMDL
Implementation.
Electronic
Reporting
Electronic reporting
special condition
for All Flows
Added language for
new electronic
reporting deadline
December 21, 2025
In accordance with EPA Electronic
Reporting Rule 2015 and Rule -
Phase 2 Extension
* M.A. - Monthly Average, WA — Weekly Average, D.M. — Daily Max
**All Flows = 3.5, 7.5, and 10.5 MGD
13. Public Notice Schedule
Permit to Public Notice: December 22, 2020
Per 15A NCAC 2H .0109 & .0111, The Division will receive comments for a period of 30 days following
the publication date of the public notice. Any request for a public hearing shall be submitted to the
Director within the 30 days comment period indicating the interest of the party filing such request and the
reasons why a hearing is warranted.
14. Fact Sheet Addendum (if applicable)
Were there any changes made since the Permit was public noticed (Yes/No): Yes
If Yes, list changes and their basis below:
• The permit expiration date was updated to February 28, 2026, to account for five years since the
issuance.
15. Fact Sheet Attachments (upon request):
1. RPAs Spreadsheets Summary for 3.5, 7.5 and 10.5 MGD. Each sheet contains: input information
tab, data analyzed tab, results summary tab, and dissolve to total metals calculation tab.
2. BOD and TSS Removal Rate calculations
3. Data Summary for Reduced NPDES Permit Monitoring Reduction Frequency Assessment
4. NH3/TRC/Fecal Waste Load Allocation (WLA) Spreadsheet
5. Mercury TMDL Calculations
6. Toxicity Summary/WET testing
7. Instream data summary and ttest
8. Pretreatment Summary
9. Limit violations summary and compliance facility report from ECHO
10. Renewal Application
11. Renewal Application Addendums
o Signed Effluent Pollutant Scans
o Process Flow
12. Correspondence
13. Additional information - ARO effluent scan
14. NPDES Implementation of Instream Dissolved Metals Standards — Freshwater Standards
15. Permittee/Public Comments and Division Responses
16. Public Water Supply (PWS) memo
17. Affidavit
Page 14 of 14

Metal Translators
/95% Confidence Usi
95% Probabilit
Na
F res hwate
MAXIMUM DATA POINTS = 58
REQUIRED DATA ENTRY
Table 2. Parameters of Concern
Project Information
G)
-171
J
c
d
N
7
O
L
U
0
C3
N
E
CHECK IF HQW OR ORW WQS
J_
rn
J_
rn
J_
rn
J
a)
7
—I
0)
E
J
o)
7
J_
o)
7
J
a)
7
J_
a)
1
J_
a)
1
J
a)
7
J_
o)
7
J
o)
7
J_
a)
7
J_
DI
C
J
o)
7
J_
a)
1
J_
a)
1
J_
o)
7
J
o)
7
J_
a)
7
J
rn
E
O
r
LO
O
340
Q
Z
LO
(5)
3.2396
905.0818
co
<
Z
10.4720
N
N
75.4871
N-
CO
(9
Sri
co
co
Q
Z
co
0.2964
125.7052
u_
u)
=
2
LL
LL
>
>
Q
Q
LL
LL
LL
LL
LL
LL
LL
u
>
>
u
>
>
LL
LL
u
150
10
CO
0.5899
250
r
300
117.7325
r
ZLO
7.8806
co
a-O
2.9416
co
N
N-
CO
25.0000
O
co
CO
a-
U
U
0
ZZZZZZZZZZZZZZZZZZZZ
0
0
U
U
U
0
0
0
0
U
0
0
U
0
0
U
0
U
U
Aquactic Life
Human Health
Water Supply
Aquatic Life
Aquatic Life
Water Supply
Water Supply
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Water Supply
Aquatic Life
Water Supply
Aquatic Life
Aquatic Life
Aquatic Life
Water Supply
Arsenic
Arsenic
E
Q)
m
Cadmium
U
'O
t
0
Chlorinated Phenolic Compounds
Total Phenolic Compounds
Chromium III
Chromium VI
Chromium, Total
Copper
Cyanide
Fluoride
Lead
Mercury
E
C
>
0
M
Nickel
Nickel
E
Q)
a)Cr)
Cr)
>
C
RI
Sulfate
2 O O O O O N- O CO O 0 N M 7 u'1 t0 1- CO Cr, 0
R R es R R R R R R co co R R R R R R R R R R R R R
a a a a a a a a a a a a a a a a a a a a a a a a
Lake Rhodhiss
Facility Name
WWTP/WTP Class
NC0041696
NPDES Permit
O
O
To-
0
O
O
LO
M
Flow, Qw (MGD)
Rhodhiss Lake (Catawba River)
Receiving Stream
HUC Number
Stream Class
Apply WS Hardness WQC
WTI
w
3
O O N O
rU' rU' o 5
Data Source(s)
Cal
0
0
J
CHECK TO AP
Cal
N
N

REASONABLE POTENTIAL ANALYSIS
H1
Effluent Hardness
Date Data BDL=1/2DL Results
1 10/17/2017 22.50 22.5 Std Dev.
2 2/22/2018 30.80 30.8 Mean
3 5/8/2018 13.60 13.6 C.V.
4 7/17/2018 21.80 21.8 n
5 8/16/2018 14.40 14.4 10th Per value
6 11/20/2018 24.80 24.8 Average Value
7 2/5/2019 22.60 22.6 Max. Value
8 4/3/2019 11.10 11.1
9 5/21/2019 43.70 43.7
10 6/25/2019 24.20 24.2
11 8/14/2019 26.70 26.7
12 11/21/2019 19.50 19.5
13 1/8/2020 27.30 27.3
14 2/13/2020 23.70 23.7
15 5/13/2020 22.10 22.1
16 8/26/2020 23.10 23.1
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
H2
Upstream Hardness
7.5037
23.2438
0.3228
16
14.00 mg/L
23.24 mg/L
43.70 mg/L
Date Data BDL=1/2DL Results
1 2/22/2018 9.73 9.73 Std Dev.
2 5/8/2018 7.67 7.67 Mean
3 11/20/2018 14.80 14.8 C.V.
4 2/5/2019 13.30 13.3 n
5 5/21/2019 13.90 13.9 10th Per value
6 8/13/2019 11.70 11.7 Average Value
7 11/21/2019 6.81 6.81 Max. Value
8 2/13/2020 10.10 10.1
9 5/14/2020 12.30 12.3
10 8/27/2020 10.8 10.8
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
2.6099
11.1110
0.2349
10
7.58 mg/L
11.11 mg/L
14.80 mg/L
-3-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
Par01 & Par02
Arsenic
Date Data BDL=1/2DL Results
1 5/15/2016 < 10 5 Std Dev.
2 8/4/2016 < 10 5 Mean
3 11/12/2016 < 10 5 C.V.
4 2/14/2017 < 10 5 n
5 2/14/2017 < 10 5
6 5/5/2017 < 10 5 Mult Factor =
7 8/28/2017 < 10 5 Max. Value
8 11/22/2017 < 10 5 Max. Pred Cw
9 2/22/2018 < 10 5
10 5/8/2018 < 10 5
11 8/16/2018 < 10 5
12 11/20/2018 < 10 5
13 2/5/2019 < 10 5
14 5/17/2019 2 2
15 8/14/2019 < 10 5
16 11/21/2019 < 10 5
17 2/13/2020 < 10 5
18 5/13/2020 < 10 5
19 8/26/2020 < 10 5
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
0.6882
4.8421
0.1421
19
1.09
5.0 ug/L
5.5 ug/L
-4-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
Par03
Beryllium
Date Data BDL=1/2DL Results
1 10/17/2017 < 1 0.5 Std Dev.
2 7/17/2018 < 1 0.5 Mean
3 4/3/2019 < 1 0.5 C.V. (default)
4 5/17/2019 5 5 n
51/8/2020 < 20 10
6 Mult Factor =
7 Max. Value
8 Max. Pred Cw
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
Par04
Cadmium
4.2220
3.3000
0.6000
5
2.32
10.00 ug/L
23.20 ug/L
Date Data BDL=1/2DL Results
1 5/15/2016 < 0.20 0.1 Std Dev.
2 8/4/2016 < 0.20 0.1 Mean
3 11/4/2016 < 0.20 0.1 C.V.
4 2/14/2017 < 0.20 0.1 n
5 2/14/2017 < 0.20 0.1
6 5/5/2017 < 0.20 0.1 Mult Factor =
7 8/28/2017 < 0.20 0.1 Max. Value
8 11/22/2017 < 0.20 0.1 Max. Pred Cw
9 2/22/2018 < 0.20 0.1
10 5/8/2018 < 0.20 0.1
11 8/16/2018 < 0.20 0.1
12 11/20/2018 < 0.20 0.1
13 2/5/2019 < 0.20 0.1
14 5/17/2019 0.50 0.5
15 8/14/2019 < 0.20 0.1
16 11/21/2019 < 0.20 0.1
17 2/13/2020 < 0.20 0.1
18 5/13/2020 < 2.00 1
19 8/26/2020 < 0.20 0.1
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
0.2212
0.1684
1.3136
19
1.81
1.000 ug/L
1.810 ug/L
-5-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
Par05
Chlorides
Date Data BDL=1/2DL Results
1 5/15/2016 220 220 Std Dev.
2 8/4/2016 262 262 Mean
3 11/14/2016 378 378 C.V. (default)
4 2/14/2017 163 163 n
5 5/5/2017 245 245
6 Mult Factor =
7 Max. Value
8 Max. Pred Cw
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL -
Values" then "COPY" .
Maxim um data points =
58
78.9892
253.6
0.6000
5
2.3
378.0 mg/L
877.0 mg/L
Par06
Use "PASTE SF
Values" then "(
. Maximum c
points = 5
Date Data BDL=1/2DL Results
1 Std Dev. NO DATA
2 Mean NO DATA
3 C.V. NO DATA
4 n 0
5
6 Mult Factor = N/A
7 Max. Value N/A
8 Max. Pred Cw N/A
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Chlorinated Phenolic Compounds
-6-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
'ECIAL.
COPY"
iata
i8
Par07
Total Phenolic Compounds
Date Data BDL=1/2DL Results
1 8/4/2016 12 12 Std Dev.
2 11/3/2016 11 11 Mean
3 2/14/2017 < 10 5 C.V. (default)
4 5/5/2017 5 5 n
510/17/2017 < 10 5
6 7/17/2018 < 10 5 Mult Factor =
ug/L 7 4/3/2019 < 10 5 Max. Value
ug/L 8 1/8/2020 < 10 5 Max. Pred Cw
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values.' then "COPY"
. Maximum data
points = 58
3.0208
6.6250
0.6000
8
2.14
12.0 ug/L
25.7 ug/L
Par08
Use "PASTE SF
Values" then "(
. Maximum c
points = 5
Date Data BDL=1/2DL Results
1 Std Dev. NO DATA
2 Mean NO DATA
3 C.V. NO DATA
4 n 0
5
6 Mult Factor = N/A
7 Max. Value N/A
8 Max. Pred Cw N/A
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Chromium III
-7-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
'ECIAL.
COPY"
iota
i8
Par09
Chromium VI
Date Data BDL=1/2DL Results
1 Std Dev.
2 Mean
3 C.V.
4 n
5
6 Mult Factor =
pg/L 7 Max. Value
pg/L 8 Max. Pred Cw
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values.' then "COPY"
. Maximum data
points = 58
Par10
Chromium, Total
NO DATA
NO DATA
NO DATA
0
N/A
N/A pg/L
N/A pg/L
Use "PASTE SF
Values" then "(
. Maximum c
points = 5
Date Data BDL=1/2DL Results
1 5/15/2016 < 1.00 0.5 Std Dev. 8.0791
2 8/4/2016 2.00 2 Mean 3.7500
3 11/5/2016 < 1.00 0.5 C.V. 2.1544
4 2/14/2017 < 1.00 0.5 n 18
5 5/5/2017 < 1.00 0.5
6 8/28/2017 < 1.00 0.5 Mult Factor = 2.27
7 11/22/2017 2.00 2 Max. Value 31.0
8 2/22/2018 < 1.00 0.5 Max. Pred Cw 70.4
9 5/8/2018 < 1.00 0.5
10 8/16/2018 1.00 1
11 11/20/2018 < 1.00 0.5
12 2/5/2019 < 1.00 0.5
13 5/17/2019 5 5
14 8/14/2019 < 1.00 0.5
15 11/21/2019 < 1.00 0.5
16 2/13/2020 31 31
17 5/13/2020 19 19
18 8/26/2020 2 2
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
-8-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
'ECIAL.
COPY"
iata
i8
Pall
Copper
Date Data BDL=1/2DL Results
1 5/15/2016 20 20 Std Dev.
2 8/4/2016 15 15 Mean
3 11/6/2016 26 26 C.V.
4 2/14/2017 15.00 15 n
5 5/5/2017 < 1.00 0.5
6 8/28/2017 4.00 4 Mult Factor =
pg/L 7 11/22/2017 3.00 3 Max. Value
pg/L 8 2/22/2018 10.00 10 Max. Pred Cw
9 5/8/2018 < 1.00 0.5
10 8/16/2018 16.00 16
11 11/20/2018 < 1.00 0.5
12 2/5/2019 2.00 2
13 5/17/2019 10.00 10
14 8/14/2019 8.00 8
15 11/21/2019 9.00 9
16 2/13/2020 < 1.00 0.5
17 5/13/2020 < 1.00 0.5
18 8/26/2020 12.00 12
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values.' then "COPY"
. Maximum data
points = 58
Par12
Cyanide
7.7050
8.4722
0.9094
18
1.62
26.00 ug/L
42.12 ug/L
Use "PASTE SF
Values" then "(
. Maximum c
points = 5
Date Data BDL=1/2DL Results
1 5/15/2016 < 5.00 5 Std Dev. 0.0000
2 8/4/2016 5.00 5 Mean 5.00
3 10/4/2016 5.00 5 C.V. 0.0000
4 11/15/2016 < 5.00 5 n 18
5 2/14/2017 < 5.00 5
6 5/5/2017 5.00 5 Mult Factor = 1.00
7 8/28/2017 < 5.00 5 Max. Value 5.0
8 11/22/2017 < 5.00 5 Max. Pred Cw 5.0
9 2/22/2018 < 5.00 5
10 5/8/2018 < 5.00 5
11 8/16/2018 < 5.00 5
12 11/20/2018 < 5.00 5
13 2/5/2019 < 5.00 5
14 8/14/2019 < 5.00 5
15 11/21/2019 < 5.00 5
16 2/13/2020 < 5.00 5
17 5/13/2020 < 5.00 5
18 8/26/2020 5.00 5
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
-9-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
'ECIAL.
COPY"
iata
i8
Par14
Lead
Date BDL=1/2DL Results
1 5/15/2016 < 10.00 5 Std Dev.
2 8/4/2016 < 10.00 5 Mean
3 11/8/2016 < 10.00 5 C.V.
4 2/14/2017 < 10.00 5 n
5 5/5/2017 < 10.00 5
6 8/28/2017 < 10.00 5 Mult Factor =
ug/L 7 11/22/2017 < 10.00 5 Max. Value
ug/L 8 2/22/2018 < 10.00 5 Max. Pred Cw
9 5/8/2018 < 10.00 5
10 8/16/2018 < 10.00 5
11 11/20/2018 < 10.00 5
12 2/5/2019 < 10.00 5
13 5/17/2019 2.00 2
14 8/14/2019 < 10.00 5
15 11/21/2019 < 10.00 5
16 2/13/2020 < 10.00 5
17 5/13/2020 < 10.00 5
18 8/26/2020 < 10.00 5
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values.' then "COPY"
. Maximum data
points = 58
Par15
Mercu ry
0.7071
4.8333
0.1463
18
1.10
5.000 ug/L
5.500 ug/L
Use "PASTE SF
Values" then "(
. Maximum c
points = 5
Date Data BDL=1/2DL Results
1 2/14/2017 4.77 4.77 Std Dev. 1.8004
2 5/8/2017 2.04 2.04 Mean 2.6095
3 8/28/2017 4.85 4.85 C.V. 0.6900
4 10/17/2017 5.25 5.25 n 19
5 11/27/2017 1.84 1.84
6 2/22/2018 1.70 1.7 Mult Factor = 1.45
7 5/8/2018 7.56 7.56 Max. Value 7.6
8 8/27/2018 1.70 1.7 Max. Pred Cw 11.0
9 11/20/2018 2.07 2.07
10 2/4/2019 2.54 2.54
11 4/3/2019 2.48 2.48
12 5/17/2019 0.20 0.25
13 5/30/2019 1.54 1.54
14 8/14/2019 3.54 3.54
15 11/21/2019 1.60 1.6
16 1/8/2020 1.48 1.48
17 2/13/2020 1.99 1.99
18 5/14/2020 1.27 1.27
19 8/26/2020 1.11 1.11
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
-10-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
'ECIAL.
COPY"
iota
i8
ng/L
ng/L
Par16
Molybdenum
Date Data BDL=1/2DL Results
1 5/15/2016 < 1.00 0.5 Std Dev.
2 8/4/2016 < 1.00 0.5 Mean
3 11/11/2016 < 10.00 5 C.V.
4 2/14/2017 8.00 8 n
5 5/8/2018 6.00 6
6 5/5/2017 1.00 1 Mult Factor =
7 8/28/2017 1.00 1 Max. Value
8 11/22/2017 1.00 1 Max. Pred Cw
9 2/22/2018 1.00 1
10 8/16/2018 1.00 1
11 11/20/2018 1.00 1
12 8/14/2019 1.00 1
13 11/21/2019 1.00 1
14 2/13/2020 1.00 1
15 8/26/2020 1.00 1
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL. Par17 & Par18
Values" then "COPY"
. Maximum data
points = 58
Nickel
Date Data BDL=1/2DL Results
2.3223 1 5/15/2016 < 1.00 0.5 Std Dev.
2.0000 2 8/4/2016 < 1.00 0.5 Mean
1.1611 3 11/7/2016 6.00 6 C.V.
15 4 2/14/2017 < 1.00 0.5 n
5 5/5/2017 < 1.00 0.5
1.97 6 8/28/2017 < 1.00 0.5 Mult Factor =
8.0 ug/L 7 11/22/2017 < 1.00 0.5 Max. Value
15.8 ug/L 8 2/22/2018 5.00 5 Max. Pred Cw
9 5/8/2018 < 1.00 0.5
10 8/16/2018 < 1.00 0.5
11 11/20/2018 < 1.00 0.5
12 2/5/2019 3.00 3
13 5/17/2019 2.00 2
14 8/14/2019 < 1.00 0.5
15 11/21/2019 < 1.00 0.5
16 2/13/2020 < 1.00 0.5
17 5/13/2020 < 10.00 5
18 8/26/2020 1.00 1
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
-11-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
Use"PASTE
SPECIAL -Values
then "COPY" .
Maximum data
points = 58
Par19
Selenium
1.8700
1.5556
1.2021
18
1.80
6.0 pg/L
10.8 pg/L
Date Data BDL=1/2DL Results
1 5/17/2016 < 10.00 5 Std Dev.
2 8/4/2016 10.00 10 Mean
3 11/3/2016 < 10.00 5 C.V.
4 2/14/2017 < 10.00 5 n
5 5/5/2017 < 10.00 5
6 8/28/2017 < 10.00 5 Mult Factor =
7 10/17/2017 < 10.00 5 Max. Value
8 11/22/2017 < 10.00 5 Max. Pred Cw
9 2/22/2018 < 10.00 5
10 5/8/2018 < 10.00 5
11 8/16/2018 < 10.00 5
12 11/20/2018 < 10.00 5
13 2/5/2019 < 10.00 5
14 5/17/2019 1.00 1
15 8/14/2019 < 10.00 5
16 11/21/2019 < 10.00 5
17 2/13/2020 < 10.00 5
18 5/13/2020 < 10.00 5
19 8/26/2020 < 10.00 5
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use"PASTE
SPECIAL -Values
then "COPY" .
Maximum data
points = 58
Par20
Silver
1.5083
5.0526
0.2985
19
1.19
10.0 ug/L
11.9 ug/L
Date Data BDL=1/2DL Results
1 5/17/2016 < 1.00 0.5 Std Dev.
2 8/4/2016 < 1.00 0.5 Mean
3 11/3/2016 < 1.00 0.5 C.V.
4 2/14/2017 < 1.00 0.5 n
5 5/5/2017 < 1.00 0.5
6 8/28/2017 < 1.00 0.5 Mult Factor =
7 10/17/2017 < 1.00 0.5 Max. Value
8 11/22/2017 < 1.00 0.5 Max. Pred Cw
9 2/22/2018 < 1.00 0.5
10 5/8/2018 < 1.00 0.5
11 8/16/2018 < 1.00 0.5
12 11/20/2018 < 1.00 0.5
13 2/5/2019 < 1.00 0.5
14 5/17/2019 1.00 1
15 8/14/2019 < 1.00 0.5
16 11/21/2019 < 1.00 0.5
17 5/13/2020 < 1.00 0.5
18 8/26/2020 < 1.00 0.5
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
-12-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
Use "PASTE SPECIAL -
Values" then "COPY" .
Maxim um data points =
58
Par21
Zinc
0.1179
0.5278
0.2233
18
1.15
1.000 ug/L
1.150 ug/L
Date Data BDL=1/2DL Results
1 5/15/2016 93.0 93 Std Dev.
2 8/4/2016 49.0 49 Mean
3 10/4/2016 63.0 63 C.V.
4 11/9/2016 93.0 93 n
5 2/14/2017 13.0 13
6 5/5/2017 374.0 374 Mult Factor =
7 8/28/2017 12.0 12 Max. Value
8 11/22/2017 132.0 132 Max. Pred Cw
9 2/22/2018 94.0 94
10 5/8/2018 30.0 30
11 8/16/2018 57.0 57
12 11/20/2018 < 1.0 0.5
13 2/5/2019 13.0 13
14 5/17/2019 30.0 30
15 8/14/2019 < 1.0 0.5
16 11/21/2019 < 1.0 0.5
17 2/13/2020 129.0 129
18 5/13/2020 198.0 198
19 8/26/2020 < 10.0 5
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Use "PASTE SPECIAL.
Values" then "COPY"
. Maximum data
points = 58
Par22
Sulfate
91.2955
72.9737
1.2511
19
1.77
374.0 ug/L
662.0 ug/L
Date Data BDL=1/2DL
1 5/15/2016 0.093 0.093
2 8/4/2016 0.049 0.049
3 10/4/2016 0.063 0.063
4 11/9/2016 0.093 0.093
5 2/14/2017 117.00 117
6 5/5/2017 115.00 115
7 4/3/2019 58.70 58.7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
-13-
41696 RPA 3.5.xlsm, data
11/20/2020

REASONABLE POTENTIAL ANALYSIS
Results
Std Dev.
Mean
C.V. (default)
n
Mult Factor =
Max. Value
Max. Pred Cw
Use "PASTE SPECIAL -
Values" then "COPY" .
Maximum data points = 58
55.1703
41.5711
0.6000
7
2.01
117.000000 mg/L
235.170000 mg/L
-14-
41696 RPA 3.5.xlsm, data
11/20/2020

S
§
■
k)
0§
0 uj
§§
)§
k0
■
■
1ECD
"
o w
Ce
@ 0
o
k
Effluent Hard: 0 value > 100 mg/L
23.24 mg/L (Avg)
RECOMMENDED ACTION
- --------------------------
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
RP - for Limited Dataset (n<8 samples) - apply
Quarterly Monitoring
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
a: No monitoring required if all Total Chromium
samples are < 5 pg/L or Pred. max for Total Cr is <
allowable Cw for Cr VI.
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
REASONABLE POTENTIAL RESULTS
ri # Det. Max Pred Cw Allowable Cw
Acute (FW): 11,785.3
Chronic (FW): 6,371.2
No value? AllowableCw_
Chronic (HH): 424.7
No value > Allowable Cw
Acute: 2,253.07
- Chronic: 276.09
No value > Allowable Cw
Acute: 112.294
- Chronic: 25.055
No value > Allowable Cw
Acute: NO WQS
- Chronic: 12,742.4
No value > Allowable Cw
Acute: 31,372.6
- Chronic: 5,000.6
Acute: 554.6
Chronic: 467.2
dlowable Cw
Max reported value = 31
Acute: 362.99
Chronic: 334.73
No value > Allowable Cw
Acute: 762.6
Chronic: 212.4
No value > Allowable Cw
r
23.20
C.V. (default)
_
25.7
C.V. (default)
§
x
}
§ v7
4 r
in
Al
§
r
5 1
Note: n < 9
Limited data set
6 3
Note: n < 9
Limited data set
Tot Cr value
18 7
&wn
\ \
\
-
0
\
\
\
\
\
,d
a
NC STANDARDS OR EPA CRITERIA
Applied
Chronic Acute
Standard
150 FW(7Q10s) 340
10 HH/WS(Qavg)
6.5 FW(7Q10s) 65
0.5899 FW(7Q10s) 3.2396
/
%
o
o
cn
117.7325 FW(7Q10s) 905.0818
11 FW(7Q10s) 16
7.8806 FW(7Q10s) 10.4720
5 FW(7Q10s) 22
co
u u
z
z
z
Z
;
;
;
;
PARAMETER
Arsenic
Arsenic
E
}
CO
Cadmium
Total Phenolic Compounds
Chromium III
Chromium VI
Chromium, Total
Copper
Cyanide
o
E
Lfi
Page 15 of 16

0
cC
CU
v
Al- l values reported non -detect < 10 ug/L - No
monitoring required.
- --------------------------
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
All values reported non -detect < 5 ug/L - No
monitoring required.
No RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No - RP, Predicted Max < 50% of Allowable Cw
Monitoring to continue as total nitrogen
I
Acute: 2,616.585
- Chronic: 124.944
No value > Allowable Cw
Acute (FW): 11,619.2
Chronic (FW): 1,581.4
No value? Allowable Cw
Chronic (WS): 1,061.9
No value > Allowable Cw
Acute: 1,941.1
Chronic: 212.4
No value > Allowable Cw
Acute: 10.274
Chronic: 2.548
No value > Allowable Cw
Acute: 4,357.3
- Chronic: 5,383.0
No value > Allowable Cw
Acute: NO WQS
- Chronic: 10618.664
No value > Allowable Cw
Acute:
- Chronic:
o
o
235.17000
C.V. (default)
z
oo
N
a,
oo
a,
7 7
Note: n < 9
Limited data set
O
o
2.9416 FW(7Q10s) 75.4871
37.2313 FW(7Q10s) 335.2087
25.0000 WS(7Q10s)
5 FW(7Q10s) 56
0.06 FW(7Q10s) 0.2964
126.7335 FW(7Q10s) 125.7052
250 WS(7Q10s)
0
z
0 0
z z
0
z
0
z
0
z
Z
m
—1Z
Z
Selenium
>
N
e_
N
Sulfate
Page 16 of 16

Metal Translators
/95% Confidence Usi
95% Probabilit
Na
N
F res hwate
MAXIMUM DATA POINTS = 58
REQUIRED DATA ENTRY
Table 2. Parameters of Concern
Project Information
G)
-171
J
c
d
O
t
U
a)
co
co
CHECK IF HQW OR ORW WQS
J_
a)
J_
a)
J_
a)
J
0)
7
—I
0)
E
J
0)
7
J
Zr)_
7
J
0)
7
J
0)
1
J
_
0)
1
J
0)
7
J
Zr)_
7
J
0)
7
J
0)
7
J
_
al
C
J
0)
7
J
_
0)
1
J
_
0)
1
J
_
0)
7
J
0)
7
J
_
0)
7
J
0)
E
O
a—
LO
0
340
Q
Z
LO
(5)
3.2396
905.0818
CO
<
Z
10.4720
N
N
75.4871
L--
W
N
La
co
co
Q
Z
co
Ln
0.2964
125.7052
L.L
=
L.L
L.L
>
Q
Q
Ll
Ll
Ll
Ll
Ll
Ll
Ll
u
>
u
>
Ll
Ll
u
150
10
LO
C4
0.5899
250
300
117.7325
Q
Z
7.8806
LO
O
00
a—
2.9416
N
O
M
co
N
N-
CO
25.0000
00
O
126.7335
250
U
U
0
Z
0
Z
0
Z
U
Z
U
Z
U
Z
0
Z
0
Z
0
Z
U
Z
U
Z
0
Z
0
Z
U
Z
0
Z
0
Z
U
Z
0
Z
U
Z
U
Z
Aquactic Life
Human Health
Water Supply
Aquatic Life
Aquatic Life
Water Supply
Water Supply
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Water Supply
Aquatic Life
Water Supply
Aquatic Life
Aquatic Life
Aquatic Life
Water Supply
Arsenic
Arsenic
E
a)
0o
Cadmium
U
'O
t
U
Chlorinated Phenolic Compounds
Total Phenolic Compounds
Chromium III
Chromium VI
Chromium, Total
Copper
Cyanide
Fluoride
Lead
Mercury
E
C
_a
>
0
M
Nickel
Nickel
E
Q)
a)
u)
>
u)
C
N
Sulfate
N- O O O 0 ▪ • 0 O 0 CO0 0 Ch 0 N coCO0 e) 7 u'1 O N-
R R R R R R R R R CO CO CO R R R R R R R R R R R R
a a a a a a a a a a a a a a a a a a a a a a a a
Lake Rhodhiss
Facility Name
WWTP/WTP Class
NC0041696
NPDES Permit
O
O
0
Flow, Qw (MGD)
Rhodhiss Lake (Catawba River)
Receiving Stream
HUC Number
Stream Class
Apply WS Hardness WQC
WTI
1,
- 3 V
O O N O
EU' EU' o E
Data Source(s)
Cs/
0
0
J
CHECK TO AP
Cs/
N
N

S
§
■
k)
O §
0 uj
§§
)§
k0
Effluent Hard: 0 value > 100 mg/L
23.24 mg/L (Avg)
RECOMMENDED ACTION
- --------------------------
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
RP - for Limited Dataset (n<8 samples) - apply
Quarterly Monitoring
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
a: No monitoring required if all Total Chromium
samples are < 5 pg/L or Pred. max for Total Cr is <
allowable Cw for Cr VI.
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
REASONABLE POTENTIAL RESULTS
ri # Det. Max Pred Cw Allowable Cw
Acute (FW): 5,681.1
Chronic (FW): 3,053.2
No value? AllowableCw_
Chronic (HH): 203.5
No value > Allowable Cw
Acute: 1,086.10
- Chronic: 132.31
No value > Allowable Cw
Acute: 54.131
- Chronic: 12.007
No value > Allowable Cw
Acute: NO WQS
- Chronic: 6,106.5
No value > Allowable Cw
Acute: 15,123.2
- Chronic: 2,396.4
Acute: 267.3
Chronic: 223.9
dlowable Cw
Max reported value = 31
Acute: 174.98
Chronic: 160.41
No value > Allowable Cw
Acute: 367.6
Chronic: 101.8
No value > Allowable Cw
r
23.20
C.V. (default)
_
25.7
C.V. (default)
§
x
}
§ 67
4 r
Al
§
r
5 1
Note: n < 9
Limited data set
6 3
Note: n < 9
Limited data set
Tot Cr value
18 7
&wn
\
\
\
-
\
\
-
\
0
\
,d
a
NC STANDARDS OR EPA CRITERIA
Applied
Chronic Acute
Standard
150 FW(7Q10s) 340
10 HH/WS(Qavg)
6.5 FW(7Q10s) 65
0.5899 FW(7Q10s) 3.2396
/
%
o
o
117.7325 FW(7Q10s) 905.0818
11 FW(7Q10s) 16
7.8806 FW(7Q10s) 10.4720
5 FW(7Q10s) 22
La
0
0
z
z
z
Z
;
;
;
;
PARAMETER
Arsenic
Arsenic
E
}
ari
Cadmium
Total Phenolic Compounds
Chromium III
Chromium VI
Chromium, Total
Copper
Cyanide
co 0
{j
(
Page 15 of 16

0
ca
CU
v
Al- l values reported non -detect < 10 ug/L - No
monitoring required.
- --------------------------
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
All values reported non -detect < 5 ug/L - No
monitoring required.
No RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No - RP, Predicted Max < 50% of Allowable Cw
Monitoring to continue as total nitrogen
I
Acute: 1,261.333
Chronic: 59.876
No value > Allowable Cw
Acute (FW): 5,601.1
Chronic (FW): 757.8
No value? Allowable Cw
Chronic (WS): 508.9
No value > Allowable Cw
Acute: 935.7
- Chronic: 101.8
No value > Allowable Cw
Acute: 4.953
Chronic: 1.221
No value > Allowable Cw
Acute: 2,100.4
- Chronic: 2,579.E
No value > Allowable Cw
Acute: NO WQS
- Chronic: 5088.710
No value > Allowable Cw
Acute:
- Chronic:
oo
cr.
o
trl
o
235.17000
C.V. (default)
oo
N
a,
oo
a,
7 7
Note: n < 9
Limited data set
o
o
t
t
t
t
2.9416 FW(7Q10s) 75.4871
37.2313 FW(7Q10s) 335.2087
25.0000 WS(7Q10s)
5 FW(7Q10s) 56
0.06 FW(7Q10s) 0.2964
126.7335 FW(7Q10s) 125.7052
250 WS(7Q10s)
0
z
0 0
z z
0
z
0
z
0
z
Z
m
_1Z
Z
Selenium
>
N
e_
N
Sulfate
Page 16 of 16

Metal Translators
/95% Confidence Usi
95% Probabilit
Na
F res hwate
MAXIMUM DATA POINTS = 58
REQUIRED DATA ENTRY
Table 2. Parameters of Concern
Project Information
G)
-171
J
c
d
N
7
O
L
U
0
C3
N
E
CHECK IF HQW OR ORW WQS
J_
rn
J_
rn
J_
rn
J
a)
7
—I
0)
E
J
o)
7
J_
o)
7
J
a)
7
J_
a)
1
J_
a)
1
J
a)
7
J_
o)
7
J
o)
7
J_
a)
7
J_
DI
C
J
o)
7
J_
a)
1
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Q
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3.2396
905.0818
co
<
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10.4720
N
N
75.4871
N-
CO
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6
co
co
Q
Z
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0.2964
125.7052
u_
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=
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LL
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LL
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LL
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0.5899
250
a—
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7.8806
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Aquactic Life
Human Health
Water Supply
Aquatic Life
Aquatic Life
Water Supply
Water Supply
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Aquatic Life
Water Supply
Aquatic Life
Water Supply
Aquatic Life
Aquatic Life
Aquatic Life
Water Supply
Arsenic
Arsenic
E
Q)
m
Cadmium
U
'O
t
0
Chlorinated Phenolic Compounds
Total Phenolic Compounds
Chromium III
Chromium VI
Chromium, Total
Copper
Cyanide
Fluoride
Lead
Mercury
E
C
>
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Nickel
Nickel
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Cr)
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R R es R R R R R R co co R R R R R R R R R R R R R
a a a a a a a a a a a a a a a a a a a a a a a a
Lake Rhodhiss
Facility Name
WWTP/WTP Class
NC0041696
NPDES Permit
O
O
To-
0
Flow, Qw (MGD)
Rhodhiss Lake (Catawba River)
Receiving Stream
o_
O
LO
O
CO
O
HUC Number
Stream Class
Apply WS Hardness WQC
WTI
w
3 V
O O N O
5U' 5nU' o 5
Data Source(s)
Cal
0
0
J
CHECK TO AP
Cal
N
N

S
§
■
k)
o §
0uj
§§
)§
k�
Effluent Hard: 0 value > 100 mg/L
23.24 mg/L (Avg)
RECOMMENDED ACTION
- --------------------------
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
RP - for Limited Dataset (n<8 samples) - apply
Quarterly Monitoring
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
a: No monitoring required if all Total Chromium
samples are < 5 pg/L or Pred. max for Total Cr is <
allowable Cw for Cr VI.
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
REASONABLE POTENTIAL RESULTS
ri # Det. Max Pred Cw Allowable Cw
Acute (FW): 4,155.1
Chronic (FW): 2,223.7
No value? AllowableCw_
Chronic (HH): 148.2
No value > Allowable Cw
Acute: 794.36
- Chronic: 96.36
No value > Allowable Cw
Acute: 39.591
- Chronic: 8.745
No value > Allowable Cw
Acute: NO WQS
- Chronic: 4,447.5
No value > Allowable Cw
Acute: 11,060.9
- Chronic: 1,745.4
Acute: 195.5
Chronic: 163.1
dlowable Cw
Max reported value = 31
Acute: 127.98
Chronic: 116.83
No value > Allowable Cw
Acute: 268.9
Chronic: 74.1
No value > Allowable Cw
r
23.20
C.V. (default)
_
25.7
C.V. (default)
§
x
}
§ 67
4 r
Al
§
r
5 1
Note: n < 9
Limited data set
6 3
Note: n < 9
Limited data set
Tot Cr value
18 7
&wn
\
\
\
-
\
\
\
\
\
\
,d
a
NC STANDARDS OR EPA CRITERIA
Applied
Chronic Acute
Standard
150 FW(7Q10s) 340
10 HH/WS(Qavg)
6.5 FW(7Q10s) 65
0.5899 FW(7Q10s) 3.2396
/
%
o
o
117.7325 FW(7Q10s) 905.0818
11 FW(7Q10s) 16
7.8806 FW(7Q10s) 10.4720
5 FW(7Q10s) 22
La
0
0
z
z
z
Z
;
;
;
;
PARAMETER
Arsenic
Arsenic
E
}
to
Cadmium
Total Phenolic Compounds
Chromium III
Chromium VI
Chromium, Total
Copper
Cyanide
o
{j
(
Page 15 of 16

0
ca
CU
v
1)
Al- l values reported non -detect < 10 ug/L - No
monitoring required.
- --------------------------
No - RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
All values reported non -detect < 5 ug/L - No
monitoring required.
No RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No RP, Predicted Max < 50% of Allowable Cw - No
Monitoring required
No - RP, Predicted Max < 50% of Allowable Cw
Monitoring to continue as total nitrogen
I
Acute: 922.520
- Chronic: 43.609
No value > Allowable Cw
Acute (FW): 4,096.5
Chronic (FW): 552.0
No_ value? Allowable_Cw
Chronic (WS): 370.6
No value > Allowable Cw
Acute: 684.4
- Chronic: 74.1
No value > Allowable Cw
Acute: 3.622
Chronic: 0.889
1 value(s) > Allowable Cw
Acute: 1,536.2
- Chronic: 1,878.8
No value > Allowable Cw
Acute: NO WQS
- Chronic: 3706.221
No value > Allowable Cw
Acute:
- Chronic:
o
o
va
va
235.17000
C.V. (default)
z
o0
N
0,
oo
a,
7 7
Note: n < 9
Limited data set
O
o
t
t
t
t
2.9416 FW(7Q10s) 75.4871
37.2313 FW(7Q10s) 335.2087
25.0000 WS(7Q10s)
5 FW(7Q10s) 56
0.06 FW(7Q10s) 0.2964
126.7335 FW(7Q10s) 125.7052
250 WS(7Q10s)
0
0 0
0
0
0
Z
m
J
Z Z
Selenium
>
N
e_
N
Sulfate
0
o
N O
4
a
co
co
Page 16 of 16

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Lake Rhodhiss WWTP
NC0041696
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10/22/2012 Guidance
Reduction in Frequency Evaluation
Lake Rhodhiss WWTP
LD
lD
LID
c-I
Cr
0
0
0
Z
7/3/2017 - 7/3/2020
CD
Permit No.
Review period
(use 3 yrs)
L.L
N•
z
>-
Approval Criteria:
Based on the facility's compliance report, the facility does not meet the approval criteria for monitoring reduction.
z
>-
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1. Currently under Special
Orders by Consent (SOC)
2. On EPA Quarterly
noncompliance report
3. Facility or employees
convicted of CWA violations
within the last five years
4. More than one civil penalty
assessment for permit limit
violations for each target
parameter during previous
three years
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* Used ammonia limits for 7.5 MGD. 3.5 MGD does not have ammonia limits.

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arameters

NH3ITRC WLA Calculations
Facility: Town of Valdese/Lake Rhodhiss Wastewater Treatment Plant (WWTP)
PermitNo. NC0041696
Prepared By: Diana Yitbarek
Enter Design Flow (MGD):
Enter s7Q10 (cfs):
Enter w7Q10 (cfs):
3.5
225
225
Total Residual Chlorine (TRC)
Daily Maximum Limit (ug/I)
s7Q10 (CFS)
DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (UG/L)
Upstream Bkgd (ug/I)
IWC (%)
Allowable Conc. (ug/I)
Less stringent than current permit limit.
Maintain limit at 28 ug/I to protect for
acute toxicity.
Fecal Coliform
Monthly Average Limit:
(If DF >331; Monitor)
(If DF<331; Limit)
Dilution Factor (DF)
Maintain 200/100 ml MA limit
Ammonia (Summer)
Monthly Average Limit (mg NH3-N/I)
225 s7Q10 (CFS)
3.5 DESIGN FLOW (MGD)
5.425 DESIGN FLOW (CFS)
17.0 STREAM STD (MG/L)
0 Upstream Bkgd (mg/I)
2.35 IWC (%)
722 Allowable Conc. (mg/I)
Maximum ammonia reported was 5.52 mg/I.
No need to set limit
Ammonia (Winter)
Monthly Average Limit (mg NH3-N/I)
w7Q10 (CFS)
200/100m1 DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (MG/L)
42.47 Upstream Bkgd (mg/I)
IWC (%)
Allowable Conc. (mg/I)
Total Residual Chlorine
1. Cap Daily Max limit at 28 ug/I to protect for acute toxicity
Ammonia (as NH3-N)
1. If Allowable Conc > 35 mg/I, Monitor Only
2. Monthly Avg limit x 3 = Weekly Avg limit (Municipals)
3. Monthly Avg limit x 5 = Daily Max limit (Non-Munis)
If the allowable ammonia concentration is > 35 mg/L, no limit shall be imposed
225
3.5
5.425
1.0
0.22
2.35
33.4
225
3.5
5.425
1.8
0.22
2.35
67.3
Fecal Coliform
1. Monthly Avg limit x 2 = 400/100 ml = Weekly Avg limit (Municipals) = Daily Max limit (Non -Muni)

NH3ITRC WLA Calculations
Facility: Town of Valdese/Lake Rhodhiss Wastewater Treatment Plant (WWTP)
PermitNo. NC0041696
Prepared By: Diana Yitbarek
Enter Design Flow (MGD):
Enter s7Q10 (cfs):
Enter w7Q10 (cfs):
7.5
225
225
Total Residual Chlorine (TRC)
Daily Maximum Limit (ug/I)
s7Q10 (CFS)
DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (UG/L)
Upstream Bkgd (ug/I)
IWC (%)
Allowable Conc. (ug/I)
Less stringent than current permit limit.
Maintain limit at 28 ug/I to protect for
acute toxicity.
Fecal Coliform
Monthly Average Limit:
(If DF >331; Monitor)
(If DF<331; Limit)
Dilution Factor (DF)
Maintain 200/100 ml MA limit
225
7.5
11.625
17.0
0
4.91
346
Ammonia (Summer)
Monthly Average Limit (mg NH3-N/I)
s7Q10 (CFS)
DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (MG/L)
Upstream Bkgd (mg/I)
IWC (%)
Allowable Conc. (mg/I)
Maintain 16.0 mg/I limit
Ammonia (Winter)
Monthly Average Limit (mg NH3-N/I)
w7Q10 (CFS)
200/100m1 DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (MG/L)
20.35 Upstream Bkgd (mg/I)
IWC (%)
Allowable Conc. (mg/I)
Total Residual Chlorine
1. Cap Daily Max limit at 28 ug/I to protect for acute toxicity
Ammonia (as NH3-N)
1. If Allowable Conc > 35 mg/I, Monitor Only
2. Monthly Avg limit x 3 = Weekly Avg limit (Municipals)
3. Monthly Avg limit x 5 = Daily Max limit (Non-Munis)
If the allowable ammonia concentration is > 35 mg/L, no limit shall be imposed
225
7.5
11.625
1.0
0.22
4.91
16.1
225
7.5
11.625
1.8
0.22
4.91
32.4
Fecal Coliform
1. Monthly Avg limit x 2 = 400/100 ml = Weekly Avg limit (Municipals) = Daily Max limit (Non -Muni)

NH3lTRC WLA Calculations
Facility: Town of Valdese/Lake Rhodhiss Wastewater Treatment Plant (WWTP)
PermitNo. NC0041696
Prepared By: Diana Yitbarek
Enter Design Flow (MGD):
Enter s7Q10 (cfs):
Enter w7Q10 (cfs):
10.5
225
225
Total Residual Chlorine (TRC)
Daily Maximum Limit (ug/I)
s7Q10 (CFS)
DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (UG/L)
Upstream Bkgd (ug/I)
IWC (%)
Allowable Conc. (ug/I)
Less stringent than current permit limit.
Maintain limit at 28 ug/I to protect for
acute toxicity.
Fecal Coliform
Monthly Average Limit:
(If DF >331; Monitor)
(If DF<331; Limit)
Dilution Factor (DF)
Maintain 200/100 ml MA limit
225
10.5
16.275
17.0
0
6.75
252
Ammonia (Summer)
Monthly Average Limit (mg NH3-N/I)
s7Q10 (CFS)
DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (MG/L)
Upstream Bkgd (mg/I)
IWC (%)
Allowable Conc. (mg/I)
Maintain 4.0 mg/I limit
Ammonia (Winter)
Monthly Average Limit (mg NH3-N/I)
w7Q10 (CFS)
200/100m1 DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (MG/L)
14.82 Upstream Bkgd (mg/I)
IWC (%)
Allowable Conc. (mg/I)
Total Residual Chlorine
1. Cap Daily Max limit at 28 ug/I to protect for acute toxicity
Ammonia (as NH3-N)
1. If Allowable Conc > 35 mg/I, Monitor Only
2. Monthly Avg limit x 3 = Weekly Avg limit (Municipals)
3. Monthly Avg limit x 5 = Daily Max limit (Non-Munis)
If the allowable ammonia concentration is > 35 mg/L, no limit shall be imposed
225
10.5
16.275
1.0
0.22
6.75
11.8
225
10.5
16.275
1.8
0.22
6.75
23.6
Fecal Coliform
1. Monthly Avg limit x 2 = 400/100 ml = Weekly Avg limit (Municipals) = Daily Max limit (Non -Muni)

Lake Rhodhiss WWTP/NC0041696
0
N
0
N
Ol
0
N
m
N
Ln
m
00
O
N
N
n
O
N
00
m
N
N
Ol
0
# of Samples
J
0.0
J
W
CO
J
00
J
W
CO

Lake Rhodhiss WWTP/NC0041696
0
N
0
N
Ol
0
N
m
N
Ln
m
00
O
N
N
n
O
N
00
m
n
# of Samples
J
0.0
J
W
CO
J
00
J
W
CO

Lake Rhodhiss WWTP/NC0041696
0
N
0
N
Ol
0
N
m
N
Ln
m
00
0
N
N
N
0
N
00
m
N
CT)
N
N
# of Samples
J
J
W
CO
J
0
J
W
CO

Whole Effluent Toxicity Testing and Self Monitoring Summary
V
0
VI
0
Feb May Aug Nov
County: Mitchell
NC0000400/001
IWC: 5.73
7Q10: 44.0
NonComp: Single
chr lim: 6.0%
Q a O O O
C
O,
0 n CO m
0 0 0 0 0
V
0
VI
0
N
Jan Apr Jul Oct
o
0
[O
Rutherford
NC0025381/001
Lake Lure WWTP, town of
u
d
N
V
0 a o
LL
V
0
—I
V
0
Jan Apr Jul Oct
Y
[O
O
V
7Q10: 228.7
NonComp: Single
C
C
O,
n CO m O
0 0 0 0
V
0
VI
0
N
0 O
O
0
Q1
0
NC0081671/001
Lake Townsend WTP
Chr Monit: 90% - An
0
O
.En
0
1 d LL
L a a
O,
V
0
VI
0
N
Mar Jun Sep Dec
County: Columbus
NC0021881/001
Lake Waccamaw WWTP
O'
U1
chr lim: 90%
O1
0
0
N
c\-1
co
.En
0
0
C LL LL a O O
o
0 n CO m
0 0 0 0 0
Page 65 of 122
Legend: P= Fathead minnow (Pimphales promelas), H=No Flow (facility is active), s = Split test between Certified Labs

Parameter
00010 - Temperature, Water Deg. Centigrade
00094 - Conductivity
00300 - Oxygen, Dissolved (DO)
00400 - pH
00900 - Hardness, Total (as CaCO3)
Location
Downstream
Effluent
Influent
Upstream
Downstream
Effluent
U •stream
Downstream
Effluent
Upstream
Downstream
Effluent
Influent
Upstream
Effluent
U •stream
(blank)
Data
Average of Value Max of Value Min of Value
22.079 31 6
20.503 29 8
20.466 31 4
21.951 31 7
48.261 91 24
905.096 49600 126
56.700 1804 31
9.739 11.5 6.7
7.807 11.7 5
9.545 11.4 7.2
8.230 9.1 7.3
6.934 9.3 5.8
7.170 9.6 5
8.189 9.3 7.2
23.293
43.7 11.1
11.111 14.8 6.81

00300 - Oxygen, Dissolved (DO)
Upstream
Effluent
Downstream
DO
0 2 4 6 8 10 12 14
Upstream
Q Influent
0
0
o Effluento
Downstream ■
Data Min of Value • Data Max of Value • Data Average of Value
pH
0
M
2 4 6 8 10 12
Data Min of Value • Data Max of Value • Data Average of Value

b
Upstream
v
a Influent
ro
� . 9
E u Effluent
0
Downstream
0
0
00094 - Conductivity
Upstream
Effluent
Downstream
T
0 5 10 15 20 25 30 35
Data Min of Value • Data Max of Value • Data Average of Value
Conductividad
0 10000 20000 30000 40000 50000 60000
Data Min of Value • Data Max of Value • Data Average of Value

Pretreatment Program Info Database
for Program Name Valdese
WWTP Name Lake Rhodiss
Program Approval Date
Pretreatment Status
Region
County
NPDES Number
NPDES Effective Date
NPDES Expire Date
POTW is Primary WWTP
Design Flow mgd
WWTP SIU's
WWTP CIU's 2
8
date Inactive
08/18/1983
Full
ARO
Burke
NC0041696
02/01/2018
02/28/2021
TRUE
3.5000
Program SIUs
Program ClUs
printed on: 12/3/2020
Stream Information IWC % at 7Q10 2.31
7Q10 Flow cfs / mgd 228.7
1Q10 Flow cfs / mgd 185.60
Stream Classification WS-IV&B-CA
Basin Number CTB31
Receiving Stream Name LAKE RHODHISS
/ 147.74
/ 119.95
Last PAR Rec 02/20/2019
Current Fiscal 08/29/2018
Year PCI Done
Last Audit on 05/07/2019
Design mgd is SIU permitted
18 I
2
Date Next Due
Date Received by DWR
Date Approved
Adopt Date Required
Date Adopted
08/01/2023
05/02/2018
05/30/2018
94.86
12/06/2018
12/12/2018
PAR Due Date 03/01 /2020
Audit Year Nex123/24
Permitted SIU flow (mgd) [Pt_SIU) 3.32
mercury
1631
required
yes
09/30/2020
01/02/2013
01/03/2013
11/05/2012
ERP
10/26/2016
11/29/2016
Info in this Box from Pt Contacts
PT_Pro
g.Prime
Formal Name
Phonel
ext
Fax
Date Date Date
Attended Attended Attended
HWA Wksp IUP Wksp PAR Wksp
Mr. Chris Bortnick
I 11828-879-2131
1828-874-5915 II 1/30/2008 I
11/29/2004
[e-mail]
WWTP Superintendent P.O. Box 339
28690
Candace Cox
(Prim 11828-879-2131
1 I II I
11/29/2019 I
[e-mail]
Pretreatment Coordinator
Pretreatment Related NOVs from DWQ
6-14-1995
3/17/2003
ERP
PAR - no waste reduction info.
DWR Central Office Contact
DWR Regional Contact
Vivien Zhong
Linda Wiggs
J

ECH
Enforcement and
Compliance History Online
Detailed Facility Report
Facility Summary
TOWN OF VALDESE
2100 LAKE RHODHISS DRIVE, VALDESE, NC
28690
FRS (Facility Registry Service) ID: 110018722435
EPA Region: 04
Latitude: 35.775162
Longitude: -81.540797
Locational Data Source: FRS
Industry:
Indian Country: N
Enforcement and Compliance Summary
Statute
Insp (5 Years)
Date of Last Inspection
Current Compliance Status
Qtrs with NC (of 12)
Qtrs with Significant Violation
Informal Enforcement Actions (5 years)
Formal Enforcement Actions (5 years)
Penalties from Formal Enforcement Actions (5 years)
EPA Cases (5 years)
Penalties from EPA Cases (5 years)
Statute
Insp (5 Years)
Date of Last Inspection
CAA
CWA
9
07/29/2020
Qtrs with NC (of 12)
Qtrs with Significant Violation
Informal Enforcement Actions (5 years)
Formal Enforcement Actions (5 years)
Penalties from Formal Enforcement Actions (5 years)
EPA Cases (5 years)
Penalties from EPA Cases (5 years)
12
3
$8,353

Regulatory Information
Clean Air Act (CAA): No Information
Clean Water Act (CWA): Minor, Permit Effective (NCL041696), Minor, Permit Effective (NCG110072), Major, Permit
Effective (NC0041696)
Resource Conservation and Recovery Act (RCRA): No Information
Safe Drinking Water Act (SDWA): No Information
Other Regulatory Reports
Air Emissions Inventory (EIS): No Information
Greenhouse Gas Emissions (eGGRT): No Information
Toxic Releases (TRI): No Information
Compliance and Emissions Data Reporting Interface (CEDRI): No Information
Known Data Problems
Facility/System Characteristics
Facility/System Characteristics
System
Statute
Identifier
Universe
Status
Areas
Permit Expiration Date
Indian Country
Latitude Longitude
FRS
110018722435
N
35.775162
-81.540797
RMP
CAA
100000004719
ACTIVE
N
ICIS-NPDES
CWA
NCL041696
Minor: Associated Permit Record
Effective
Biosolids
12/31/2020
N
35.775162
-81.540797
ICIS-NPDES
CWA
NCG110072
Minor: General Permit Covered Facility
Effective
05/31/2023
N
35.7775
-81.546389
ICIS-NPDES
CWA
NC0041696
Major: NPDES Individual Permit
Effective
Biosolids, POTW, Pretreatment
02/28/2021
N
35.7775
-81.546389
Facility Address
System
Statute Identifier
Facility Name
Facility Address
FRS
110018722435
TOWN OF VALDESE
2100 LAKE RHODHISS DRIVE, VALDESE, NC 28690
RMP
CAA
100000004719
TOWN OF VALDESE WASTEWATER TREATMENT PLANT
2100 LAKE RHODHISS DRIVE, VALDESE, NC 28690
ICIS-NPDES
CWA
NCL041696
TOWN OF VALDESE
PO BOX 339, VALDESE, NC 28690
ICIS-NPDES
CWA
NCG110072
LAKE RHODHISS WWTP
2100 LAKE RHODHISS DR, VALDESE, NC 28690
ICIS-NPDES
CWA
NC0041696
LAKE RHODHISS WWTP
2100 LAKE RHODHISS DR, VALDESE, NC 28690
Facility SIC (Standard Industrial Classification) Codes Facility NAICS (North American Industry
Classification System) Codes
NAICS Code
System
Identifier
SIC Code
SIC Description
ICIS-NPDES
NC0041696
4952
Sewerage Systems
NPDES
NC0041696
4952
Sewerage Systems
ICIS-NPDES
NCG110072
4952
Sewerage Systems
NPDES
NCG110072
4952
Sewerage Systems
Facility Industrial Effluent Guidelines
System Identifier
RMP I 100000004719
22132
NAICS Description
Sewage Treatment Facilities
Facility Tribe Information
Reservation Name
Tribe Name EPA Tribal ID
No data records retumed
Distance to Tribe (miles)
Identifier
NC0041696
Effluent Guideline (40 CFR Part) Effluent Guideline Description
401
General provisions
NCG110072
401
General provisions

Enforcement and Compliance
Compliance Monitoring History (5 years)
Statute
Source ID
System
Activity Type Compliance Monitoring Type
Lead Agency
Date
Finding (if applicable) Deficiencies Found During Biosolids Inspection
CWA
NC0041696
ICIS-NPDES
Inspection/Evaluation
Base Program -Evaluation
State
07/29/2020
CWA
NC0041696
ICIS-NPDES
Inspection/Evaluation
Pretreatment - Audit
State
05/07/2019
CWA
NC0041696
ICIS-NPDES
Inspection/Evaluation
Base Program - Audit
State
05/07/2019
CWA
NC0041696
ICIS-NPDES
Inspection/Evaluation
Base Program -Evaluation
State
08/29/2018
CWA
NC0041696
ICIS-NPDES
Inspection/Evaluation
Base Program -Evaluation
State
04/17/2018
CWA
NC0041696
ICIS-NPDES
I pectior✓Evolwnion
Bore Program - Reconrxnssrmce without Su piing
S4ne
04/25i2017
CWA
NC0041696
ICIS-NPDES
Inspection/Evaluation
Base Program - Audit
State
07/13/2016
CWA
NC0041696
ICIS-NPDES
Inspection/Evaluation
Pretreatment - Audit
State
07/13/2016
CWA
NC0041696
ICIS-NPDES
Inspection/Evaluation
Pretreatment- Audit (IL/
State
07/13/2016
CWA
NC0041696
ICIS-NPDES
Inspection/Evaluation
Base Program - Biomonitoring
State
07/12/2016
CWA
NCG110072
ICIS-NPDES
Inspection/Evaluation
Base Program -Evaluation
State
06/25/2020
Entries in italics are not counted in EPA compliance monitoring strategies or annual results.
Compliance Summary Data
Statute
Current SNC (Significant NoncomplianceLFIPV (High Priority Violation)
Current As Of
Qtrs with NC (Noncompliance) (of 12)
Data Last Refreshed
CWA
NCL041696
No
06/30/2020
0
11/06/2020
CWA
NCG110072
No
06/30/2020
0
11/06/2020
CWA
NC0041696
Yes
06/30/2020
12
11/06/2020
Three -Year Compliance History by Quarter
StatuF Program/Pollutant/ViolationType QTR 1
QTR 2 QTR 3
QTR 4
QTRS 1 QTR6
QTR 7
QTR 8
QTR 9 QTR 10
QTR 11
QTR 12
QTR 13+
CWA (Source ID: NCL041696) 07/01-09/30/17
Facility -Level Status
Quarterly Noncompliance Report History
CWA (Source ID: NCG110072)
10/01-12/31/17 01/01-03/31/18
04/01-06/30/18
07/01-09/30/18 1 10/01-12/31/18
01/01-03/31/19
04/01-06/30/19
07/01- 10/01-
09/30/19 12/31/19
01/01-
03/31/20
04/01-06/30/20
07/01-11/06/20
-1111111-
N No Violation No NoM ation Undetermined
Idea re Identified Identi rec c en rec c en re Identi re c en rec c en rec entified Identified ten 1et ten et
07/01-09/30/17 10/01-12/31/17 01/01-03/31/18 04/01-06/30/18 07/01-09/30/18 10/01-12/31/18 01/01-03/31/19 04/01-06/30/19 07/01- 10/01- 01/01-
09/30/19 12/31/19 03/31/20
04/01-06/30/20 07/01-11/06/20
Facility
-Level
Status
1olation
'fled
No Violation
Identified
No Violation
Identified
No Violation
�'fled
No Violation
Identifie,
No Violation No Violation
Ides' i i i
No Violation
Identified
No Violation
Identified
No
Molation
Identified
No Violation
Identified
No Violation
Identifie, d
Quarterly Noncompliance Report History
CWA (Source ID: NC0041696)
Facility -Level Status
07/01-09/30/17
10/01-12/31/17 01/01-03/31/18
04/01-06/30/18
07/01-09/30/18
10/01-12/31/18 01/01-03/31/19
04/01-06/30/19
/0/1
09/30/19
12/31/19
Ol/Ol-
03/31/20
04/01-06/30/20 07/01-11/06/20
on
Identified
Violation
Identified
Viol , ,
Identified
Identified
Violation
Identified
Viol , •
Identified Id:
Violation
Identified
Violation
Identified
Violation
Identified
MIR
Identified
Quarterly Noncompliance Report History
Reportable
Noncompliance
Reportable
Noncompliance
Reportable
Noncompliance
Reportable
Noncompliance
Reportable
Noncompliance
Reportable Reportable
Noncompliance Noncompliance
Reportable
Noncompliance
Other
Resolved Violation
Other
Violation
Effluent -
Monthly
Average Limit
Pollutant
Drsch
Point
Mon Loc
Freq
CWA
BOD, 5-day, 20
deg' C ©
001 -
M
Effluent
Gross
NMth
7%
CWA
Coliforsn, fecal
MF, MFC broths
44,5 C a
001 -
M
Effluent
Gross
NMth
126%
CWA
Solids, total
suspended 0
O01 M-
Gross
Mthly
77%
457%
45%
CWA
Solids, total
suspended 0
OM
Gross t
NMth
357%
86%
1335%
248%

Statute
Proaam/P Ilutant/Violation T
TR 1
TR 2
TR 3
TR 4 OTR 5 OTR 6 OTR 7 OTR 8
TR 9
TR 10
TR 11
TR 12
TR 13+
CWA
pH co001
-
M
Effluent
Gross
NMtu
LIMIT
VIOLATION
CWA
pH 0
001 -
M
Effluent
Gross
Neither
LIMIT
VIOLATION
LIMIT
VIOLATION
Single Event Violations
NPDES
Violation
ID
Agency
CWA
Permit Violations -
Unapproved Operation
3626674770
State
04/25/2017
....p,
....p,
Informal Enforcement Actions (5 Years)
Statute
System
Type of Action
Lead Agency
Date
CWA
ICIS-NPDES
NC0041696
Base Program - Notice of Violation
State
07/14/2020
CWA
ICIS-NPDES
NC0041696
Base Program - Notice of Violation
State
04/24/2020
CWA
ICIS-NPDES
NC0041696
Base Program - Notice of Violation
State
08/15/2019
CWA
ICIS-NPDES
NC0041696
Base Program - Notice of Violation
State
07/05/2018
CWA
ICIS-NPDES
NC0041696
Base Program - Notice of Violation
State
04/09/2018
CWA
ICIS-NPDES
NC0041696
Base Program - Notice of Violation
State
06/16/2017
CWA
ICIS-NPDES
NC0041696
Base Program - Notice of Violation
State
05/24/2017
CWA
ICIS-NPDES
NC0041696
Base Program - Notice of Violation
State
05/17/2017
Entries in italics are not counted as "informal enforcement actions" in EPA policies pertaining to enforcement response tools.
Formal Enforcement Actions (5 Years)
Statute
System
Law/Section
Source ID
Action Type
Case No.
Lead Agency
State
Case Name
Issued/Filed Date
Settlements/Actions
1
Settlement/Action Date Federal Penalty
State/Local Penalty
SEP Cost
$0
Comp Action Cost
$0
CWA
ICIS-NPDES
OTHER
NPDES/NC0041696
Administrative - Formal
NC-LV-2018-0173
Town of Valdese
08/01/2018
08/01/2018
$0
$2,119
CWA
ICIS-NPDES
OTHER
NPDES/NC0041696
Administrative - Formal
NC-LV-2017-0222
State
Town of Valdese
07/17/2017
1
07/17/2017
$0
$2,617
$0
$0
CWA
ICIS-NPDES
OTHER
NPDES/NC0041696
Administrative - Formal
NC-LV-2017-0173
State
Town of Valdese
06/21/2017
1
06/21/2017
$0
$3,617
$0
$0
Environmental Conditions
Watershed(s)
12-Digit WBD (Watershed Boundary Dataset) HUC WBD (Watershed Boundary Dataset) Subwatershed State Water Body Name (ICIS (Integrated Beach Closures
_ (RAD (Reach Address Database)) Name (RAD (Reach Address Database)) 1 Compliance Information System)) Within Last Year
030501010801 I McGalliard Creek-Rhodhiss Lake I CATAWBA RIVER (RHODHISS LAKE
BELOW ELEVATION 995
No
Beach Closures Within
Last Two Years
No
Pollutants Potentially Watershed with ESA (Endangered Species
Related to Impairment
Act) -listed Aquatic Species?
Yes
Assessed Waters From Latest State Submission (ATTAINS)
State Report Cycle Assessment Unit ID
NC 2016 NC11-(37)
Assessment Unit Name
CATAWBA RIVER (Rhodhiss Lake below elevation 995)
Water Condition Cause Groups Impaired Drinking Water Use
Good - With Restoration Plan
Aquatic Life
Fish Consumption Use
Recreation Use
Fully Supporting
Fully Supporting
Other Use
Air Quality Nonattainment Areas
Pollutant
Within Nonattainment Status Area? Nonattainment Status Applicable Standard(s) Within Maintenance Status Area? Maintenance Status Applicable Standard(s)
No data records retumed
Pollutants
Toxics Release Inventory History of Reported Chemicals Released in Pounds per Year at Site

TRI Facility ID Year Total Air Emissions Surface Water Discharges 011Site Transfers to POTWs (Publicly Owned Treatment Woks) Underground Injections Releases to Land Total On -site Releases Total Oft -site Transfers
No data records retumed
Toxics Release Inventory Total Releases and Transfers in Pounds by Chemical and Year
Chemical Name
No data records retumed
Demographic Profile
EJSCREEN EJ Indexes
Eleven primary environmental justice (EJ) indexes of EJSCREEN, EPA's screening tool for EJ concerns. EPA uses these
indexes to identify geographic areas that may warrant further consideration or analysis for potential EJ concerns. The
index values below are for the Census block group in which the facility is located. Note that use of these indexes does not
designate an area as an "EJ community" or "EJ facility." EJSCREEN provides screening level indicators, not a
determination of the existence or absence of EJ concerns. For more information, see the EJSCREEN home page.
Census Block Group EJ Indexes (percentile) Number of EJ Indexes Above 80th Percentile
Particulate Matter (PM 2.5) 36.4
Ozone NATA Diesel PM 39.1
NATA Air Toxics Cancer Risk 36
NATA Respiratory Hazard Index (HI) 36
Traffic Proximity 40.9
Lead Paint Indicator 18
Superfund Proximity 48.5
Risk Management Plan (RMP) Proximity 9.5
Hazardous Waste Proximity 24.1
rNastewater Discharge Proximity 24
Demographic Profile of Surrounding Area (3 Miles)
View EJSCREEN Report
This section provides demographic information regarding the community surrounding the facility. ECHO compliance data
alone are not sufficient to determine whether violations at a particular facility had negative impacts on public health or the
environment. Statistics are based upon the 2010 U.S. Census and 2006-2010 American Community Survey 5-Year
Summary and are accurate to the extent that the facility latitude and longitude listed below are correct. EPA's spatial
processing methodology considers the overlap between the selected radii and the census blocks (for U.S. Census
demographics) and census block groups (for ACS demographics) in determining the demographics surrounding the
facility. For more detail about this methodology, see the DFR Data Dictionary.
General Statistics
Total Persons 10,030
Population Density 377/sq.mi.
Percent Minority 8%
Households in Area 4,176
Housing Units in Area 4,618
Households on Public Assistance 37
Persons Below Poverty Level 3,505
Geography
Radius of Selected Area
3 mi.
Center Latitude 35.775162
Age Breakdown- Persons (%)
Children 5 years and younger
Minors 17 years and younger
Adults 18 years and older
Seniors 65 years and older
506 (5%)
2,140 (217/a)
7,889 (79%)
1,840 (18%)
Race Breakdown - Persons (%)
White
African -American
Hispanic -Origin
Asian/Pacific Islander
American Indian
9,314 (93%)
247 (2%)
205 (2%)
251 (3%)
24 (0%)

Geography
Race Breakdown- Persons (%)
Other/Multiracial 194 (2%)
Education Level (Persons 25 & older) -Persons (%)
Center Longitude -81.540797
Land Area 95%
Water Area 5%
Income Breakdown - Households (%)
Less than $15 000 650 (16.79%
$15,000 - $25,000 506 (13.07%)
$25,000 - $50,000 1,025 (26.47%)
$50,000 - $75,000 850 (21.95° )
Greater than $75,000 841 (21.72%
Less than 9th Grade
9th through 12th Grade
High School Diploma
Some College/2-year
B.S./B.A. (Bachelor of Science/Bachelor of Arts) or More
701 (9.86%)
1,070 (15.06%)
2,130 (29.97%)
1,965 (27.65%)
1,240 (17.45%)

VIOLATION ACTT
CALCULK % OVE VIOLATION TYPE
FREQUEN UNIT LIMIT
VIOLATIONC PARAMETER
d
m
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
d
0
U
Q
0
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-o
a)
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a)
a)
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c6
2
0
O
O
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O
O
co
O
O
O
O
co
N
0
ao
O
O
O
O
M
co
O
O
O
O
co
N
0 0
co
O
O
O
O
O
co
O
O
O
O
co
N
O
O
O
O
M
co
O
O
O
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co
N
0 0 0 0 0 0
�N71-rr(O
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O
O
O
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N
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co
N
O
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N
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co
N
O
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co
N
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N
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121 0
r
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O
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co
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co co co co
121121121121
rn
N
O
O
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co
O
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N
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co
O
O
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O
co
N
O
O
O
O
O
co
O
O
O
O
co
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ROY COOPER
Governor
MICHAEL S. REGAN
Secretory
S. DANIEL SMITH
Director
Town of Valdese
Attn: Seth Echard, Town Manager
Po 339
Valdese, NC 28690
Subject: Permit Renewal
Application No. NC0041696
Lake Rhodhiss WWTP
Burke County
Dear Applicant:
STATE 4*.
NORTH CAROLINA
Environmental Quality
August 17, 2020
The Water Quality Permitting Section acknowledges the August 12, 2020 receipt of your permit renewal application and
supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW permitting
branch. Per G.S. 150E-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq. nc.gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
cc: Chris Bortnick-Town of Valdese
ec: WQPS Laserfiche File w/application
Sincerely,
MAL
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
North Caroiin& Department of Environment* Queity I D'vson of Water Resoi roes
Ashevle Regan* Off.oe 12090 U.S. 70 Hghaay I Sw•annanoa, North Cero • ne 28778
828-296-4500

Histories TOWN OF VA L D E S E
• NORTH CAROLINA'S FRIENDLY TOWN
VALDESE
August 3, 2020
Dear Permit Writer:
P.O.BOX 339
VALDESE, NORTH CAROLINA 28690-0339
PHONE [phone] I FAX [phone] I TOWNOFVALDESE.COM
RECEIVED
AUG 1.2 2010
NCDEO/DWR/NPDES
Permit # NC0041696
The Town of Valdese is formally requesting renewal of NPDES Permit # NC0041696,
for the Lake Rhodhiss WWTP. Since the last permit renewal, a Vortex grit collection
system has been installed, replacing the old "chain and bucket" system. The performance
of this equipment has been excellent and makes the grit collection process cleaner. There
are no plans for upgrades in the near future, other than replacing the back -drives on the
centrifuges with DC motors (current eddy brakes are obsolete and costly to repair). Also
included with this letter are one signed original and two copies of EPA Form 2A
application (copies are double -sided to save paper). A narrative of the Biosolids
management plan is included as requested.
In conjunction with the renewal, the Town of Valdese asks that language be included in
the new permit in regards to TRC Compliance Level change to 50ug/l. This would
replace the addendum dated May 1, 2008 from DWQ. The Town would also like to
request that the 3 permitted tiers remain in effect (3.5, 7.5 and 10.5 MGD), as with the
previous permit cycle. Additionally, the Town would like to request the complete
removal of the upstream and downstream sampling requirements. These samples have no
scientific usefulness, are samples collected from shorelines and from my understanding
are not utilized by the State in anyway. The sampling basically equates to wasted
resources (gas, labor, paper and money) and these are the type of things the State and all
government agencies need to be aware of, even more so in these hard economic times.
Furthermore, based on current permit results, the Town believes that Ammonia
monitoring frequency should be decreased from daily to weekly on all permitted tiers.
If there is any other information that is needed please contact us. The staff and I will be
happy to assist with any questions or data that the State needs.
Chris Bortnick
Wastewater Superintendent
828-879-2131
cbortnick(a)valdesenc.gov

Permit # WQ0001990
Biosolids Management Plan
Solids generated at the Lake Rhodhiss Wastewater Treatment Plant are thickened in two
gravity thickeners and then centrifuged. The solids cake is trucked to the onsite compost
area where they are blended with bulking agents (ground limbs, wood chips, and leaves).
Windrows are then created from the blend. The windrows are aerated a minimum of 14
days, where temperatures are monitored and recorded. Each windrow must be over 40
degrees Celsius, with an average temperature of 45 degrees Celsius, and have 3
consecutive days of temperature of 55 degrees Celsius or higher. Once these
requirements are met, the windrows are broken down and placed in a static pile for an
additional 30 days of curing. The composting area is large enough to hold 8 windrows,
storage for approximately a year's worth of product, as well as storage for bulking agent
and a mixing area.
The compost produced at the plant is Class A Bio-solids and is given away to the public
with an information pamphlet. Before any piles / windrows are released, bacterial testing
is performed to ensure that it meets the Class A designation and a "residuals" analysis is
conducted on quarterly basis (permit specified). Composted solids not meeting any of the
above requirements are re -introduced into the composting process. Solids collected from
the grit chambers and bar screens are conveyed directly into a dumpster and hauled to the
landfill by a third party (GDS).

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
Form
2A
NPDES
aEPA
U.S. Environmental Protection Agency
Application for NPDES Permit to Discharge Wastewater
NEW AND EXISTING PUBLICLY OWNED TREATMENT WORKS
Facility Information
N 1. BASIC
APPLICATION INFORMATION FOR ALL APPLICANTS (40 CFR 122.21(j)(1) and (9))
1.1
Facility name
Lake Rhodhiss Wastewater Treatment Plant
Mailing address (street or P.O. box)
PO Box 339
City or town
Valdese
State
NC
ZIP code
28690
Contact name (first and last)
Chris Bortnick
Title
Wastewater Superintendent
Phone number
[phone]
Email address
[e-mail]
Location address (street, route number, or other specific identifier) ❑ Same as mailing address
2100 Lake Rhodhiss Drive
City or town
Valdese
State
NC
ZIP code
28690
1.2
Is this application for a facility that has yet to commence
❑ Yes 3 See instructions on data submission
requirements for new dischargers.
discharge?
RECEIVED
✓ No
Applicant Information
1.3
Is applicant different from entity listed under Rem 1.1
❑ Yes
above?
AUG 12 2020
Item 1.4.
✓ No -4 SKIP to
Applicant name NCDEU/UWR/NPDE;
Applicant address (street or P.O. box)
City or town
State
ZIP code
Contact name (first and last)
Title
Phone number
Email address
1.4
Is the applicant the facility's owner, operator,
❑ Owner
or both?
(Check only one response.)
❑ Both
✓ Operator
1.5
To which entity
should the NPDES permitting authority send correspondence? (Check only one response.)
❑ Applicant ❑ Facility and applicant
(they are one and the same)
✓ Facility
Existing Environmental Permits
1.6
Indicate below any existing environmental permits. (Check all that apply and print or type the corresponding permit
number for each.)
Existing Environmental Permits
✓ NPDES
(discharges to surface
■ RCRA
(hazardous waste)
❑ UIC (underground injection
control)
water)
NC0041696
❑ PSD (air emissions)
❑ Nonattainment program (CAA)
❑
NESHAPs (CAA)
❑ Ocean dumping (MPRSA)
❑ Dredge or fill (CWA Section
404)
✓
Other (specify)
WQ0001990 Class A Residua
NCG110000 Stormwater
EPA Form 3510-2A (Revised 3-19)
Page 1

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
W
Lake Rhodhiss WTP
Form Approved 03/05/19
OMB No. 2040-0004
Collection System and Population Served
1.7
Provide the collection system information requested below for the treatment works.
Municipality
Served
Population
Served
Collection System Type
(indicate percentage)
Ownership Status
100 % separate sanitary sewer
0 Own 0 Maintain
Town of Valdese
4500
% combined storm and sanitary sewer
0 Own 0 Maintain
❑ Unknown
❑ Own 0 Maintain
100 % separate sanitary sewer
0 Own 0 Maintain
Town of Drexel
1900
% combined storm and sanitary sewer
0 Own 0 Maintain
❑ Unknown
0 Own 0 Maintain
100 % separate sanitary sewer
0 Own 0 Maintain
Town of
1300
% combined storm and sanitary sewer
0 Own 0 Maintain
Rutherford
0 Unknown
0 Own 0 Maintain
100 % separate sanitary sewer
0 Own 0 Maintain
Burke County
300
% combined storm and sanitary sewer
0 Own 0 Maintain
❑ Unknown
0 Own 0 Maintain
Total
Population
Served
8000
Separate Sanitary Sewer System
Combined Storm and
Sanitary Sewer
Total percentage of each type of
sewer line (in miles)
100
Indian Country
1.8
Is the treatment works located in Indian
❑ Yes
Country?
I
No
1.9
Does the facility discharge to a receiving
❑ Yes
water that flows through
I
Indian Country?
No
Design and Actual
Flow Rates
1.10
Provide design and actual flow rates
in the designated spaces.
Design Flow Rate
7.5 mgd
Annual Average Flow Rates (Actual)
Two Years Ago
Last Year
This Year
1.92 mgd
2.53 mgd
2.05 mgd
Maximum Daily Flow Rates (Actual)
Two Years Ago
Last Year
This Year
9.09 mgd
9.04 mgd
14.7 mgd
Discharge Points
by Type
1.11
Provide the total number of effluent discharge points to waters of the United States by type.
Total Number of Effluent Discharge Points by Type
Treated Effluent
Untreated Effluent
Combined Sewer
Overflows
Bypasses
Constructed
Emergency
Overflows
1
EPA Form 3510-2A (Revised 3-19)
Page 2

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
Outfalls and Other Discharge or Disposal Methods
Outfalls Other Than to Waters of the United States
1.12
Does the POTW discharge wastewater to basins, ponds,
discharge to waters of the United States?
❑ Yes
or other
surface impoundments that do not have outlets for
SKIP to Item 1.14.
✓ No -4
1.13
Provide the location of each surface impoundment and associated discharge information in the table below.
Surface Impoundment Location and Discharge Data
Location
Average Daily Volume
Discharged to Surface
Impoundment
Continuous or Intermittent
(check one)
gpd
❑ Continuous
❑ Intermittent
gpd
❑ Continuous
❑ Intermittent
gpd
0 Continuous
0 Intermittent
1.14
Is wastewater applied to land?
❑ Yes
✓ No4SKIPtoItem1.16.
1.15
Provide the land application site and discharge data requested below.
Land Application Site and Discharge Data
Location
Size
Average DailyVolume
Applied
Continuous or
Intermittent
(check one)
acresgpd
0 Continuous
0 Intermittent
acres
d
gip"'
0 Continuous
❑ Intermittent
acres
gPd
0 Continuous
❑ Intermittent
1.16
Is effluent transported to another facility for
❑ Yes
treatment prior to
discharge?
4 SKIP to Item 1.21.
!i No
1.17
Describe the means by which the effluent is transported (e.g., tank truck, pipe).
1.18
Is the
❑
effluent transported by a party other than the applicant?
Yes ❑ No 4 SKIP to Item 1.20.
1.19
Provide information on the transporter below.
Transporter Data
Entity name
Mailing address (street or P.O. box)
City or town
State
ZIP code
Contact name (first and last)
Title
Phone number
Email address
EPA Form 3510-2A (Revised 3-19)
Page 3

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
Outfalls and Other Discharge or Disposal Methods Continued
1.20
In the table below, indicate the name, address, contact information, NPDES number, and average daily flow rate of the
receiving facility.
Receiving Facility Data
Facility name Mailing address (street or P.O. box)
City or town
State
ZIP code
Contact name (first and last)
Title
Phone number
Email address
NPDES number of receiving facility (if any) 0 None
Average daily flow rate mgd
1.21
Is the wastewater disposed of in a manner other than
have outlets to waters of the United States (e.g., underground
❑ Yes
✓
those already mentioned in Items 1.14 through 1.21 that do not
percolation, underground injection)?
No 4 SKIP to Item 1.23.
1.22
Provide information in the table below on these other disposal methods.
Information on Other Disposal Methods
Disposal
Method
Description
Location of
Disposal Site
Size of
Disposal Site
Annual Average
Daily Discharge
Volume
Continuous or Intermittent
(check one)
acresgpd
❑ Continuous
❑ Intermittent
acresgpd
❑ Continuous
❑ Intermittent
acresgpd
❑ Continuous
❑ Intermittent
Variance
Requests
1.23
Do
Consult
•
1
you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(n)? (Check all that apply.
with your NPDES permitting authority to determine what information needs to be submitted and when.)
Discharges into marine waters (CWA ❑ Water quality related effluent limitation (CWA Section
Section 301(h)) 302(b)(2))
Not applicable
Contractor Information
1.24
Are any operational or maintenance aspects (related to
the responsibility of a contractor?
❑ Yes 1
wastewater treatment and effluent quality) of the treatment works
No +SKIP to Section 2.
1.25
Provide location and contact information for each contractor in addition to a description of the contractor's operational
and maintenance responsibilities.
Contractor Information
Contractor 1
Contractor 2
Contractor 3
Contractor name
(company name)
Mailing address
(street or P.O. box)
City, state, and ZIP
code
Contact name (first and
last)
Phone number
Email address
Operational and
maintenance
responsibilities of
contractor
EPA Form 3510-2A (Revised 3-19)
Page 4

EPA
SECTION
Identification Number
2. ADDITIONAL INFORMATION
Outfalls to Waters of
NPDES Permit Number Facility Name
NC0041696 Lake Rhodhiss WWTP
(40 CFR 122.21(j)(1) and (2))
the United States
Form Approved 03/05/19
OMB No. 2040-0004
c
o
2.1
Does the treatment works have a design flow greater than or equal to 0.1 mgd?
1 Yes ❑ No -4 SKIP to Section 3.
Inflow and Infiltration
2.2
Provide the treatment works' current average daily volume of inflow
Average Daily Volume of Inflow and Infiltration
and infiltration.
o - 5,00li gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
Repairs have been made to collection system sub -basin, previously identified in I & I Study. Continued inspections to
identify trouble areas and remedy, per findings.
Topographic
Map
2.3
Have
specific
✓
you attached a topographic map to this application that contains all the required information? (See instructions for
requirements.)
Yes ❑ No
Flow
Diagram
2.4
Have
(See
1
you attached a process flow diagram or schematic to this application that contains all the required information?
instructions for specific requirements.)
Yes ❑ No
Scheduled Improvements and Schedules of Implementation
2.5
Are improvements to the facility scheduled?
❑ Yes
1
No 4 SKIP to Section 3.
Briefly list and describe the scheduled improvements.
1.
2.
3.
4.
2.6
Provide scheduled or actual dates of completion for improvements.
Scheduled or Actual Dates of Completion for Improvements
Scheduled
Improvement
(from above)
Affected
Outfalls
(list outfall
number)
Begin
Construction
(MM/DD/YYYY)
End
Construction
(MM/DD/YYYY)
Begin
Discharge
(MM/DDIYYYY)
Attainment of
Operational
Level
(MM/DD/YYYY)
1.
2.
3.
4.
2.7
Have appropriate permits/clearances concerning other federal/state requirements
response.
❑ Yes ❑ No
been obtained? Briefly explain your
■ None required or applicable
Explanation:
EPA Form 3510-2A (Revised 3-19)
Page 5

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
SECTION
3. INFORMATION
ON
EFFLUENT DISCHARGES (40 CFR
122.21(j)(3)
to (5))
to
m
3
0
w
0
o
Q
v.
a
0
3.1
Provide the following information for each outfall. (Attach additional
sheets if you have more than three outfalls.)
Outfall Number o01
Outfall Number
Outfall Number
State
North Carolina
County
Burke
City or town
Valdese
Distance from shore
ft.
ft.
ft.
Depth below surface
ft.
ft.
ft.
Average daily flow rate
2.05 mgd
mgd
mgd
Latitude
35" 46' 41"
Longitude
81 32' 25"
o ' "
"
Seasonal or Periodic Discharge Data
3.2
Do any of the outfalls described
❑ Yes
under Item 3.1 have seasonal or
periodic
✓
discharges?
No . SKIP to Item 3.4.
3.3
If so, provide the following information
for each applicable outfall.
Outfall Number
Outfall Number
Outfall Number
Number of times per year
discharge occurs
Average duration of each
discharge (specify units)
Average flow of each
discharge
mgd
mgd
mgd
Months in which discharge
occurs
Diffuser Type
3.4
Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑ Yes
✓
No 4 SKIP to Item 3.6.
3.5
Briefly describe the diffuser type
at each applicable outfall.
Outfall Number
Outfall
Number
Outfall Number
Waters of
the U.S.
3.6
Does
discharge
✓
the treatment works discharge or plan to discharge wastewater
points?
Yes
■
to waters of the United States from one or more
No +SKIP to Section 6.
EPA Form 3510-2A (Revised 3-19)
Page 6

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
Receiving Water Description
3.7
Provide the receiving water and related information (if known) for each outfall.
Outfall
Number 001
Outfall Number
Outfall Number
Receiving water name
Lake Rhodhiss (Catawba River
Name of watershed, river,
or stream system
Upper Catawba
U.S. Soil Conservation
Service 14-digit watershed
code
Name of state
management/river basin
Catawba River Basin
U.S. Geological Survey
8-digit hydrologic
cataloging unit code
03050101
Critical low flow (acute)
228.7 cfs
cfs
cfs
Critical low flow (chronic)
228.7 cfs
cfs
cfs
Total hardness at critical
low flow
mg/L of
CaCO3
mg/L of
CaCO3
mg/L of
CaCO3
Treatment Description
3.8
Provide the following information describing the treatment provided for discharges from each outfall.
Outfall
Number 001
Outfall Number
Outfall Number
Highest Level of
Treatment (check all that
apply per outfall)
0
0
0
0
0
Primary
Equivalent to
secondary
Secondary
Advanced
Other (specify)
❑ Primary
0 Equivalent to
secondary
0 Secondary
0 Advanced
0 Other (specify)
0 Primary
❑ Equivalent to
secondary
0 Secondary
0 Advanced
❑ Other (specify)
Design Removal Rates by
Outfall
BODs or CBOD5
90
TSS
85 %
%
%
Phosphorus
0 Not applicable
80 %
0 Not applicable
0 Not applicable
Nitrogen
I Not applicable
0 Not applicable
0 Not applicable
Other (specify)
Ammonia
0 Not applicable
65
0 Not applicable
0 Not applicable
EPA Form 3510-2A (Revised 3-19)
Page7

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
Treatment Description Continued
3.9
Describe the type of disinfection used for the effluent from each outfall in the table below. If disinfection varies by
season, describe below.
Chlorination and de -chlorination (sulfur dioxide) - gaseous
Outfall Number
Doi
Outfall Number
Outfall Number
Disinfection type
Chlorine
Seasons used
All seasons / annually
Dechlorination used?
❑ Not applicable
❑ Not applicable
❑ Not applicable
✓
Yes
❑ Yes
• Yes
❑ No
❑ No
❑ No
Effluent Testing Data
3.10
Have you completed monitoring for all Table A parameters and attached the results to the app ication package?
✓ Yes
■ No
3.11
Have you conducted any WET tests during the 4.5 years prior to the date of the application on any of the facility's
discharges or on any receiving water near the discharge points?
✓ Yes
• No 4 SKIP to Item 3.13.
3.12
Indicate the number of acute and chronic WET tests conducted since the last permit reissuance of the facility's
discharges by outfall number or of the receiving water near the discharge points.
Outfall Number o01
Outfall Number
Outfall Number
Acute
Chronic
Acute
Chronic
Acute
Chronic
Number of tests of discharge
water
la
Number of tests of receiving
water
3.13
Does the treatment works have a design flow greater than or equal to 0.1 mgd?
✓ Yes ❑ No 4 SKIP to Item 3.16.
3.14
Does the POTW use chlorine for disinfection, use chlorine elsewhere in the treatment process, or otherwise have
reasonable potential to discharge chlorine in its effluent?
1 Yes 4 Complete Table B, including chlorine.
• No 4 Complete Table B, omitting chlorine.
3.15
Have you completed monitoring for all applicable Table B pollutants and attached the results to this application
package?
Yes
■ No
3.16
Does one or more of the following conditions apply?
• The facility has a design flow greater than or equal to 1 mgd.
• The POTW has an approved pretreatment program or is required to develop such a program.
• The NPDES permitting authority has informed the POTW that it must sample for the parameters in Table C, must
sample other additional parameters (Table D), or submit the results of WET tests for acute or chronic toxicity for
each of its discharge outfalls (Table E).
Yes
4 Complete Tables C, D, and E as ❑ No 4 SKIP to Section 4.
applicable.
✓
3.17
Have you completed monitoring for all applicable Table C pollutants and attached the results to this application
package?
✓ Yes ❑ No
3.18
Have you completed monitoring for all applicable Table D pollutants required by your NPDES permitting authority and
attached the results to this application package?
❑ No additional sampling required by NPDES
permitting authority.
✓ Yes
EPA Form 3510-2A (Revised 3-19)
Page 8

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
Industrial Discharges and Hazardous Wastes Effluent Testing Data Continued
3.19
Has the POTW
or (2) at least
conducted either (1) minimum of four quarterly WET tests for one year preceding this permit application
four annual WET tests in the past 4.5 years?
❑ No 4 Complete tests and Table E and SKIP to
Item 3.26.
Igl Yes
3.20
Have you previously
submitted the results of the above tests to your NPDES permitting authority?
No 4 Provide results in Table E and SKIP to
❑ Item 3.26.
✓ Yes
3.21
Indicate the dates the data were submitted to your NPDES permitting authority and provide a summary of the results.
Date(s) Submitted
(MM/DDNYYY)
Summary of Results
See Attached Data Summary
3.22
Regardless of how you provided your WET testing data to the
toxicity?
❑ Yes
NPDES permitting authority,
did any of the tests result in
Item 3.26.
✓ No 4 SKIP to
3.23
Describe the cause(s) of the toxicity:
3.24
Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes ❑ No 4 SKIP to Item 3.26.
3.25
Provide details of any toxicity reduction evaluations conducted.
3.26
N 4. INDUSTRIAL
4.1
Have you completed
Table E for all applicable outfalls and attached the results to the application package?
Not applicable because previously submitted
❑ information to the NPDES • •rmittin• authori .
AND HAZARDOUS WASTES (40 CFR 122.21(j)(6) and (7))
receive discharges from SIUs or NSCIUs?
❑ No 4 SKIP to Item 4.7.
✓ Yes
DISCHARGES
Does the POTW
0 Yes
4.2
Indicate the number of SIUs and NSCIUs that discharge to the POTW.
Number of SIUs
Number of NSCIUs
8
2
4.3
Does the POTW
have an approved pretreatment program?
❑ No
✓ Yes
4.4
Have you submitted
identical to that
application or
either of the following to the NPDES permitting authority that contains information substantially
required in Table F: (1) a pretreatment program annual report submitted within one year of the
(2) a pretreatment program?
❑ No 4 SKIP to Item 4.6.
✓ Yes
4.5
Identify the title and date of the annual report or pretreatment program referenced in Item 4.4. SKIP to Item 4.7.
Valdese Lake Rhodhiss Pretreatment Program (PAR) - 02/20/2020 to NCDEQ
4.6
Have you completed
and attached Table F to this application package?
❑ No
✓ Yes
EPA Form 3510-2A (Revised 3-19)
Page 9

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
Industrial Discharges and Hazardous Wastes Continued
4.7
Does the POTW receive, or has it been notified that
regulated as RCRA hazardous wastes pursuant to
❑ Yes
it will receive, by truck, rail, or dedicated
40 CFR 261?
pipe, any wastes that are
4.9.
i No 4 SKIP to Item
4.8
If yes, provide the following information:
Hazardous Waste
Number
Waste Transport Method
(check all that apply)
Annual
Amount of
Waste
Received
Units
❑ Truck
❑ Dedicated pipe
❑ Rail
ll Other (specify)
❑ Truck
❑ Dedicated pipe
❑ Rail
❑ Other (specify)
❑ Truck
❑ Dedicated pipe
❑ Rail
❑ Other (specify)
4.9
Does the POTW receive, or has it been notified that
including those undertaken pursuant to CERCLA and
❑ Yes
it will receive, wastewaters that originate
Sections 3004(7) or 3008(h) of RCRA?
from remedial activities,
5.
i No 4 SKIP to Section
4.10
Does the POTW receive (or expect to receive) less than 15 kilograms per month of non -acute hazardous wastes as
specified in 40 CFR 261.30(d) and 261.33(e)?
❑ Yes 4 SKIP to Section 5. ❑ No
4.11
Have you reported the following information in an attachment to this application: identification and description of the
site(s) or facility(ies) at which the wastewater originates; the identities of the wastewater's hazardous constituents; and
the extent of treatment, if any, the wastewater receives or will receive before entering the POTW?
❑ Yes ❑ No
N 5. COMBINED
SEWER OVERFLOWS (40 CFR 122.21(j)(8))
system?
6.
CSO Map and Diagram
5.1
Does the treatment works have a combined sewer
❑ Yes
IS No 4SKIP to Section
5.2
Have you attached a CSO system map to this application? (See instructions for map requirements.)
❑ Yes ❑ No
5.3
Have you attached a CSO system diagram to this application? (See instructions for diagram requirements.)
❑ Yes ❑ No
EPA Form 3510-2A (Revised 3-19)
Page 10

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
CSO Outfall Description
5.4
For each CSO outfall, provide the following information. (Attach additional sheets as necessary.)
CSO Outfall Number
CSO Outfall Number CSO Outfall Number
City or town
State and ZIP code
County
Latitude
°
° ,-
Longitude
° "
° 0
°
Distance from shore
ft.
ft.
ft.
Depth below surface
ft.
ft.
ft.
CSO Monitoring
5.5
Did the POTW monitor any of the following items in the past year for its CSO outfalls?
CSO Outfall Number
CSO Outfall Number
CSO Outfall Number
Rainfall
■ Yes ■ No
■ Yes • No
■ Yes ■ No
CSO flow volume
• Yes ■ No
• Yes ■ No
• Yes ■ No
CSO pollutant
concentrations
■ Yes • No
■ Yes • No
■ Yes • No
Receiving water quality
■ Yes ■ No
■ Yes • No
• Yes ■ No
CSO frequency
• Yes ■ No
■ Yes ■ No
■ Yes ■ No
Number of storm events
■ Yes ■ No
■ Yes ■ No
■ Yes ■ No
CSO Events in Past Year
5.6
Provide the following information for each of your CSO outfalls.
CSO Outfall Number
CSO Outfall Number
CSO Outfall Number
Number of CSO events in
the past year
events
events
events
Average duration per
event
hours
❑ Actual or 0 Estimated
hours
0 Actual or 0 Estimated
hours
0 Actual or 0 Estimated
Average volume per event
million gallons
❑ Actual or 0 Estimated
million gallons
0 Actual or 0 Estimated
million gallons
0 Actual or 0 Estimated
Minimum rainfall causing
a CSO event in last year
inches of rainfall
0 Actual or 0 Estimated
inches of rainfall
0 Actual or 0 Estimated
inches of rainfall
0 Actual or 0 Estimated
EPA Form 3510-2A (Revised 3-19)
Page 11

EPA Identification Number
NPDES Permit Number
NC0041696
Facility Name
Lake Rhodhiss WWTP
Form Approved 03/05/19
OMB No. 2040-0004
CSO Receiving Waters
Provide the information in the table below for each of your CSO outfalls.
CSO Outfall Number
CSO Outfall Number
CSO Outfall Number
Receiving water name
Name of watershed/
stream system
U.S. Soil Conservation
0 Unknown
0 Unknown
0 Unknown
Service 14-digit
watershed code
(if known)
Name of state
management/river basin
U.S. Geological Survey
0 Unknown
0 Unknown
❑ Unknown
8-Digit Hydrologic Unit
Code (if known)
Description of known
water quality impacts on
receiving stream by CSO
(see instructions for
exam s les
CKLIST AND CERTIFICATION
STATEMENT (40 CFR 122.22(a)
and (d))
Checklist and Certification Statement
6.1
In Column 1 below, mark the sections of Form 2A that you have completed and are submitting
each section, specify in Column 2 any attachments that you are enclosing to alert the permitting
all applicants are required to provide attachments.
with your application. For
authority. Note that not
Column 1
Column 2
✓
Section 1: Basic Application
Information for All Applicants
❑ wl variance request(s) ❑ wl additional attachments
Section 2: Additional
Information
✓
❑
w/ topographic map
wl additional attachments
151
w/ process flow diagram
✓
Section 3: Information on
Effluent Discharges
✓
1
✓
w/ Table A
w/ Table B
w/ Table C
✓
✓
✓
w/ Table D
w/ Table E
w/ additional attachments
✓
Section 4: Industrial
Discharges and Hazardous
Wastes
✓
❑
w/ SIU and NSCIU attachments
w/ additional attachments
✓
w/ Table F
✓
Section 5: Combined Sewer
Overflows
❑
•
w/ CSO map ❑ w/ additional attachments
w/ CSO system diagram
✓
Section 6: Checklist and
Certification Statement
12
w/ attachments
Certification Statement
I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gather and evaluate the information
submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible
for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and
complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine
and imprisonment for knowing violations.
6.2
Name (print or type first and last name)
Seth Eckard
Official title
Town Manager
Signature
Date signed
c(` 1/ Z o
EPA Form 3510-2A (Revised 3-19)
Page 12

Lake Rhodhiss
Wastewater
Treatment Plant
MAP 1 LOCATION MAP
Drexel Quadrangle 1:25000
12

2
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Compost Aeration Blowers
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( '..e . , : ' 0

0utfall Number
O
O
Lake Rhodhiss WWTP
NPDES Permit Number
NC0041696
EPA Identification Number
ML or MDL
(include units)
J
J 0
❑ G
CD
N
J
J O
❑ 0
Cr)
O
2.50 ©ML
MDL
Analytical
Methods
SM 5210 B - 2011
SM 9222 D - 2006
SM 2540 D - 2011
Average Daily Discharge
Number of
Samples
N
rq LID
M
g
41
VD
Units
J
OD
E
CFU/100 ml J
MGD
Lel
_H
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an
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2.17
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N VD
14.5
RS FOR ALL POTWS
Maximum Daily Discharge
Units
J
OD
E
CFU/100 mi
MGD
„AVi
7
a1
V
7
Q)
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mg/L
11
Value
00
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o
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ai
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1
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„if
�n
n
t
ii'
},
Q
IBiochemical oxygen demand
o BOD5 or ❑ CBOD5
(report one)
Fecal coliform
Design flow rate
pH (minimum)
X
(U
=
d
Temperature (winter)
Temperature (summer)
Total suspended solids (TSS)
0
a)
0
E
ca
co
a
c
(a
0
n
0
c
(a
0
a
0
T
CO
a)
t
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a)
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o_
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o (�)
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C C
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• `
(a
EPA Foram 3510-2A (Revised 3-19)

This page intentionally left blank.

Form Approved 03/05/19
OMB No. 2040-0004
Analytical ML or MDL
Methods (include units)
0.5 mg/L0 ML
O MDL
0.020 m :� 0 ML
0 MDL
J
❑0
J
E
.--I
O
0.08 mg/L ©ML
MDL I
J
❑0
\
0a
E
Lf)
O
J
❑0
OD
E
•--/
ML
0.02 mg/L © MDL I
ML
1 mg/L F MDL
m
m
=
Z
i
N
O
N
0O
U
o
SM 4500 O-G-2011
Z
O
Lf)Lel
L
N
Z
o
'1-
G
N
.-4
O
N
co
Li-)
200.7 1994
N
a1
.--I
L.)
N
629
cn
N
to
co
N
tD
m
M
V
32
.1'
JC
E
mg/L
J
E
E
mg/L
\J
E
mg/L
\J
E
EPA Identification Number NPDES Permit Number Facility Name
NC0041696 Lake Rhodhiss WWTP
TABLE B. EFFLUENT PARAMETERS FOR ALL POTWS WITH A FLOW EQUAL TO OR GREATER THA
o
N
N
0.024
to
ai
t`
UD
u !
m
.--I
!�
1.48
1.33
C
.-I
en
J
E
mg/L
mg/L
mg/L
mg/L
J
E
mg/L
J
E
N
Lf1
co
O
N
`1
.-1
N
0
~
4.77
Li"
Ln
Lf)
Ammonia (as N)
IChlorine
(total residual, TRC)2
Dissolved oxygen
INitrate/nitrite
Kjeldahl nitrogen
Oil and grease
IPhosphorus
Total dissolved solids
O
N
a)
a)
E
(a
O_
0
0
0
m
0
0
O
(6
C
m
a)
M
LL
0
a)
0
a)
O
o_
0
C
a)
m
C
a)
0)
Q)
a)
a)
c
0
U
a)
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m
U
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0
O
(6
G
0)
0
0
a)
m
O
m
a)
O
C
a)
m
C
m
en
a)
0
0
0
T
EPA Form 3510-2A (Revised 3-19)

This page intentionally left blank.

Form Approved 03/05/19
OMB No. 2040-0004
Analytical ML or MDL
Method1 (include units)
Metals, Cyanide, and Total Phenols
0.03 mg/L ©ML
MDL
0.01 mg/LML I
MDL
0.01 mg/L 2]ML
MDL
0.001 mOML
©MDL
0.0002 ra ML1
MDL_
0.001 mei ML
© MDL
0.001 mg ML
MDL
0.01 mg/L 0
ML
MDL
1.0 ng/L © ML I
MDL
0.001 mid D ML
MDL
0.01 mg/L 0
ML 1
MDL
0.001 mML
e
MDL
0.02 mg/L ©ML
MDL
0.001 m� 0 ML
MDL
J
J 0J
❑` E
Y
in
o
o
O
- 0.01 mg/L ML
2] MDL
Volatile Organic Compounds J
J
O
❑
O
0
50 ug/L 0ML
MDL
5 ug/L 2J MDL
5 ug/L0 ML
© MDL
N Ql
Ol
.--i
m
o
rn
Q�1
on
N-
0
01
Ql
0
EPA 200.7
EPA 200.8
EPA 200.7
EPA 200.7
EPA 200.8
EPA 1631 E
EPA 200.8
EPA 200.8
200.7 1994
EPA 200.7
200.7 1994
W
Z
V
o
V)
Phenol 420.1
EPA 624
EPA 624
EPA 624
EPA 624
NPDES Permit Number Facility Name Mall Number
NC0041696 Lake Rhodhiss WWTP 001
'S FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge
Number of
Samples _
v
m
d
13
m
m
m
v
m
m
m
Cr,
Cr)
fil
C
mg/L
mg/L
mg/L
mg/L
mg/L
J
00
mg/L
mg/L
J
0000
C
mg/L
mg/L
mg/L
J
00
E
mg/L
mg/L
mg/L
J
00
7
ug/L
ug/L
—I
00
7
Units Value
8:71
00
ry
0.0095
r
a
1 0.00003
in
00
p
O
O
O
O
O
O
s
ti
N
0.0008
r
•
•
0.0722
cn
O
CD
O
O
VI
CD
*
a
r
w
J
00
mg/L
mg/L
J
00
mg/L
J
00
1 mg/L
J\
OD
ng/L
`J
o0
J
0D
J
00
E
mg/L
\J
tl0
E
mg/L
mg/L
ug/L
J
7
J\
Op
7
J
OD
7
0
7 76rr
43.7
0.038
r
0.0004
e-i
mO
Ci
0.058
■
5.25
0.005
•
a
■
0.259
0.012
fy
O
O
•
•
r
EPA Identification Number
TABLE C. EFFLUENT PARAMETE
Pollutant
▪ Hardness (as CaCO3)
Antimony, total recoverable
Arsenic, total recoverable
▪ Beryllium, total recoverable
▪ Cadmium, total recoverable
Chromium, total recoverable
Copper, total recoverable
1.L.ead, total recoverable
Mercury, total recoverable
Nickel, total recoverable
Selenium, total recoverable
Silver, total recoverable
Thallium, total recoverable
Zinc, total recoverable
Cyanide
Total phenolic compounds
0
U
Q
■
Acrylonitrile
▪ Benzene
Bromoform
0
co
* indicates
EPA Form 3510-2A (Revised 3-19)

Form Approved 03/05/19
OMB No. 2040-0004
Analytical ML or MDL
Method1 (include units)
5 ug/L p MDL
ML
5 ug/L 0 MDL
5 ug/L ©ML
MDL
5 ug/LML
MDL
10 ug/L 0ML
MDL
5 ug/L 0ML
MDL
J 0
00
7
u1
5 ug/L 0ML
MDL I
ML
5 ug/L 0 MDL
5 ug/L0 ML
O MDL
J CI
OU
7
ifl
J O
00
7
if)
5 ug/L0 ML
m MDL I
J 0
a
7
t!1
J 0
00
7
tf1
ML
5 ug/L O MDL I
J 0
a
7
tl1
0 ML
5 ug/L 0 MDL
5 ug/L 0ML
MDL
J o
00
7
Ln
5 ug/L 0ML
MDL
5ug/L 0ML
MDL
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
EPA 624
V
Q
V
C
V
V
C
.7
-
V
V
V
V
V
V
V
V
d
V
V
ug/L I
_J
pp
7
\J
pp
7
ug/L
J
3
ug/L 1
ug/L
J\
tIp
7
ug/L
ug/L
J
00
7
ug/L
\J
00
DODDD
\J
t10
_J
00
\J
00
\J
00
ug/L
ug/L
\J
00
7
J
00
7
ug/L
*
*
*
*
*
*
*
*
Maximum Daily Discharge
ug/L
ug/L
ug/L
J
00
7
J
00
7
ug/L
ug/L
--I
00
7
-
--I
OD
7
-
00
7
\J
00
7
--I
00
7
ug/L —
ug/L
--I
00
DDDD
\J
G
JJ
OD
J
M
ug/L
J
7
J
7
ug/L
at
•
r
•
•
•
at
•
r
*
*
*
*
*
*
*
it
*
*
*
*
*
▪ Carbon tetrachloride
•Chlorobenzene
Chlorodibromomethane
▪ Chloroethane
▪ 2-chloroethylvinyl ether
O
0
O
t
■
Dichlorobromomethane
▪ 1,1-dichloroethane
0)
C
(d
L
a)
O
0
L
O
.
N
■
▪ trans-1,2-dichloroethylene
▪ 1,1-dichloroethylene
▪ 1,2-dichloropropane
▪ 1,3-dichloropropylene
Ethylbenzene
Methyl bromide
▪ Methyl chloride
Methylene chloride
▪ 1,1,2,2-tetrachloroethane
Tetrachloroethylene
N
C
7
O
i
1,1,1-trichloroethane
1,1,2-trichloroethane
CO
CO
d
•
c
EPA Form 3510-2A (Revised 3-19)

Form Approved 03/05/19
OMB No. 2040-0004
Analytical ML or MDL
Method"' (include units)
J O
000O
J
00
7
111
J O
J
00
7
I!1
Acid -Extractable Compounds
0.01 mg/L 0 ML
m MDL
0.01 mg/L 0 MDL
0.01 mg/L LIML
❑O MDL
0.01 mg/L ML I
0MDL
0.14 mg/L ©ML I
MDL
J 0
00
J
00
E
lD
.-1
O
0.01 mg/L ML
0 MDL
0.08 mg/L ML
0 MDL
0.05 mg/L 0ML
MDL ,
J O
00
J
0c0
C
1--1
0
O
0.01 mg/L O MDL
Base -Neutral Compounds
J O
000000
J
0c0
C
.--1
0
O
J 0
J
C00
G
ri
0
O
J O
J
00
E
ei
0
O
0.17 mg/L 0 MDL
0 ML
0.01 mg/L 0ML I
MDL
J O
00
00
E
ri
0
O
0.02 mg/L 0ML
MDL
EPA 624
EPA 624
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
.--I
U'1
N
l0
Q
0_
W
EPA 625.1
EPA 625.1
.--1
Lfl
N
t0
Q
d
W
EPA 625.1
EPA 625.1
EPA 625.1
x -4
Lri
N
l0
Q
CL
W
EPA 625.1
EPA 625.1
ri
'xi
N
t0
Q
a
EPA 625.1
Facility Name 0utfall Number
ake Rhodhiss WWTP 001
Average Daily Discharge
Number of
Samples
a
v
v
a
v
v
v
v
v
v
v
v
v
v
v
v
v
Units
J
7
J
7
J
£
mg/L
J
£
mg/L
mg/L
mg/L
mg/L
mg/L
mg/L
J
E
mg/L
mg/L
mg/L
J
E
J
C
J
E
mg/L
mg/L
d
7
Units
ug/L
ug/L
mg/L
J
000
C
mg/L
J
0c0
C
mg/L
mg/L
mg/L
mg/L
J
ticc0
C
J
000
C
J
0000
C
--a)
£
J
000
C
mg/L
mg/L
J
000
C
mg/L
mg/L
Cl)
l0
EPA Identification Number
TABLE C. EFFLUENT PARAMETE
Pollutant
CD
C
CD
>.
_c
Q)
O
0
■
■ Vinyl chloride
p-chloro-m-cresol
▪ 2-chlorophenol
2,4-dichlorophenol
▪ 2,4-dimethylphenol
4,6-dinitro-o-cresol
2,4-dinitrophenol
2-nitrophenol
▪ 4-nitrophenol
▪ Pentachlorophenol
o
c
L
d
■
2,4,6-trichlorophenol
Acenaphthene
Acenaphthylene
▪ Anthracene
Benzidine
Benzo(a)anthracene
Benzo(a)pyrene
a)
c
a)
.c
=
fV
0
O
N
c
a)
4
■
0)
a
EPA Form 3510-2A (Revised 3-19)

r

Form Approved 03/05/19
OMB No. 2040-0004
Analytical ML or MDL
Method1 (include units)
J
J O
00
J
E
M
O
O
0.01 mg/L0 ML
0 MDL
0.01 mg/L0 ML
❑O MDL
0.01 mg/L 0ML
MDL
0.01 mg/L ©ML
MDL
J
J O
❑0❑0❑0
J
E
lO
r-1
O
J
J 0
J
E
.-i
O
O
J
J O
J
E
N
O
O
0.01 mg/L 0ML
MDL
0.01 mg/L 0ML
MDL
J
J 0
❑0❑0
J
E
.--1
0
O
J
J 0
J
E
.-1
0
O
0.06 mg/L ML I
0 MDL
0.1 mg/L © ML I
MDL
J
J D
00
J
E
a-1
0
O
0.01 mg/L 0ML
MDL
ML I
0.01 mg/L 0 MDL
0.12 mg/L 0ML I
MDL
J
J 0
00
J
E
c-7
0
O
0.01 mg/L 0ML
MDL I
J
J 0
❑0❑0
J
CO
E
ri
0
O
J
J 0
J
60
E
s-I
O
O
<-1
U1
d
w
.--1
U1
0
w
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
.--1
V)
d
w
EPA 625.1
EPA 625.1
.-4
1f)
a
w
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
.--1
tf)
d
w
Maximum Daily Discharge Average Daily Discharge
Value Units Value Units Number of
Samples
Cr
Cr
Cr
Cr
Cr
Cr
Cr
v
v
v
v
v
v
v
v
Cr
Cr
v
v
v
v
v
mg/L
J
E
J
E
mg/L
mg/L
mg/L
J
EEEE
-I
--I
-IJ
mg/L l
E
mg/L
J
E
--I
-00 -a
-I
E
-IJ
E
mg/L
mg/L
mg/L
E
mg/L
*
*
mg/L
J
00
E
mg/L
mg/L
mg/L
J
00
E
mg/L
J
E
J
M
E
mg/L
mg/L
J
00
EEEE
J
00
J
00
J`
00
mg/L
J
00
E
mg/L
-I
00
E
-I
00
E
J\
40
E
mg/L
*
#
#
*
*
#
*
#
#
#
*
#
*
*
*
#
*
*
#
#
*
■ Benzo(ghi)perylene l
CD
c
�
c
ca
O
7
Y
O
N
O
CO
■
•Bis (2-chloroethoxy) methane
Bis (2-chloroethyl) ether
▪ Bis (2-chloroisopropyl) ether l
Bis (2-ethylhexyl) phthalate
▪ 4-bromophenyl phenyl ether
•Butyl benzyl phthalate
0)
a)
a)
cv
L
1o_
co
0
O
_c
O
cv
■
▪ 4-chlorophenyl phenyl ether
▪ Chrysene
▪ di-n-butyl phthalate
di-n-octyl phthalate
Dibenzo(a,h)anthracene
1,2-dichlorobenzene
▪ 1,3-dichlorobenzene
1,4-dichlorobenzene
3,3-dichlorobenzidine
Diethyl phthalate
Dimethyl phthalate -
2,4-dinitrotoluene
2,6-dinitrotoluene
0
N
a
J
0
CO
W
co
U
-k
EPA Form 3510-2A (Revised 3-19)

Analytical ML or MDL
Method1 (include units)
0.04 mg/L0 ML
O MDL
0.01 mg/L 21ML
0.01 mg/L 0ML
MDL
0.01 mg/L0 ML
0 MDL
J 0
❑o❑o❑o❑o❑©❑a
.-i
0
O
J 0
E
N
<--1
O
J 0
E
.-1
0
O
J 0
EE
N
0
O
J 0
E
eH
0
O
J 0
E
1-'1
0
O
0.01 mg/L ©ML
MDL
0.01 mg/L 0ML
MDL
J O
❑o
E
.--1
0
O
0.01 mg/L 0ML
MDL
0.01 mg/L MDL
J 0
❑©
E
ri
0
O
0.01 mg/L 2 MDL
EPA 625.1
EPA 625.1
EPA 625.1
ui
N
a
w
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
ti
Lri
N
aa.
w
EPA 625.1
EPA 625.1
Lri
N
a
w
EPA 625.1
EPA 625.1
EPA 625.1
EPA 625.1
Average Daily Discharge
Number of
Sa ples
't
v
a
a
v
v
v
v
.7
v
v
v
v
v
v
v
v
Units
GO
E
mg/L
mg/L
mg/L
mg/L
00
E
mg/L
mg/L J
G�
E
mg/L
mg/L
Gnu
E
G�
E
mg/L
GO
E
G�r
E
0000
E
d
Wu
>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Units
mg/L
J
GO
E
mg/L
mg/L
mg/L
J\
00
E
1- mg/L — J
J
GO
E
mg/L
mg/L
mg/L
J
00
E
—I
00
E
—I
0O
E
mg/L
J
CO
E
mg/L
a)
>
` 1,2-diphenylhydrazine
Fluorene
H▪ exachlorobenzene
Hexachlorobutadiene *
Hexachlorocyclo-pentadiene
Hexachloroethane 1
Indeno(1,2,3-cd)pyrene 1
Isophorone 1 *
▪ Nitrobenzene *
Phenanthrene 1
Pyrene
1,2,4-trichlorobenzene
EPA Identification Number
A :1IX4142211114` 111:FI V 141:
Pollutant
c
cu _cO
c
c
o
u_
■
c
L
m
z
■
a)
E
m
0
a
c
O
o
c
z
a)
c
L..
L
a)
E
O
0
c
z
a)
c
COo
a
c
a)
a
O
0
c
z
M0
C)
nV 'J
W
co
U
c
co
d
EPA Form 3510-2A (Revised 3-19)

Annual Monitoring and Pollutant Scan
Permit No. NC0041696
Outfall 001
Month October
Year 2017
Facility Name Lake Rhodhiss WWTP ORC Greg Padgett
Date of sampling October 17, 2017 Phone [phone]
Analytical Laboratory Valdese WWTP Lab, Blue Ridge Labs, Summit Environmental Technologies & Meritech, Inc.
Parameter
Sample
Type
Analytical
Method
Quantiitat€on
Level
Sample
Result
Units of
Measurement
Number of
samples
Ammonia (as N)
Composite
4500NH3D19,
0.5
*
mg/1
1
Dissolved oxygen
Grab
45000G2001
0.1
8.0
mg/1
1
Nitrate + Nitrite
Composite
4500NO3E-20E
0.08
2.62
mg/1
1
Total Kjeldahl nitrogen
Composite
4500NorgB1
0.5
5.32
mg/1
1
Total Phosphorus
Composite
EPA 200.7 -
0.25
0.96
mg/1
1
Total dissolved solids
Composite
SM19 2540C
1
555
mg/1
1
Hardness
Composite
SM19 2340B
0.03
22.5
mg/1
1
Chlorine (total residual, TRC)
Grab
4500C1G200(
0.020
*
mg/1
1
Oil and grease
Grab
SM19 5520B
1
1.2
mg/1
1
Metals (total recoverable), cyanide
and total
phenols
Antimony
Composite
EPA 200.7
0.01
*
mg/1
1
Arsenic
Composite
EPA 200.7
0.01
*
mg/1
1
Beryllium
Composite
EPA 200.7
0.02
*
mg/1
1
Cadmium
Composite
EPA 200.7
0.0002
mg/1
1
Chromium
Composite
EPA 200.7
0.001
*
mg/1
1
Copper
Composite
EPA 200.7
0.001
0.004
mg/1
1
Lead
Composite
EPA 200.7
0.01
*
mg/1
1
Mercury
Grab
EPA 1631
1.0
5.25
ng/1
1
Nickel
+tCmmposite
EPA 200.7
0.001
*
mg/1
1
Selenium
Composite
EPA 200.7
0.01
*
mg/I
1
Silver
Composite
EPA 200.7
0.001
*
mg/1
1
Thallium
Composite
EPA 200.7
0.02
*
mg/1
1
Zinc
Composite
EPA 200.7
0.001
0.114
mg/1
1
Cyanide
Grab
SM19 4500C
0.005
*
mg/1
1
Total phenolic compounds
Grab
EPA 420.1
0.01
0.01
mg/1
1
Volatile organic compounds
Acrolein
Grab
EPA624 Exl
0.05
*
mg/1
1
Acrylonitrile
Grab
EPA624 Exl
0.05
*
mg/1
1
Benzene
Grab
EPA624 Ex
0.005
mg/1
1
Bromoform
Grab
EPA624 Ex(
0.005
*
mg/1
1
Carbon tetrachloride
Grab
EPA624 EN
0.005
*
mg/1
1
Chlorobenzene
Grab
EPA624 Exl
0.005
*
mg/1
1
Chlorodibromomethane
Grab
EPA624 Ext
0.005
*
mg/1
1
Chloroethane
Grab
EPA624 Exl
0.01
*
mg/1
1
2-chloroethylvinyl ether
Grab
EPA624 Ex(
0.01
*
mg/1
1
Chloroform
Grab
EPA624 Exl
0.005
*
mg/1
1
Dichlorobromomethane
Grab
EPA624 Ex1
0.005
*
mg/1
1
1,1-dichloroethane
Grab
EPA624 Ex(
0.005
*
mg/1
1
1,2-dichlorocthanc
Grab
EPA624 Mg
0.005
mg/1
1
Trans-1,2-dichloroethylene
Grab
EPA624 art
0.005
*
mg/1
1
Parameter
Sample
Type
Analytical
Method
Qaantitation
Level
Sample
Result
Units of
Measurement
Number of
samples
Volatile organic compounds (Cont)
1,1-dichloroethylene
Grab
EPA624 Ex(
0.005
mg/1
1
1,2-dichloropropane
Grab
EPA624 Exl
0.005
*
mg/1
1
1,3-dichloropropylene
Grab
EPA624 Exl
0.005
*
mg/1
1
Ethylbenzene
Grab
EPA624 Ex(
0.005
*
mg/1
1
>ldfrab31. k orzaida
1 Cyr )
,EPA624 Eixrigt
o ok, *
, m J h t i
Foam -111 1PPA-11
Fgg

Permit No. NC0041696
Outfall 001
Annual Monitoring and Pollutant Scan
Month October
Methyl chloride
Grab
EPA624 Ex/
0.01
l.. at
mg/1
G J 1 I
Methylene chloride
Grab
EPA624 Ex/
0.005
*
mg/1
1,1,2,2-tetrachloroethane
Grab
EPA624 Ex-/
0.005
*
mg/1
Tetrachloroethylene
Grab
EPA624 Ex/
0.005
*
nag/1
Toluene
Grab
EPA624 Ex/
0.005
mg/1
1,1,1-trichloroethane
Grab
EPA624 E. 0.005
mg/1
1,1,2-trichloroethane
Grab
EPA624 Ex17 0.005
*
mg/1
Trichloroethylene
Grab
EPA624 Exl 0.005
*
mg/I
Vinyl chloride
Grab
EPA624 Ex/ 0.002
*
mg/1
Acid -extractable compounds
P-chloro-m-creso
Grab
EPA 625
0.005
*
mg/1
2-chlorophenol
Grab
EPA 625
0.005
*
mg/1
2,4-dichlorophenol
Grab
EPA 625
0.005
*
mg/1
2,4-dimethylphenol
Grab
EPA 625
0.005
mg/1
4,6-dinitro-o-cresol
Grab
EPA 625
0.005
*
mg/1
2,4-dinitrophenol
Grab
EPA 625
0.005
mg/1
2-nitrophenol
Grab
EPA 625
0.005
*
mg/1
4-nitrophenol
Grab
EPA 625
0.005
*
mg/I
Pentachlorophenol
Grab
EPA 625
0.025
*
mg/1
Phenol
Grab
EPA 625
0.005
*
mg/1
2,4,6-trichlorophenol
Grab
EPA 625
0.005
*
mg/1
Acenaphthene
Acenaphthylene
Anthracene
Benzidine
Benzo(a)anthracene
Benzo(a)pyrene
3,4 benzofluoranthene
Benzo(ghi)perylene
Benzo(k)fluoranthene
Bis (2-chloroethoxy) methane
Bis (2-chloroethyl) ether
Bis (2-chloroisopropyl) ether
Bis (2-ethylhexyl) phthalate
4-bromophenyl phenyl ether
Butyl benzyl phthalate
2-chloronaphthalerie
4-chlorophenyl phenyl ether
Base -neutral compounds (coat
Chrysene
Di-n-butyI phthalate
Di-n-octyl phthalate
Dibenzo(a,h)anthracene
1,2-dichlorobenzene
1,3-dichlorobenzene
1,4-dichlorobenzene
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Sample'
T pc
Grab
Grab
Grab
Grab
Grab
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
Analytical
Method
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
O.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
0.005
Quantitation
Level
0.005
0.005
0.005
0.005
0.005
*
*
*
*
*
*
*
*
*
*
Same
Result
*
*
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/ 1
mg/ 1
mg/1
mg/1
Units of
Measurement
3,3-dichlorobenzidine
Diethyl phthalate
Dimethyl phthalate
2,4-dinitrotoluene
2,6-dinitrotoluene
1,2-diphenylhydrazine
Grab
Grab
Grab
Grab
Grab
Grab
Grab
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
0.005
0.005
0.005
0.005
0.005
0.025
0.005
*
*
*
*
*
Form - DMR- PPA-1
Grab
EPA 625
0.020
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/ 1
Number o;
samples
Page 2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Annual Monitoring and Pollutant Scan
Permit No. NCOO41696
Outfall 001
Month October
Year 2017
Fluoranthene
Grab
EPA 625
0.005
*
mg/1
1
Fluorene
Grab
EPA 625
0.005
*
mg/1
1
Hexachlorobenzene
Grab
EPA 625
0.005
mg/1
1
Hexachlorobutadiene
Grab
EPA 625
0.005
*
mg/1
1
Hexachlorocyclo-pentadiene
Grab
EPA 625
0.005
*
mg/1
1
Hexachloroethane
Grab
EPA 625
0.005
*
mg/1
1
Indeno(1,2,3-cd)pyrene
Grab
EPA 625
0.005
*
mg/1
1
Isophorone
Grab
EPA 625
0.005
*
mg/1
1
Naphthalene
Grab
EPA 625
0.005
*
mg/1
1
Nitrobenzene
Grab
EPA 625
0.005
mg/1
1
N-nitrosodi-n-propylamine
Grab
EPA 625
0.005
*
mg/1
1
N-nitrosodimethylamine
Grab
EPA 625
0.005
*
mg/1
1
N-nitrosodiphenylamine
Grab
EPA 625
0.005
*
mg/1
1
Phenanthrene
Grab
EPA 625
0.005
*
mg/1
1
Pyrene
Grab
EPA 625
0.005
mg/1
1
1,2,4,-trichlorobenzene
Grab
EPA 625
0.005
*
mg/1
1
I certify under penalty of law that this document and all attachments were prepared under my direction
and supervision in accordance with a system to design to assure that qualified personnel properly
gather and evaluate the information submitted. Based on my inquiry of the person or persons that
manage the system, or those persons directly responsible for gathering the information, the
information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am
aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations.
* Denotes that concentrations
are below MQL / DL .
Date
i
)7
Form - DMR- PPA-1 Page 3

Annual Monitoring and Pollutant Scan
Permit No. NC0041696
Outfall 001
Month July
Year 2018
Facility Name Lake Rhodhiss WWTP ORC Greg Padgett
Date of sampling July 17, 2018 Phone [phone]
Analytical Laboratory Valdese WWTP Lab, Blue Ridge Labs, Summit Environmental Technologies 85 Meritech, Inc.
Parameter
Sample
Type _
, Analytical _
Method
Q tan ,
Level _
Sample
Result
Units of
ffierement
Number of
samples
Ammonia las Nj
Composite .
4500NH3D20,
0.5,
*
rng/1
_
1
Dissolved oxygen
Grab
45000G2011
0.1
6.8
mg/1
1
Nitrate
Composite '
EPA 353.3
0.08-
2.79
mg/1
1
Nitrite
Composite
SM19- 4500
0.08
1.42
mg/1
1
Total Kjeldahl nitrogen
Composite
4500-NorgB
0.5
7.42
mg/1
1
Total Phosphorus
Composite
EPA 200.7 -
0.02
0.638
mg/1
1
Total dissolved solids
Composite
2540C-1997
1
483
mg/1
1
Hardness
Composite
2340B-1997
0.03
21.8
mg/1
1
Chlorine jtotalresidnal, TRC)
Grab
4500C1G201:
0.020
0.038
mg/
1
Oil and grease
Grab
y5520B-2001 -
1
1.2
mg/
1
Metals (total recovesublei, eya$ide
and total
phenols
' Antimony -
Composite ,
EPA 200.7 -
0.01-
*
- mg/I-
1
Arsenic
Composite
EPA 200.7
0.01
*
mg/1
1
Beryllium
Composite
EPA 200.7
0.001
*
mg/1
1
Cadmium
Composite
EPA 200.7
0.0002-
*
mg/1
1
Chromium
Composite
EPA 200.7
0.001
*
mg/1
1
Copper
Composite
EPA 200.7
0.001
mg/1
1
Lead
„ Composite
EPA 200.7 -
0.01
*
mg/I
1
Mercury
Grab
EPA 1631
1.0
1.88
ng/1
1
Nickel
Composite
EPA 200.7
0.001
*
mg/1
1
Selenium
Composite
EPA 200.7
0.01
*
mg/1
1
Silver
Composite
EPA 200.7
0.001
*
mg/1
1
Thallium
Composite
EPA 200.7
0.001
*
mg/1
1
Zinc
Composite
EPA 200.7
0.001
*
mg/1
1
Cyanide
Grab
SM19 4500C
0.005
*
mg/1
1
Totalhenolic compounds
- Grab -PA 420 11
0.01
_ _ * ._ _ --
- -- _ --- mg/1
1
Volatile organic compound
Acrolein
Grab ,
EPA624 Ex
0.05
*
.mg/1
1.
Acrylonitrile
Grab
EPA624 Exp
0.05
*
mg/1
1
Benzene
Grab
EPA624 EN
0.005
*
mg/1
1-
Bromoform
Grab
EPA624 Exr
0.005
*
mg/1
1
Carbon tetrachloride
Grab
EPA624 Exp
0.005
*
mg/1
1
Chlorobenzene
Grab
EPA624 EN
0.005
mg/1
1
Chlorodibromomethane
Grab
EPA624 Exl
0.005
*
mg/1
1
Chloroethane
Grab
EPA624 Exr
0.005
*
mg/1
1
2-chloroethylvinyl ether
Grab
EPA624 EN
0.01.
*
mg/1
1
Chloroform
Grab
EPA624 EN
0.005
*
mg/1
1
Dichlorobromomethane
Grab
EPA624 Exr
0.005
*
mg/1
1
1,I-dichloroethane
Grab
EPA624 EN
0.005
*
mg/1
1
1,2-dichloroethane
Grab
EPA624 Exp
0.005
mg/1
1
Trans-1,2-dichloroethylene -
_-_ Grab------
EPA624 EN,
0.005
*
mg/1
...-_---. 1
Parameter
Sample
Type
Analytical
Method
Quanon
Level
sample
Result
,8nits of
Measurement
Number of '
samples
Voiaatile organic congiouads (Cont.)
1,1-dichloroethylene
Grab 1EPA624
Exl
0.005
*
mg/1'
1"
1,2-dichloropropane
Grab
EPA624 Ex'
0.005
mg/I
-- 1
1,3-dichloropropylene
Grab
EPA624 EN
0.005
*
mg/1
_
1
Ethylbenzene
Grab -
EPA624 Exl
0.005
*
mg/1
1
Form - DMR- PPA-1
Page 1

Annual Monitoring and Pollutant Scan
Permit No. NC0041696
Outfall 001
Month
Year
July
2018
Methyl bromide
Grab
EPA624 Ex1
0.005
0.0079 -
mg/1
1
Methyl chloride
Grab
EPA624 Ex1
0.005
mg/1
1
Methylene chloride
Grab
EPA624 Ex1
0.005
*
mg/1
1
1,1,2,2-tetrachloroethane
Grab
EPA624 Ex1
0.005
mg/1
1
Tetrachloroethylene
Grab
EPA624 Ex1
0.005
*
mg/1
1
Toluene
Grab
EPA624 Ex1
0.005
*
rug/1
1
1,I,I-trichloroethane
Grab
EPA624 Ex1
0.005
*
mg/I
1
1,1,2-trichloroethane
Grab
EPA624 Ex1 0.005
*
mg/1
1
Trichloroethylene
Grab
EPA624 Ex1 0.005-
*
mg/1- 1
Vinyl chloride
Grab
EPA624 Ex1 0.005
*
mg/1- 1
Aciductraetable compounds
P-chioro-m-creso
2-chlorophenol
Grab
EPA 625
0.0112
mg/i
Grab
EPA 625
0.0112
2,4-dichlorophenol
2,4-dimethylphenol
Grab
Grab
EPA 625
4,6-dinitro-o-cresol
Grab
2,4-dinitrophenol
Grab
2-nitrophenol
Grab
EPA 625
[EPA 625
EPA 625
EPA 625
4-nitrophenol
Pentachlorophenol
Phenol
2,4,6-trichlorophenol
Base -neutral compo
Acenaphthene
Acenaphthylene
Anthracene
Benzidine
Benzo(a)anthracene
Benzo(a)pyrene
3,4 benzofluoranthene
Benzo(ghi)perylene
Benzo(k)fluoranthene
Bis (2-chloroethoxy) methane
Bis 2-chloroeth 1) ether
Bis (2-chloroisopropyl) ether
Bis (2-ethylhexyl) phthalate
4-bromophenyl phenyl ether
Butyl benzyl phthalate
2-chloronaphthalene
4-chlorophenyl phenyl ether
Parameter
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
EPA 625
Grab
Grab
Sample
Type
Sale -neutral aompo rods. (co
Ghrsene
Di-n-butyl phthalate
Di-n-octyl phthalate
Grab
Grab
Grab
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
[EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
1EPA 625
Analytical`
Method
EPA 625
EPA 625
EPA 625
0.0112
0:0112
0.0112
0.0562
0.0112.
0.0112
0.0562
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
0.0112
Qaantitation
Level
0.0112
0.0112
0.0112
Dibenzo ja, h)anthracene
1,2-dichlorobenzene
1,3=dichlorobenzene
1,4-dichlorobenzene
3,3-dichlorobenzidine
Diethyl phthalate
Dimethyl phthalate
2,4-dinitrotoluene
2,6-dinitrotoluene
Form - DMR- PPA-1
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
Grab EPA 625
0.0112
0.0112
*
*
*
*
*
*
*
*
*
*
*
Sample
Result
*
0.0112
0.0112
0.0112
0_0112
0.0112
0.0112
0.0112
*
*
*
mg/1
m: 1
mg/1
mg/1
mg/1
1
1
1
1
1
mg/1
m: i
mg/1
mg/1
mg/1
1
1
1
1
mg/1
mg/1
mg/ 1
mg/1
mg/1
mg/1
mg/1
m�1
mg/1
mg/1
mg/1
mg/1
Units of
Measurement
mg/1.
mg/1
rug/1-
_
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
mg/1
Page 2
1
1
1
1
1
1
1
1
1,
1
1
1
1
1

Annual Monitoring and Pollutant Scan
Permit No. NCOO41696
Outfall 001
Month July
Year 2018
1,2-diphenylhydrazine
Grab
EPA 625
0:0449.
*
rug/1
1
Fluoranthene
Grab
EPA 625
0.0112
mg/1
1
Fluorene
Grab
EPA 625
0.0112
*
mg/1
1
Hexachlorobenzene
Grab
EPA 625
0.0112
*
mg./1
1
Hexachlorobutadiene
Grab
EPA 625
0.0112
mg/1
1
Hexachlorocyclo-pentadiene
Grab
EPA 625
0.0112
*
mg/1
1
Hexachloroethane
Grab
EPA 625
0.0112
*
mg/1
1
Indeno(1,2,3-cd)pyrene
Grab
EPA 625
0.0112
*
mg/1
1
Isophorone
Grab
EPA 625
0.0112
*
mg/1
1
Naphthalene
Grab
EPA 625
0.0112
*
mg/1
1
Nitrobenzene
Grab
EPA 625
0.0112
*
mg/1
1
N-nitrosodi-n-propylamine
Grab
EPA 625
0.0112
*
nag/1
1
N-nitrosodimethylamine
Grab
EPA 625
0.0112
*
mg/1
1
N-nitrosodiphenylamine
Grab
EPA 625
0.0112
mg/1
1
Phenanthrene
Grab
EPA 625
0.0112
*
r g/I
1
Pyrene
Grab
EPA 625
0.0112
*
mg/1
1
1,2,4,=trichlorobenzene
Grab
EPA 625
0.0112
*
mg/1
1
I certify under penalty of law that this document and all attachments were prepared under my direction
and supervision in accordance with a system to design to acaure that qualified personnel properly
gather and evaluate the information submitted. Based on my inquiry of the person or persons that
manage the system, or those persons directly responsible for gathering the information, the
information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am
aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations.
* Denotes that concentrations
are below MQL / DL .
uthorize ' e . resen . 've Name
Signs re
Date
7.2,?
Form - DMR- PPA-1 Page 3

Annual Monitoring and Pollutant Scan
Permit No. NC0041696
Outfall 001
Month April
Year 2019
Facility Name Lake Rhodhiss WWTP ORC Chris Bortnick
Date of sampling April 3, 2019 Phone [phone]
Analytical Laboratory Valdese WWTP Lab, Blue Ridge Labs, Summit Environmental Technologies & Two Rivers
Parameter
Sample
Type
Analytical .
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Number of
samples
Ammonia (as N)
Composite
4500NH3D20
0.5
<.50
mg/1
1
Grab
45000G20 11
0.1
9.2
mg/I
1
Dissolved oxygen
Nitrate
Composite
EPA 353.3
0.1
9.20
mg/1
1
Nitrite
Composite
SM19- 4500
0.1
*
mg/1
1
Total Kjeldahl nitrogen
Composite
4500-NorgB
0.5
11.90
mg/1
1
Total Phosphorus
Composite
EPA 200.7 - 19
0.02
1.190
mg/1
1
Total dissolved solids
Composite
2540C-1997
1
120
mg/1
1
Hardness
Composite
2340B-1997
0.03
11.1
mg/1
1
Chlorine (total residual, TRC)
Grab
4500C1G201;
0.020
<20
mg/1.
1
Oil and grease
Grab
5520E-2001
1
2.4
mg/1
1
Metals (total reooeerablej, cyanide
and total phenols
Antimony
Composite
EPA 200.7
0.01
0.038
mg/1
1
Arsenic
Composite
EPA 200.7
0.01
*
mg/1
1
Beryllium
Composite
EPA 200.8
0.001
*
mg/1
1
Cadmium
Composite
EPA 200.7
0.0002
0.0004
mg/1
1
Chromium
Composite
EPA 200.7
0.001
*
mg/1
1
Cobalt
Composite
EPA 200.7
0.02
*
mg/1
1
Copper
Composite
EPA 200.7
0.001
0.058
mg/1
1
Lead
Composite
EPA 200.7
0.01
*
mg/1
1
Mercury
Grab
EPA 1631
1.0
2.48
ng/1
1
Molybdenum
Composite
EPA 200.7
0.0
*
mg/1
1
Nickel
Composite
EPA 200.7
0.001
0.002
mg/1
1
Selenium
Composite
EPA 200.7
0.01
*
mg/1
1
Silver
Composite
EPA 200.7
0.001
*
mg/I
1
Thallium
Composite
EPA 200.7
0.02
*
mg/1
1
Tin
Composite
EPA 200.7
0.05
*
mg/1
1
Titanium
Composite
EPA 200.7
0.02
*
mg/1
1
Vanadium
Composite
EPA 200.8
0.001
*
mg/1
1
Zinc
Composite ,
EPA 200.7
0.001
0.06
mg/i.
1.
Cyanide
Grab
SM19 4500C
0.005
*
mg/1
1
Total phenolic compounds
Grab
EPA 420.1
0.01, 0.01
mg/1
1
Volatile organic compounds
Acrolein
Grab
EPA624
0.05
*
mg/1
1
Acrylonitrile
Grab
EPA624 Ex"
0.05
*
mg/1
1
Benzene
Grab
EPA624 Exl
0.005
*
mg/1
1
Bromoform
Grab
EPA624 Ex(
0.005
*
mg/1
1
Carbon tetrachloride
Grab
EPA624 Exl
0.005
*
mg/1
1
Chlorobenzene
Grab
EPA624 Exl
0.005
*
mg/1
1
Chlorodibromomethane
Grab
EPA624 Exl
0.005
*
mg/1
1
Chloroethane
Grab
EPA624 Exl
0.005
*
mg/1
1
2-chloroethylvinyl ether
Grab
EPA624 Exl
0.01
*
mg/1
1
Chloroform
Grab
EPA624 Exl
0.005
*
mg/1
1
Dichlorobromomethane
Grab
EPA624 Exl
0.005
*
mg/1
1
1,1-dichloroethane
Grab
EPA624 F.
0.005.
*
mg/1,
1,
1,2-dichloroethane
Grab
EPA624 EN
0.005
*
mg/1
1,
Trans-1,2-dichloroethylene
Grab
EPA624 Exl
0.005
*
mg/1
1
Parameter
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Malts of
Measurement
Number of
samples
Form - DMR- PPA 1
Page 1

Annual Monitoring and Pollutant Scan
Permit No. NC0041696
Outfall 001
Month April
Year 2019
Volatile organic compounds (Cont.)
1,1-dichloroethylene
Grab
EPA624 Exi.
0.005
*
nag/1
1
1,2-dichloropropanc
Grab
EPA624 Ex1
0.005
*
mg/1
1
1,3-dichloropropylene
Grab
EPA624 Exl
0.005
*
mg/1
1
Ethylbenzene
Grab
EPA624 Exl
0.005
mg/ 1
1
Methyl bromide
Grab
EPA624 Exj
0,005
*
mg/1
1
Methyl chloride
Grab
EPA624 Exl
0,005,
mg/1
1
Methylene chloride
Grab
EPA624 Exl
0.005
*
mg/1
1
1,1,2,2-tetrachloroethane
Grab
EPA624 Exj
0.005
*
mg/1
1
Tetrachloroethylene
Grab
EPA624 Exl
0.005
*
mg/1
1
Toluene
Grab
EPA624 Ex"
0.005
*
mg/1
1
1,1,1-trichloroethane
Grab
EPA624 Exr
0.005
*
mg/1
1
1,1,2-trichloroethane
Grab
EPA624 Exl
0.005
*
mg/1
1
Trichloroethylene
Grab
EPA624 Exr
0.005
*
mg/1
1
Vinyl chloride
Grab
EPA624 Exf
0.005
*
mg/1
1
Acid -extractable compounds
P-chloro-m-creso
Grab
EPA 625.1
0.01
*
mg/1
1
2-chlorophenol
Grab
EPA 625.1
0.01
mg/1
1
2,4-dichlorophenol
Grab
EPA 625.1
0.01
*
mg/1
1
2,4-dimethylphenol
Grab
EPA 625.1
0.01
*
mg/1
1
4,6-dinitro-o-cresol
Grab
EPA 625.1
0.14
*
mg/1
1
2,4-dinitrophenol
Grab
EPA 625.1
0.16
*
mg/1
1
2-nitrophenol
Grab
EPA 625.1
0.01
*
mg/1
1
4-nitrophenol
Grab
EPA 625.1
0.08
*
mg/1
1
Pentachlorophenol
Grab
EPA 625.1
0.05
*
mg/1
1
Phenol
Grab
EPA 625.1
0.01
*
mg/1
1
2,4,6-trichlorophenol
Grab
EPA 625.1
0.01
*
mg/1
1
Base -neutral compounds
Acenaphthene
Grab .
EPA 625,1
0.01.
*
mg/1
1
Acenaphthylene
Grab
EPA 625.1
0.01
*
mg/1
1
Anthracene
Grab
EPA 625.1
0.01
*
mg/1
1
Benzidine
Grab
EPA 625.1
0.17
*
mg/1
1
Benzo(a)anthracene
Grab
EPA 625.1
0.01
*
mg/1
1
Benzo(a)pyrene
Grab
EPA 625.1
0.01
*
mg/1
1
3,4 benzofluoranthene
Grab
EPA 625.1
0.01
*
mg/1
1
Benzo(ghi)perylene
Grab
EPA 625.1
0.03
*
mg/1
1
Benzo(k)fluoranthene
Grab
EPA 625.1
0.01
*
mg/1
1
Bis (2-chloroethoxy) methane
Grab
EPA 625.1
0.01
*
mg/1
1
Bis (2-chloroethyl) ether
Grab
EPA 625.1
0.01
*
mg/1
1
Bis (2-chloroisopropyl) ether
Grab
EPA 625.1
0.01
*
mg/1
1
Bis (2-ethylhexyl) phthalate
Grab
EPA 625.1
0.16
*
mg/1
1
4-bromophenyl phenyl ether
Grab
EPA 625.1
0.01
*
mg/1
1
Butyl benzyl phthalate
Grab
EPA 625.1
0.01
*
mg/1
1
2-chloronaphthalene
Grab
EPA 625.1
0.01
*
mg/1
1
4-chlorophenyl phenyl ether
Grab
EPA 625.1
0.01
*
mg/1
1
Parameter
Sample_
Type
Analytical
Method
Quantltation
Level
Sample
Result
Units of
Measurement
Number of
samples
Base -neutral compounds (tone)
Chrysene
Grab
EPA 625.1 1
0.01
mg/1
1
Di-n-butyl phthalate
Grab
EPA 625.1 1
0.01
*
mg/1
1
Di-n-octyl phthalate
Grab
EPA 625.1
0.06
*
mg/1
1
Dibenzo(a,h)anthracene
Grab
EPA 625.1
0.1
*
mg/1
1
1,2-dichlorobenzene
Grab
EPA 625.1
0.01
*
mg/1
1
1,3-dichlorobenzene
Grab
EPA 625.1
0.01 *
mg/1
1
1„41-411iithlimobeinaterhe I
Grab
MIPA1025,1 I
0111 i
will
ifl
Form -DMR-WA-1
PAW 2

Annual Monitoring and Pollutant Scan
Permit No. NCOO41696
Outfall 001
Month
Year
April
2019
3,3-dichlorobenzidine
Grab
EPA 625.1
0.12
mg/ 1
1
Diethyl phthalate
Grab
EPA 625.1
0.01
*
mg/1
1
Dimethyl phthalate
Grab
EPA 625.1
0.01
*
mg/1
1
2,4-dinitrotoluene
Grab
EPA 625.1
0.01
mg/1
1
2,6-dinitrotoluene
Grab
EPA 625.1
0.01
*
mg/1
1
1,2-diphenylhydrazine
Grab
EPA 625.1
0.04
*
mg/1
1'
Fluoranthene
Grab
EPA 625.1
0.01
*
mg/I
1
Fluorene
Grab
EPA 625.1
0.01
mg/1
1
Hexachlorobenzene
Grab
EPA 625.1
0.01
*
mg/1
1
Hexachlorobutadiene
Grab
EPA 625.1
0.01
*
mg/1
1
Hexachlorocyclo-pentadiene
Grab
EPA 625.1
0.12
*
mg/1
1
Hexachloroethane
Grab
EPA 625.1
0.01
*
mg/1
1
Indeno(1,2,3-cd)pyrene
Grab
EPA 625.1
0.028
*
mg/1
1
Isophorone
Grab
EPA 625.1
0.01
*
mg/1
1
Naphthalene
Grab
EPA 625.1
0.01
*
mg/1
1
Nitrobenzene
Grab
EPA 625.1
0.01
*
mg/1
1
N-nitrosodi-n-propylaamine
Grab
EPA 625.1
0.01
*
mg/1
1
N-nitrosodimethylamine
Grab
EPA 625.1
0.01
mg/1
1
N-nitrosodiphenylamine
Grab
EPA 625.1
0.01
*
mg/1
1
Phenanthrene
Grab
EPA 625.1
0.01
*
mg/1
1
Pyrene
Grab
EPA 625.1
0.01
*
mg/1
1
1,2,4,-trichlorobenzene
Grab
EPA 625.1
0.01
*
mg/1
1
I certify under penalty of law that this document and all attachments were prepared under my direction
and supervision in accordance with a system to design to assure that qualified personnel properly
gather and evaluate the information submitted. Based on my inquiry of the person or persons that
manage the system, or those persons directly responsible for gathering the information, the
information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am
aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations.
Autho}d Representative Name
* Denotes that concentrations Signatu
are below MQL / DL .
Date 5 - 7 - o2c�i 9
Form - DMR- PPA-1 Page 3

PROCESS FLOW NARRATIVE
Influent wastewater is first introduced into the headworks, passing through the bar
screen and grit chamber, then entering the influent pump station wet -well. The flow is
then pumped uphill to the primary clarifiers, which flows into aeration basins. The flow
then continues into secondary clarifiers and onward to the chlorine contact basin.
Chlorine is fed at the beginning of the contact chamber, then sulfur dioxide is utilized
prior to effluent reaching the cascade, then finally flowing back downhill and discharged
into the Catawba River (Lake Rhodhiss).
Solids accumulated in primary and secondary clarifiers are pumped into the 2
thickeners, which in turn are pumped through centrifuges during the de -watering process.
De -watered biosolids are then taken to the northeast section of the compound (compost
area) and processed on -site. Additionally, portions of the solids within the plant are re-
introduced into the waste stream at the influent pump station wet -well.
All flows (wastewater and sludge) within the plant are monitored through
electronic metering devices and recorded into the SCADA system. Hard copies are
printed monthly and retained on -site. Metered points include influent, effluent, sludge
pumps to centrifuges, return sludge, primary and secondary waste -activated sludges. All
metering equipment is checked and calibrated semi-annually.
Primary Clarifiers (2) are 764,000 gallons each
Aeration Basins (2) are 1,990,000 gallons each
Secondary Clarifiers (2) are 995,000 gallons each
Thickeners (2) are 254,000 gallons each

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11/20/2020 Mail - Yitbarek, Diana - Outlook
[External] RE: NC0041696, Lake Rhoddiss, Town of Valdese
Bortnick, Chris <[e-mail]>
Fri 11/13/2020 13:30
To: Yitbarek, Diana <[e-mail]>
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment
to [e-mail]
Diana,
Thank you for the explanation on the variance/testing request and I understand the reasons for denying. I've also
completed the revisions for Ag, Se and Zn concentration "tags". The August 4, 2016 data point and concentration
"tag" for Ag & Se are listed correctly on the submitted DMR. This is based upon the filled out, submitted and
saved forms that we have on file. We did not submit monthly data (DMR) electronically at that point in time...
December 2016 was the first time electronically. I cannot explain how the 2016 "tag" has been/was changed at
this time.
If I can be of further assistance, simply reach out to me as needed.
Thank you and hope that you enjoy your weekend,
Chris Bortnick
WWTP Superintendent
Town of Valdese
[phone]
From: Yitbarek, Diana [mailto:[e-mail]]
Sent: Friday, November 13, 2020 10:53 AM
To: Bortnick, Chris
Cc: Montebello, Michael J; Wiggs, Linda
Subject: NC0041696, Lake Rhoddiss, Town of Valdese
Good morning, Chris
Thanks for all the information provided. Part of our job is to ensure that all data and units we use in the
calculations are accurate. Thanks for confirming the data. We appreciate the work you do.
We have two requests for you:
1. Thanks for providing clarification about the units of measurement for zinc, silver, and selenium. Please
correct the eDMR entries for those values, and let me know once it is updated.
2. Your cover letter requested a reduction in monitoring frequency for ammonia. We follow these criteria to
evaluate monitoring frequencies requests. Based on the facility's compliance report (attached), the facility
does not meet the approval criteria for monitoring reduction. If you or Linda find any inconsistency in the
compliance report, primarily regarding the quarterly non compliance report and the civil penalties for the
previous three years, please let me know.
Thanks,
-Diana
From: Bortnick, Chris <[e-mail]>
Sent: Friday, October 9, 2020 11:06 AM
https://outlook.office365.com/mail/inbox/id/AAQkADNmOTIxZjdhLTEyMWYtNDEzMS1 iOGNiLTkxNmZhYWJmZThIMAAQAIMKe93MYdNHt3YX0fa9Q... 1/7

11/20/2020 Mail - Yitbarek, Diana - Outlook
To: Yitbarek, Diana <[e-mail]>
Subject: RE: [External] RE: Request for Additional information - NC0041696, Lake Rhoddiss, Town of Valdese
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an
attachment to [e-mail]
Good Morning Diana,
Please find the attached additional information as well as responses to the last request for clarification (6 items).
1. Our current permit does not require us to report NO3/NO2 numbers. This is a component of a Total
Nitrogen number that we are required to report monthly (TKN + NO3 + NO2). The contract laboratory that
we utilize supplies us with these 2 pieces of information (TKN and NO3+NO2) and we combine them for the
reportable answer. Additionally, since we have that specific data and as a "good faith gesture", we opted to
provide that information, so that there are considerably more data points to view than simply the
minimum number from the PPA data (4). If that creates a concern, then I will only provide the minimum
requirements in the future.
2. The metals in question are reported, or intended to be reported, as mg/L.
3. Please see the attached file. Furthermore, influent and effluent samples are being analyzed for Hg per
permit requirements, SIU's in the pretreatment program are also tested annually and there are 3 dental
practices within our collection system that have been identified, contacted and compliant with paperwork
and equipment requirements/requests.
4. TSS results are correct for the date in question. Plant upset due to extremely high rainfall totals (Inflow &
Infiltration of Collection system).
5. Please see attached file (Valdese flow) with added estimated/average daily flows between units specified.
Again, we do not typically have flows on a daily basis; they vary based upon maintaining a healthy
population of microorganisms and Bio-solids management.
6. Please see attached file.
I hope that I've provided the needed answers and contact me with any additional concerns.
Thank you,
Chris Bortnick
WWTP Superintendent
Town of Valdese
[phone]
From: Yitbarek, Diana [mailto:[e-mail]]
Sent: Thursday, October 08, 2020 3:44 PM
To: Bortnick, Chris
Cc: Montebello, Michael J
Subject: FW: [External] RE: Request for Additional information - NC0041696, Lake Rhoddiss, Town of Valdese
Chris — Thanks for your message. Request #5 is part of the instructions for item 2.4. of the NPDES Form 2A. I will
attach it here and will cite the item 2.4. below.
"Item 2.4. Provide a process flow diagram or schematic showing the processes of the treatment plant, including
all bypass piping and all backup power sources or redundancy in the system. This includes a water balance
showing all treatment units, including disinfection (e.g., chlorination and dechlorination), and showing daily
average flow rates at influent and discharge points, and approximate daily flow rates between treatment units.
Also, provide a narrative description of the diagram/schematic."
https://outlook.office365.com/mail/inbox/id/AAQkADNmOTIxZjdhLTEyMWYtNDEzMS1 iOGNiLTkxNmZhYWJmZThIMAAQAIMKe93MYdNHt3YX0fa9Q... 2/7

11/20/2020 Mail - Yitbarek, Diana - Outlook
In our request #5, we consider acceptable a process flow diagram with approximate daily flow rates between the
treatment units or a water balance narrative with approximate daily flow rates between the treatment units.
Please let me know if you have any comments or questions.
-Diana
Diana Yitbarek
Engineer
T: [phone]
[e-mail]
NPDES Municipal Permitting Unit
NC Department of Environmental Quality/ Division of Water Resources
Mailing: 1617 Mail Service Center, Raleigh, NC 27699-1617
Physical: 512 N. Salisbury Street, Rm. 925T, Raleigh, NC 27604-1170
-4)
NQFfIiiCM .
OBpNspvgit En iron'+ illa.1[Wanly
*Please check with the appropriate staff before visiting our offices, as we may be able to handle your requests by phone or email. We can
also be available via Microsoft Teams if requested. Thanks for your patience, and stay safe.
Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties.
From: Bortnick, Chris <[e-mail]>
Sent: Thursday, October 8, 2020 3:16 PM
To: Yitbarek, Diana <[e-mail]>
Subject: [External] RE: Request for Additional information - NC0041696, Lake Rhoddiss, Town of Valdese
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an
attachment to [e-mail]
Hello Diana,
Could you explain the significance of the request of #5 please? Is there a bearing on the overall permit approval
with this data? Those flows are process flows and not discharge flows, like the effluent. I've been a part of
several permit renewals and cannot recall the need or request for these specific details. Thank you for your
clarification.
Chris Bortnick
WWTP Superintendent
Town of Valdese
[phone]
From: Yitbarek, Diana [mailto:[e-mail]]
Sent: Thursday, October 08, 2020 2:50 PM
To: Bortnick, Chris
Cc: Montebello, Michael J
Subject: Request for Additional information - NC0041696, Lake Rhoddiss, Town of Valdese
Chris - Hope this message finds you well. Thanks for the information provided. We would also appreciate
clarification on the following:
https://outlook.office365.com/mail/inbox/id/AAQkADNmOTIxZjdhLTEyMWYtNDEzMS1 iOGNiLTkxNmZhYWJmZThIMAAQAIMKe93MYdNHt3YX0fa9Q... 3/7

11/20/2020 Mail - Yitbarek, Diana - Outlook
1. Table B reports 32 samples analyzed for nitrate/nitrite, but it was not reported in the eDMRs. Please
submit the nitrate/nitrite values to the eDMR.
2. Please verify the reported units for Silver and Selenium for 8/4/2016, 5/5/2017, and 10/17/2017 and
clarify the unit of measurement (ug/L or mg/L). If the noted eDMR's are incorrect (wrong units selected),
please revise them to reflect the correct information.
3. Please provide Lake Rhodhiss WWTP's Mercury minimization plan (MMP).
4. Total suspended solids results in the effluent for 2/7/2020 was 3184 mg/L. Please verify that this is correct
according to your records.
5. Thanks for providing a narrative with the equipment sizing for the two primary clarifiers (764,000 gal each),
two aeration basins (1,990,000 gal each), two secondary clarifiers (995,000 gal each), and two thickeners
(254,000 gal each). The narrative states that "all flows (wastewater and sludge) within the plant are
monitored through electronic metering devices and recorded into the SCADA system. Metered points
include influent, effluent, sludge pumps to centrifuges, return sludge, primary and secondary waste -
activated sludges."
Please provide the approximate daily flow rates between the existing metered points and a process flow
diagram/narrative of the water balance/approximate daily flow rates between the treatment units.
6. We noticed that the Annual Monitoring and Pollutant Scan for 2017, 2018, and 2019 missed your
signature. Please provide scanned copies with your signature.
Thanks for your cooperation, and please let me know if you have any comments or questions.
Best,
-Diana
Diana Yitbarek
Engineer
T: [phone]
[e-mail]
NPDES Municipal Permitting Unit
NC Department of Environmental Quality/ Division of Water Resources
Mailing: 1617 Mail Service Center, Raleigh, NC 27699-1617
Physical: 512 N. Salisbury Street, Rm. 925T, Raleigh, NC 27604-1170
,ITCE-
NoriiiIi.NL.
u.v.fingfle ry„irunnypijaI thiality
*Please check with the appropriate staff before visiting our offices, as we may be able to handle your requests by phone or email. We can
also be available via Microsoft Teams if requested. Thanks for your patience, and stay safe.
Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties.
From: Bortnick, Chris <[e-mail]>
Sent: Monday, October 5, 2020 14:05
To: Yitbarek, Diana <[e-mail]>
Subject: [External] RE: Request for Additional information - NC0041696, Lake Rhoddiss, Town of Valdese
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an
attachment to [e-mail]
Diana,
Thank you for reaching out to us for clarification and I believe the responses will satisfy the request(s)...
https://outlook.office365.com/mail/inbox/id/AAQkADNmOTIxZjdhLTEyMWYtNDEzMS1 iOGNiLTkxNmZhYWJmZThIMAAQAIMKe93MYdNHt3YX0fa9Q... 4/7

11/20/2020 Mail - Yitbarek, Diana - Outlook
(1)
Please see the attached narrative and tank sizing. Flow is measured at the Influent, Effluent (avg.
daily/max/min are on the application) & Recycle (estimated 2.25 MGD). There are no other flow numbers
recorded between treatment units (i.e primary -aeration; aeration -secondary).
(1a) Not certain what this request has to do with renewal, but just after the Feb. 2019 inspection,
additional splash guards were added to the areas of question, with the addition of rubber
insulation and sealant applied to seams and "seeping" points. A recent plant inspection by DEQ-
ARO (Linda Wiggs) made no further comment or noted deficiency with these improvements from
2019.
(2) The methodology for Zinc is correct and the mg/kg is wrong. On the eDMR page for effluent, Zinc is not
on our current permit and therefore doesn't pre -populate. When we add that parameter, mg/kg is the
default that "pops -up" for concentration and mg/L must be selected from the drop -down box. Although
there are 3 levels of review before submittal, items get over -looked despite our best intentions. Our data -
entry person has been made aware and now has a note attached to her SOP as a reminder.
(3) The September 2019 conductivity results in question are accurate. In review of data and benchsheet, the
effluent was dingy/murky due to rainfall and heavier flows at plant. Subsequent daily conductivity
readings were also analyzed in the "batch run" on testing day, revealing normal, typical effluent numbers
for our facility.
(4) Upstream sampling point (Water Plant Pump House): 81° 33' 34" Longitude 35° 46' 38" Latitude (-
0.97 miles West of WWTP)
Downstream sampling point (NCSR 1001 Castle Bridge Boat Access): 81° 31' 27" Longitude 350
46' 54" Latitude (^' 1.07 miles East of WWTP)
If I can be of further assistance, simply let me know.
Thank you,
Chris Bortnick
WWTP Superintendent
Town of Valdese
[phone]
From: Yitbarek, Diana [mailto:diana.yitbarek©ncdenr.gov]
Sent: Friday, October 02, 2020 8:10 AM
To: Bortnick, Chris
Cc: Eckard, Seth
Subject: Request for Additional information - NC0041696, Lake Rhoddiss, Town of Valdese
Dear Chris Bortnick,
I hope this message finds you well. We are currently reviewing the NPDES permit NC0041696 application for
renewal submitted by the Town of Valdese (Town) on August 3, 2020. We would appreciate additional information
from the Town on the following:
1. Item 2.4. of the application form requests a water balance showing all treatment units and showing daily
average flow rates at influent and discharge points, and approximate daily flow rates between treatment
units. Please provide a diagram that includes the above with equipment sizing and a narrative description
of the diagram/schematic.
a. The February 2019 inspection noted wastewater splashing beyond the aeration basins walls in
several locations. The previously installed splash guards were no longer effective. Please elaborate
https://outlook.office365.com/mail/inbox/id/AAQkADNmOTIxZjdhLTEyMWYtNDEzMS1 iOGNiLTkxNmZhYWJmZThIMAAQAIMKe93MYdNHt3YX0fa9Q... 5/7

11/20/2020 Mail - Yitbarek, Diana - Outlook
on how this has been addressed after February 2019.
2. Zinc results reported on your eDMR for 8/28/17, 5/8/18, 8/16/18, 11/20/18, 5/13/20 used units of kg/day
rather than mg/I. Table C of the application form reported the use of the Method 200.7 1994. Sample data
for this Method should be reported in units of mg/L for aqueous samples. Please provide clarification
about the unit of measurement/ Method reported. If the noted eDMR's are incorrect (wrong units
selected), please revise them to reflect the correct information.
3. Conductivity results for 9/17/2018 and 9/18/2018 were 43800 and 49600. Please verify that this is correct
according to your records. If they are not, please correct the eDMR entries for these dates.
4. On your "Map 1" Location map, please provide coordinates for upstream and downstream location points.
As noted in the NPDES permit, these points should be at least 100 feet upstream of the discharge and
downstream one mile below the outfall at NCSR 1001.
If you provide this information within the next two weeks, that would be greatly appreciated. Thanks for your
continued cooperation with the NPDES program and your work protecting the public health and the
environment.
Please let me know if you have any comments or questions.
Best,
-Diana
Diana Yitbarek
Engineer
T: [phone]
[e-mail]
NPDES Municipal Permitting Unit
NC Department of Environmental Quality/ Division of Water Resources
Mailing: 1617 Mail Service Center, Raleigh, NC 27699-1617
Physical: 512 N. Salisbury Street, Rm. 925T, Raleigh, NC 27604-1170
¢1pRTM
o.vrta+ au�x�r
*Please check with the appropriate staff before visiting our offices, as we may be able to handle your requests by phone or email. We can
also be available via Microsoft Teams if requested. Thanks for your patience, and stay safe.
Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties.
Please Note our new E-Mail domain Valdesenc.gov
Under the provisions of G. S. 132-1.4 & 160A-168, the information contained herein may be confidential
and not a public record, and is intended only for the use of the individual or entity named above. If you
are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution
or reproduction of this communication is not permitted. If you have received this e-mail in error, please
delete all electronic copies, destroy all hard copies, and notify me immediately. Your cooperation will be
appreciated.
Please Note our new E-Mail domain Valdesenc.gov
Under the provisions of G. S. 132-1.4 & 160A-168, the information contained herein may be confidential
and not a public record, and is intended only for the use of the individual or entity named above. If you
are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution
or reproduction of this communication is not permitted. If you have received this e-mail in error, please
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11/20/2020 Mail - Yitbarek, Diana - Outlook
delete all electronic copies, destroy all hard copies, and notify me immediately. Your cooperation will be
appreciated.
Please Note our new E-Mail domain Valdesenc.gov
Under the provisions of G. S. 132-1.4 & 160A-168, the information contained herein may be confidential
and not a public record, and is intended only for the use of the individual or entity named above. If you
are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution
or reproduction of this communication is not permitted. If you have received this e-mail in error, please
delete all electronic copies, destroy all hard copies, and notify me immediately. Your cooperation will be
appreciated.
Please Note our new E-Mail domain Valdesenc.gov
Under the provisions of G. S. 132-1.4 & 160A-168, the information contained herein may be confidential
and not a public record, and is intended only for the use of the individual or entity named above. If you
are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution
or reproduction of this communication is not permitted. If you have received this e-mail in error, please
delete all electronic copies, destroy all hard copies, and notify me immediately. Your cooperation will be
appreciated.
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AC62813 North Carolina Division of Water Resources Water Sciences Section Laboratory Results
Loc. Descr.:
County:
Region:
River Basin
Emergency
COC Yes/No
Valdese Lake Rhodhiss WWTP Effluent
Burke
Asheville
CTB
Collector:
Report To
Collect Date:
Collect Time:
Sample Depth
L WIGGS
ARO
05/07/2019
10_40
VisitlD
Location ID: NC0041696
Priority ROUTINE
Sample Matrix: WASTEWATER
Loc. Type: EFFLUENT
Final Report
If this report is labeled preliminary report, the results have not been validated.
CAS # Analyte Name PQL
Sample temperature at receipt by lab
Result/
Qualifier
LAB
2.5
Sample ID:
PO Number #
Date Received:
Time Received:
Labworks LoginlD
Delivery Method
Final Report Date:
Report Print Date:
AC62813
05/10/2019
08_20
TASCENZO1
NC Courier
6/28/19
06/28/2019
Do not use for Regulatory purposes.
Units
°C
Method
Reference
Analysis
Date Validated by
5/10/19 MSWIFT
Ag by ICPMS 1.0
MET
1.0 U
ug/L
EPA 200.8 Rev5.4 5/17/19 ESTAFFORD1
Antimony by ICPMS 10
48
ug/L
EPA200.8 Rev5.4 5/17/19 ESTAFFORD1
As by ICPMS 2.0
2.0 U
ug/L
EPA 200.8 Rev5.4 5/17/19 ESTAFFORD1
Be by ICP 5.0
5.0 U
ug/L
EPA 200.7 Rev4.4 5/17/19 ESTAFFORD1
Ca by ICP 0.10
7.4
mg/L
EPA200.7 Rev4.4 5/17/19 ESTAFFORD1
Cd by ICPMS 0.50
0.50 U
ug/L
EPA 200.8 Rev5.4 5/17/19 ESTAFFORD1
Cobalt by ICP
50
50 U
ug/L
EPA 200.7 Rev4.4 5/17/19 ESTAFFORD1
Cr by ICPMS
5.0
5.0 U
ug/L
EPA200.8 Rev5.4 5/17/19 ESTAFFORD1
Cu by ICPMS
2.0
10
ug/L
EPA200.8 Rev5.4 5/17/19 ESTAFFORD1
Hg 245.1
0.2
0.20 U
ug/L
EPA245.1 Rev3 5/31/19 ESTAFFORD1
Mg by ICP
0.10
3.0
mg/L
EPA200.7 Rev4.4 5/17/19 ESTAFFORD1
Ni by ICPMS
2.0
2.0 U
ug/L
EPA200.8 Rev5.4 5/17/19 ESTAFFORD1
Pb by ICPMS
2.0
2.0 U
ug/L
EPA 200.8 Rev5.4 5/17/19 ESTAFFORD1
Se by ICPMS
1.0
1.0 U
ug/L
EPA200.8 Rev5.4 5/17/19 ESTAFFORD1
Sn by ICPMS
10
10 U
ug/L
EPA 200.8 Rev5.4 5/17/19 ESTAFFORD1
Thallium (TI) ICPMS
2.0
2.0 U
ug/L
EPA 200.8 Rev5.4 5/17/19 ESTAFFORD1
Ti (Titanium) by ICP
10
10 U
ug/L
EPA200.7 Rev4.4 5/17/19 ESTAFFORD1
V by ICP
10
10 U
ug/L
EPA200.7 Rev4.4 5/17/19 ESTAFFORD1
Zn by ICPMS
10 30 J2 ug/L
EPA 200.8 Rev5.4 5/17/19 ESTAFFORD1
83-32-9
Acenaphthene
SEM
Semivolatile Organics (BNAs) in liquid
10 Not Detected pg/L
EPA625/8270D 5/22/19 CJOHNSON
208-96-8 Acenaphthylene 20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
62-53-3 Aniline 10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
120-12-7 Anthracene 20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
56-55-3 Benzo(a)anthracene 20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
50-32-8 Benzo(a)pyrene 10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
205-99-2 Benzo(b)fluoranthene 10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
191-24-2 Benzo(g,h,i)perylene 20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
207-08-9 Benzo(k)fluoranthene 30 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
65-85-0 Benzoic acid 50 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
100-51-6 Benzyl alcohol 30 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
WSS Chemistry Laboratory» 1623 Mail Service Center, Raleigh, NC 27699-1623 [phone]
"Not Detected" or "U" does not indicate the sample is analyte free but that the analyte is not detected at or above the PQL.
Page 1 of 4

NC DW/N Laboratory Section ResuCts/Sample Comments/Qualifier Definitions
Sample ID: AC62813
CAS # Analyte Name
108-60-1
Bis(2-chloro-1-methylethyl)ether
PQL
Result/
Qualifier
10 Not Detected
Units
pg/L
Method
Reference
EPA625/8270D
Analysis
Date Validated by
5/22/19 CJOHNSON
111-91-1
Bis(2-chloroethoxy)methane
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
111-44-4
Bis(2-chloroethyl)ether
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
117-81-7
Bis(2-ethylhexyl)phthalate
30 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
101-55-3
Bromophenyl phenyl ether, 4-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
85-68-7
Butylbenzyl phthalate
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
59-50-7
Chloro-3-methyl phenol, 4-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
106-47-8
Chloroaniline, 4-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
91-58-7
Chloronaphthalene, 2-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
95-57-8
Chlorophenol, 2-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
7005-72-3 Chlorophenyl phenyl ether, 4-
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
218-01-9 Chrysene
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
53-70-3
Dibenzo(a,h)anthracene
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
132-64-9
Dibenzofuran
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
95-50-1
Dichlorobenzene, 1,2-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
541-73-1
Dichlorobenzene, 1,3
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
106-46-7
Dichlorobenzene, 1,4-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
91-94-1
Dichlorobenzidine, 3,3'-
30 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
120-83-2
Dichlorophenol, 2,4-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
84-66-2
Diethyl phthalate
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
131-11-3
Dimethyl phthalate
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
105-67-9
Dimethylphenol, 2,4-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
84-74-2
Di-n-butyl phthalate
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
534-52-1
Dinitro-2-methyl phenol, 4,6-
50 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
51-28-5
Dinitrophenol, 2,4-
50 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
121-14-2
Dinitrotoluene, 2,4-
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
606-20-2
Dinitrotoluene, 2,6-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
117-84-0
Di-n-octyl phthalate
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
206-44-0
Fluoranthene
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
86-73-7 Fluorene
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
118-74-1
Hexachlorobenzene
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
87-68-3
Hexachlorobutadiene(SV)
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
77-47-4
Hexachlorocyclopentadiene
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
67-72-1
Hexachloroethane
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
193-39-5
Indeno(1,2,3-cd)pyrene
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
78-59-1 Isophorone
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
91-57-6
Methylnaphthalene, 2-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
95-48-7
Methylphenol, 2-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
106-44-5
Methylphenol, 4-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
91-20-3
Naphthalene(SV)
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
88-74-4
Nitroaniline, 2-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
99-09-2
Nitroaniline, 3-
50 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
100-01-6
Nitroaniline, 4-
50 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
WSS Chemistry Laboratory» 1623 Mail Service Center, Raleigh, NC 27699-1623 [phone]
"Not Detected" or "U" does not indicate the sample is analyte free but that the analyte is not detected at or above the PQL.
Page 2 of 4

NC DW/N Laboratory Section ResuCts/Sample Comments/Qualifier Definitions
Sample ID: AC62813
CAS # Analyte Name
98-95-3 Nitrobenzene
PQL
Result/
Qualifier
10 Not Detected
Units
pg/L
Method
Reference
EPA625/8270D
Analysis
Date Validated by
5/22/19 CJOHNSON
88-75-5
Nitrophenol, 2-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
100-02-7
Nitrophenol, 4-
50 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
621-64-7
N-nitrosodi-n-propylamine
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
86-30-6
N-nitrosodiphenylamine
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
87-86-5
Pentachlorophenol
30 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
85-01-8
Phenanthrene
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
108-95-2 Phenol
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
129-00-0 Pyrene
20 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
120-82-1
Trichlorobenzene, 1,2,4-
10 Not Detected
pg/L
EPA625/8270D 5/22/19 CJOHNSON
95-95-4
Trichlorophenol, 2,4,5-
10 Not Detected
pg/L
EPA625/8270D
5/22/19 CJOHNSON
88-06-2
Trichlorophenol, 2,4,6-
10 Not Detected
pg/L
EPA625/8270D
5/22/19 CJOHNSON
Sample Comments
Met:Zn:J2,estimeted. LRB over range
WSS Chemistry Laboratory» 1623 Mail Service Center, Raleigh, NC 27699-1623 [phone]
"Not Detected" or "U" does not indicate the sample is analyte free but that the analyte is not detected at or above the PQL.
Page 3 of 4

NC DWG, Laboratory Section ResuCts/Sample Comments/Qualifier Definitions
Sample ID: AC62813
CAS # Analyte Name
PQL
Result/
Qualifier
Units
Method
Reference
Analysis
Date
Validated by
NCDEQ-WSS-Chemistry Lab Data Qualifiers
Al The reported value is an average, where at least one result is qualified with a "U". The PQL is used for the qualified result(S) to cal
B1 Coliform-Countable membranes with less than 20 colonies. Reported value is estimated or is a total of the counts on all filters repor
B2 Coliform-Counts from all filters were zero. The value reported is based on the number of colonies per 100 ml that would have been
B3 Coliform-Countable membranes with more than 60 or 80 colonies. The value reported is calculated using the count from the smalle
B4 Coliform-Filters have counts of both >60 or 80 and <20. Reported value is estimated or is a total of the counts on all filters reported
B5 Coliform-Too many colonies were present; too numerous to count (TNTC). TNTC is generally defined as >150 colonies.
B6 Coliform-Estimated Value. Blank contamination evident.
B7 Coliform-Many non-coliform or non-enterococcus colonies or interfering non-coliform or non-enterococcus growth present. In this cc
BB1 MPN-No wells or tubes gave a positive reaction. Value based upon the appropriate MPN Index and reported as a less than "<" valu
BB2 MPN-All wells or tubes gave positive reactions. Value based upon the MPN Index and reported as a greater than ">" value.
C Total residual chlorine was present in sample upon receipt in the laboratory; value is estimated.
G1 BOD-The dissolved oxygen (DO) depletion of the dilution water blank exceeded 0.2 mg/L.
G2 BOD-The bacterial seed controls did not meet the requirement of a DO depletion of at least 2.0 mg/L and/or a DO residual of at lea
G3 BOD-No sample dilution met the requirement of a DO depletion of at least 2.0 mg/L and/or a DO residual of at least 1.0 mg/L.
G4 BOD-Evidence of toxicity. This is generally characterized by a significant increase in the BOD value as the sample concentration de
G5 BOD-The glucose/ glutamic acid standard exceeded the range of 198 ± 30.5 mg/L.
G6 BOD-The calculated seed correction exceeded the range of 0.6 to 1.0 mg/L.
G7 BOD-Less than 1 mg/L DO remained for all dilutions set. The reported value is an estimated greater than value and is calculated fol
G8 BOD-Oxygen usage is less than 2 mg/L for all dilutions set. The reported value is an estimated less than value and is calculated for
G9 BOD-The DO depletion of the dilution water blank produced a negative value.
J1 Surrogate recovery limits have been exceeded.
J2 The reported value failed to meet the established quality control criteria for either precision or accuracy.
J3 The sample matrix interfered with the ability to make any accurate determination.
J4 The data is questionable because of improper laboratory or field protocols (e.g., composite sample was collected instead of grab, p
J5 Temperature limits exceeded (samples frozen or >6°C) during transport or not verifiable (e.g., no temperature blank provided): non-
J6 The laboratory analysis was from an unpreserved or improperly chemically preserved sample. The data may not be accurate.
J7 This qualifier is used to identify analyte concentration exceeding the upper calibration range of the analytical instrument/method. Th
J8 Temperature limits exceeded (samples frozen or >6°C) during storage, the data may not be accurate.
J9 The reported value is determined by a one -point estimation rather than against a regression equation. The estimated concentration
J10 Unidentified peak; estimated value.
J11 The reported value is determined by a one -point estimation rather than against a regression equation. The estimated concentration
J12 The calibration verification did not meet the calibration acceptance criterion for field parameters.
M Sample and duplicate results are "out of control". The sample is non -homogenous (e.g., VOA soil). The reported value is the lower
N1 Presumptive evidence and estimated value. The component has been tentatively identified base on mass spectral library.
N2 There is an indication that the analyte is present, but quality control requirements for confirmation were not met (i.e., presence of
N3 This code shall be used if the level is too low to permit accurate quantification, but the estimated concentration is less than the labo
N4 This code shall be used if the level is too low to permit accurate quantification, but the estimated concentration is less than the labo
N5 The component has been tentatively identified based on a retention time standard.
Q1 Holding time exceeded prior to receipt by lab.
Q2 Holding time exceeded following receipt by lab.
P Elevated PQL* due to matrix interference and/or sample dilution.
S Not enough sample provided to prepare and/or analyze a method -required matrix spike (MS) and/or matrix spike duplicate (MSD).
U Indicates that the analyte was analyzed for but not detected above the reported practical quantitation limit*. The number value repo
X1 Sample not screened for this compound.
X2 Sampled, but analysis lost or not performed -field error.
X3 Sampled, but analysis lost or not performed -lab error.
✓ Indicates the analyte was detected in both the sample and the associated method blank. Note: The value in the blank shall not be s
Y Elevated PQL* due to insufficient sample size.
Z1 Inability to analyze the sample.
Z2 Questions concerning data reliability.
U, J6 The laboratory analysis was from an unpreserved or improperly chemically preserved sample. The data may not be accurate.
UU Indicates that the analyte was not detected by a screen analysis. The number value was determined by a one -point estimation at tl
WSS Chemistry Laboratory» 1623 Mail Service Center, Raleigh, NC 27699-1623 [phone]
"Not Detected" or "U" does not indicate the sample is analyte free but that the analyte is not detected at or above the PQL.
Page 4 of 4

Permit No NC0041696
NPDES Implementation of Instream Dissolved Metals Standards - Freshwater Standards
The NC 2007-2015 Water Quality Standard (WQS) Triennial Review was approved by the NC
Environmental Management Commission (EMC) on November 13, 2014. The US EPA subsequently
approved the WQS revisions on April6, 2016, with some exceptions. Therefore, metal limits in draft
permits out to public notice after April 6, 2016 must be calculated to protect the new standards - as
approved.
Table 1. NC Dissolved Metals Water Quality Standards/Aquatic Life Protection
Parameter
Acute FW, µg/1
(Dissolved)
Chronic FW, µg/1
(Dissolved)
Acute SW, µg/1
(Dissolved)
Chronic SW, µg/1
(Dissolved)
Arsenic
340
150
69
36
Beryllium
65
6.5
---
---
Cadmium
Calculation
Calculation
40
8.8
Chromium III
Calculation
Calculation
---
---
Chromium VI
16
11
1100
50
Copper
Calculation
Calculation
4.8
3.1
Lead
Calculation
Calculation
210
8.1
Nickel
Calculation
Calculation
74
8.2
Silver
Calculation
0.06
1.9
0.1
Zinc
Calculation
Calculation
90
81
Table 1 Notes:
1. FW= Freshwater, SW= Saltwater
2. Calculation = Hardness dependent standard
3. Only the aquatic life standards listed above are expressed in dissolved form. Aquatic life
standards for Mercury and selenium are still expressed as Total Recoverable Metals due to
bioaccumulative concerns (as are all human health standards for all metals). It is still necessary
to evaluate total recoverable aquatic life and human health standards listed in 15A NCAC
2B.0200 (e.g., arsenic at 10 µg/1 for human health protection; cyanide at 5 µg/L and fluoride at
1.8 mg/L for aquatic life protection).
Table 2. Dissolved Freshwater Standards for Hardness -Dependent Metals
The Water Effects Ratio (WER) is equal to one unless determined otherwise under 15A
NCAC 02B .0211 Subparagraph (11)(d)
Metal
NC Dissolved Standard, µg/I
Cadmium, Acute
WER*{1.136672-[ln hardness](0.041838)} • e^{0.9151 [ln hardness]-3.1485}
Cadmium, Acute Trout waters
WER*{1.136672-[ln hardness](0.041838)} • e^{0.9151[ln hardness]-3.6236}
Cadmium, Chronic
WER*{1.101672-[ln hardness](0.041838)} • e^{0.7998[ln hardness]-4.4451}
Chromium III, Acute
WER*0.316 • e^{0.8190[ln hardness]+3.7256}
Chromium III, Chronic
WER*0.860 • e^{0.8190[ln hardness]+0.6848}
Copper, Acute
WER*0.960 • e^{0.9422[ln hardness]-1.700}
Copper, Chronic
WER*0.960 • e^{0.8545[ln hardness]-1.702}
Lead, Acute
WER*{1.46203-[ln hardness](0.145712)} • e^{1.273[ln hardness]-1.460}
Lead, Chronic
WER*{1.46203-[ln hardness](0.145712)} • e^{1.273[ln hardness]-4.705}
Nickel, Acute
WER*0.998 • e^{0.8460[ln hardness]+2.255}
Nickel, Chronic
WER*0.997 • e^{0.8460[ln hardness]+0.0584}
Page 1 of 4

Permit No NC0041696
Silver, Acute
WER*0.85 • e^{1.72[ln hardness]-6.59}
Silver, Chronic
Not applicable
Zinc, Acute
WER*0.978 • e^{0.8473[ln hardness]+0.884}
Zinc, Chronic
WER*0.986 • e^{0.8473[ln hardness]+0.884}
General Information on the Reasonable Potential Analysis (RPA)
The RPA process itself did not change as the result of the new metals standards. However, application of
the dissolved and hardness -dependent standards requires additional consideration in order to establish the
numeric standard for each metal of concern of each individual discharge.
The hardness -based standards require some knowledge of the effluent and instream (upstream) hardness
and so must be calculated case -by -case for each discharge.
Metals limits must be expressed as `total recoverable' metals in accordance with 40 CFR 122.45(c). The
discharge -specific standards must be converted to the equivalent total values for use in the RPA
calculations. We will generally rely on default translator values developed for each metal (more on that
below), but it is also possible to consider case -specific translators developed in accordance with
established methodology.
RPA Permitting Guidance/WQBELs for Hardness -Dependent Metals - Freshwater
The RPA is designed to predict the maximum likely effluent concentrations for each metal of concern,
based on recent effluent data, and calculate the allowable effluent concentrations, based on applicable
standards and the critical low -flow values for the receiving stream.
If the maximum predicted value is greater than the maximum allowed value (chronic or acute), the
discharge has reasonable potential to exceed the standard, which warrants a permit limit in most cases. If
monitoring for a particular pollutant indicates that the pollutant is not present (i.e. consistently below
detection level), then the Division may remove the monitoring requirement in the reissued permit.
1. To perform a RPA on the Freshwater hardness -dependent metals the Permit Writer compiles the
following information:
• Critical low flow of the receiving stream, 7Q10 (the spreadsheet automatically calculates
the 1Q10 using the formula 1Q10 = 0.843 (s7Q10, cfs) 0.993
• Effluent hardness and upstream hardness, site -specific data is preferred
• Permitted flow
• Receiving stream classification
2. In order to establish the numeric standard for each hardness -dependent metal of concern and for
each individual discharge, the Permit Writer must first determine what effluent and instream
(upstream) hardness values to use in the equations.
The permit writer reviews DMR's, Effluent Pollutant Scans, and Toxicity Test results for any
hardness data and contacts the Permittee to see if any additional data is available for instream
hardness values, upstream of the discharge.
If no hardness data is available, the permit writer may choose to do an initial evaluation using a
default hardness of 25 mg/L (CaCO3 or (Ca + Mg)). Minimum and maximum limits on the
hardness value used for water quality calculations are 25 mg/L and 400 mg/L, respectively.
If the use of a default hardness value results in a hardness -dependent metal showing reasonable
potential, the permit writer contacts the Permittee and requests 5 site -specific effluent and
upstream hardness samples over a period of one week. The RPA is rerun using the new data.
Page 2 of 4

Permit No. NC0041696
The overall hardness value used in the water quality calculations is calculated as follows:
Combined Hardness (chronic)
= (Permitted Flow, cfs *Avg. Effluent Hardness, mg/L) + (s7Q10, cfs *Avg. Upstream Hardness, mg/
(Permitted Flow, cfs + s7Q10, cfs)
The Combined Hardness for acute is the same but the calculation uses the 1Q10 flow.
3. The permit writer converts the numeric standard for each metal of concern to a total recoverable
metal, using the EPA Default Partition Coefficients (DPCs) or site -specific translators, if any
have been developed using federally approved methodology.
EPA default partition coefficients or the "Fraction Dissolved" converts the value for
dissolved metal at laboratory conditions to total recoverable metal at in -stream
ambient conditions. This factor is calculated using the linear partition coefficients
found in The Metals Translator: Guidance for Calculating a Total Recoverable
Permit Limit from a Dissolved Criterion (EPA 823-B-96-007, June 1996) and the
equation:
Cdiss = 1
Ctotal 1 + { [K 0] [SS°' ] [10-6]
Where:
ss = in -stream suspended solids concentration [mg/1], minimum of 10 mg/L used,
and
Kpo and a = constants that express the equilibrium relationship between dissolved
and adsorbed forms of metals. A list of constants used for each hardness -dependent
metal can also be found in the RPA program under a sheet labeled DPCs.
4. The numeric standard for each metal of concern is divided by the default partition coefficient (or
site -specific translator) to obtain a Total Recoverable Metal at ambient conditions.
In some cases, where an EPA default partition coefficient translator does not exist (ie. silver), the
dissolved numeric standard for each metal of concern is divided by the EPA conversion factor to
obtain a Total Recoverable Metal at ambient conditions. This method presumes that the metal is
dissolved to the same extent as it was during EPA's criteria development for metals. For more
information on conversion factors see the June, 1996 EPA Translator Guidance Document.
5. The RPA spreadsheet uses a mass balance equation to determine the total allowable concentration
(permit limits) for each pollutant using the following equation:
Ca = (s7Q10 + Qw) (Cwqs) — (s7Q10) (Cb)
Qw
Where: Ca = allowable effluent concentration (µg/L or mg/L)
Cwqs = NC Water Quality Standard or federal criteria (µg/L or mg/L)
Cb = background concentration: assume zero for all toxicants except NH3* (µg/L or mg/L)
Qw = permitted effluent flow (cfs, match s7Q10)
s7Q10 = summer low flow used to protect aquatic life from chronic toxicity and human
health through the consumption of water, fish, and shellfish from noncarcinogens (cfs)
* Discussions are on -going with EPA on how best to address background concentrations
Flows other than s7Q10 may be incorporated as applicable:
1Q10 = used in the equation to protect aquatic life from acute toxicity
Page 3 of 4

Permit No NC0041696
QA = used in the equation to protect human health through the consumption of water, fish, and shellfish
from carcinogens
30Q2 = used in the equation to protect aesthetic quality
6. The permit writer enters the most recent 2-3 years of effluent data for each pollutant of concern.
Data entered must have been taken within four and one-half years prior to the date of the permit
application (40 CFR 122.21). The RPA spreadsheet estimates the 95th percentile upper
concentration of each pollutant. The Predicted Max concentrations are compared to the Total
allowable concentrations to determine if a permit limit is necessary. If the predicted max exceeds
the acute or chronic Total allowable concentrations, the discharge is considered to show
reasonable potential to violate the water quality standard, and a permit limit (Total allowable
concentration) is included in the permit in accordance with the U.S. EPA Technical Support
Document for Water Quality -Based Toxics Control published in 1991.
7. When appropriate, permit writers develop facility specific compliance schedules in accordance
with the EPA Headquarters Memo dated May 10, 2007 from James Hanlon to Alexis Strauss on
40 CFR 122.47 Compliance Schedule Requirements.
8. The Total Chromium NC WQS was removed and replaced with trivalent chromium and
hexavalent chromium Water Quality Standards. As a cost savings measure, total chromium data
results may be used as a conservative surrogate in cases where there are no analytical results
based on chromium III or VI. In these cases, the projected maximum concentration (95th %) for
total chromium will be compared against water quality standards for chromium III and
chromium VI.
9. Effluent hardness sampling and instream hardness sampling, upstream of the discharge, are
inserted into all permits with facilities monitoring for hardness -dependent metals to ensure the
accuracy of the permit limits and to build a more robust hardness dataset.
10. Hardness and flow values used in the Reasonable Potential Analysis for this permit included:
Date:
Parameter
Value
Comments (Data Source)
Average Effluent Hardness (mg/L)
[Total as, CaCO3 or (Ca+Mg)]
23.24
Effluent pollutant scans/DMR data
Average Upstream Hardness (mg/L)
[Total as, CaCO3 or (Ca+Mg)]
11.11
Effluent pollutant scans/DMR data
7Q10 summer (cfs)
225.00
Previous Fact Sheet
1Q10 (cfs)
182.62
RPA Calculation
Permitted Flow (MGD)
3.5, 7.5, 10.5
12/18/2020
Permit Writer:
Diana Yitbarek
Page 4 of 4

The Division received comments/questions from the Lake Rhodhiss WWTP on January 6, 2021 and
provided the following responses:
1. Question: Per your statement, Lake Rhodhiss is no longer on the 303(d) list because of improved
conditions and testing has been adjusted accordingly. Is there an anticipated conclusion date for the
Catawba Basin study TMDL?
Response: No. According to basin planners, the next Catawba Basin plan is scheduled to start in late
2022. As of July 30, 2020, the prioritized TMDL list that could be completed by September 30, 2022,
can be seen here. Once the list gets updated, it will be posted here.
2. Question: Will we receive nutrient loading limits once TMDL is completed, regardless of Tiered
permit designation?
Response: Once the TMDL development process starts, there should be full and meaningful public
participation. After the process is complete, the TMDL will be implemented upon the following
permit reissuance period.
3. Question: Furthermore, there's a bit of reservation (from us) about the utilization of 2007 — 2009 data
points for the Point Source Action Plan ... is that data still considered relevant/current 10+ years
later? Is there more current data to be considered and does the State continue annual testing cycles
(10/yr?) on the Catawba Basin?
Response: The Division calculated the actual load discharge (freeze load) during a representative
period of operation, 2-3 years. This freeze load approach allows us to approve a future expansion
without increasing the loading to the Catawba any further. However, we understand your concern.
4. Comment: Stream data: The statement regarding dissolved oxygen being 'a statistically significant
difference between upstream and downstream' is true, as the data collected and reported is
actual. We would like to simply make DEQ aware that the respective sampling points are located on
the river bank (upstream site/water plant intake pump house) and from a boat access point (Castle
Bridge/cove area). The data collected is not mid -channel of the river and subject to any number of
circumstances that could affect data results (i.e. shallow water, warming, boat traffic, turbulence,
etc.) Employee safety is paramount and these sites provide the best access and distance from POTW,
for sampling purposes.
Response- Thanks for providing a statement regarding dissolved oxygen. I will add information to the
fact sheet in section 4. Instream Data Summary
5. Comment: Compliance History: Most, if not all, of the NOV's for TSS, BOD & Fecal are related to
weather events. The Town of Valdese experiences significant Inflow & Infiltration within the
collection system, has and continues to address high priority areas through funding grants/requests,
yet still succumbs to hydraulic overload. All practical, operational actions and avenues are conducted
during these naturally occurring rain events and often times, still cannot avoid the volume and
resulting upset conditions. Outside of these instances, the facility operates confidently and
efficiently; easily attaining stipulated NPDES limits. I would ask that future consideration be given
to performance of a facility overall (i.e. NH3 monitoring reduction) whereby extenuating
circumstances/conditions, such as naturally occurring events that cause non-compliance, not "close -
the -door" on such a request.
Response: Thank you for the information; however, the monitoring frequencies were determined
based on the October 12, 2012, DWQ Guidance Regarding the Reduction of Monitoring Frequencies
in NPDES Permits for Exceptionally Performing Facilities. This Guidance incorporates provisions for
effluent variability and we assessed your Facility's performance against them.

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
Director
MEMORANDUM
To:
NORTH CAROLINA
Environmental Quality
December 30, 2020
Nicole Hairston
NC DEQ / DWR / Public Water Supply
Asheville Regional Office
From: Diana Yitbarek
NC DEQ / DWR / Municipal Permitting Unit
Subject: Review of Draft NPDES Permit NC0041696
Lake Rhodhiss WWTP
Burke County
Please indicate below your agency's position or viewpoint on the draft permit and return this form by
January 30, 2021. If you have any questions on the draft permit, please contact me at 919-707-9130 or
via e-mail [[e-mail]].
RESPONSE: (Check one)
X
§ § § § § § § § § § § § § § § § § § § § § § § § § § § § § § § §
Concur with the issuance of this permit provided the facility is operated and maintained properly,
the stated effluent limits are met prior to discharge, and the discharge does not contravene the
designated water quality standards.
Concurs with issuance of the above permit, provided the following conditions are met:
Opposes the issuance of the above permit, based on reasons stated below, or attached:
Signed: Votemtote
D_E
NUN fH 17.Ai(1:INA
Date: 12/30/20
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
919,707.9000
OepaNnBnl perEnrlrpnmenln{ puali

Morganton News Herald
Advertising Affidavit
PO Box 968
Hickory, NC 28603
NC DENRIDWQ
ATTN: WREN THEDFORD
1617 MAIL SERVICE CENTER
RALEIGH. NC 27699-1617
Account Number
3142720
Date
January O5, 2021
Date Category
Description
Ad Number Ad Size
01/05/2021 Legal Notices
Public Notice North Carolina Environmental Management Comi 0000694471
Publisher of
Morganton News Herald
Burke County
13etore the undersigned. a Notary Public duly commissioned. qualified.
and authorized by law to administer oaths, personally appeared the
Publisher's Representative who by being duly sworn deposes and says:
that he/she is authorized to make this affidavit and sworn statement: that
the notice or other legal advertisement. a copy of which is attached hereto.
was published in the News Herald on the following dates:
01/05/2021
2 x 30 L
and that the said newspaper in which such notice, paper document, or
legal advertisement was published, was at the time of each and every such
publication. a newspaper meeting all the requirements and qualifications
of Section 1-597 of the General Statutes of North Caro,#ina.
Billing Represeniatn•e
Newspaper reference: 0000694471
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Notary Public
State of Virginia
County of Hanover
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Richard A. Hundley
Notary Public
Commonwealth of Virginia
Notary Registration No. 7904041
Cnmm1ssion Fxp Jan 31, 2024
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Public Notice
North Carolina Environmental Management Commission/NPDES Unit
1617 Mad Service Center
Raleigh, NC 27699-1617
Notice of Intent to Issue a NPDES Wastewater Permit NC0041696 Lake
Rhodhiss WWTP
The North Carolina Environmental Management Commission proposes to
issue a NPDES wastewater discharge permit to the person(s) listed below.
Written comments regarding the proposed permit will be accepted until
30 days after the publish date of this notice. The Director of the NC Divi-
sion of Water Resources (DWR) may hold a public hearing should there be
a significant degree of public interest. Please mail comments and/or infor-
mation requests to DWR at the above address. Interested persons may vis-
it the DWR at 512 N. Salisbury Street, Raleigh, NC 27604 to review infor-
mation on file. Additional information on NPDES permits and this notice
may be found on our website: http://deq.nc.gov/about/divisions/water-re
sources/water-resources-permits/wastewater-branch/npdes-
wastewater/public-notices , or by calling [phone]. The Town of
Valdese (P.O. Box 339, Valdese, NC 28690) has requested renewal of per-
mit NC0041696 for its Lake Rhodhiss wastewater treatment plant in Burke
County. This permitted facility discharges treated domestic and industrial
wastewater to Lake Rhodhiss (Catawba River) in the Catawba River Basin.
Currently, flow, biochemical oxygen demand, dissolved oxygen, total sus-
pended solids, fecal conform, pH, and total residual chlorine are water
quality limited parameters in the permit. This discharge may affect fu-
ture allocations in this segment of Lake Rhodhiss (Catawba River).
Publish: January 5,2021.