NC0023876_Permit (Issuance)_20140606

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NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory
Governor
Robert C. Patterson, Jr.
Water Resources Director
P. O. Box 1358
Burlington, NC 27216-1358
Dear Mr. Patterson:
John E. Skvarla, III
Secretary
June 6, 2014
Subject: Issuance of NPDES Permit
Permit NC0023876
South Burlington WWTP
Alamance County
Class TV
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).
Proposed federal regulations require electronic submittal of all discharge monitoring reports
(DMRs) and specify that, if a state does not establish a system to receive such submittals, then
permittees must submit DMRs electronically to the Environmental Protection Agency (EPA). The
Division anticipates that these regulations will be adopted and is beginning implementation.
The requirement to begin reporting discharge monitoring data electronically using the NC
DWR's Electronic Discharge Monitoring Report (eDMR) interne application has been added to your
final NPDES permit with eDMR reporting to begin no later than April 1, 2015. [See Special Condition
A. (10)]. For information on eDMR, registering for eDMR and obtaining an eDMR user account,
please visit the followingweb page:
http://portal.ncdenr.org/web/wq/admin/bog/ipu/edmr.
For information on EPA's proposed NPDES Electronic Reporting Rule, please visit the following web
site:
http://www2. epa. gov/compliance/proposed-npdes-electronic-reporting-rule.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Phone: [phone] Internet: www.ncwaterquality.org
An Equal OpportunitylAffirmative Action Employer

Robert C. Patterson, Jr., Water Resources Director
June 6, 2014
Page 2 of 3
Summary of Changes in Final Permit from Existing Permit
1) TSS, Ammonia as Nitrogen, and Fecal Coliform monitoring were reduced to 2/week. The
Exceptional Performance Criterion for monitoring reduction was met for these parameters and
implemented in this permit.
2) Outfall COI Total Delivered Nitrogen Load compliance date was revised to January 1, 2018,
and is contingent on the Permittee obtaining all necessary authorization -to -construct permits
to meet the limit prior to December 31, 2016. Compliance date and conditions as defined by
Jordan Lake Wastewater Discharge Rule (15A NCAC 02B .0270) as modified by North
Carolina Session Law 2011-394 (HB119) was implemented in this permit. [See Special
Condition A. (2)].
3) Total Copper and Total Zinc monitoring was reduced to quarterly to be in conjunction with
toxicity test. Division guidance for monitoring these action level parameters was implemented
in this permit.
4) Total Cyanide and Total Silver monitoring were removed but remain as pretreatment and
Effluent Pollutant Scan monitoring parameters. Division guidance for monitoring these
parameters was implemented in this permit.
5) Effluent Pollutant Scan seasonal monitoring requirement was revised to require a total of three
seasonal scans in designated years prior to the next permit renewal. In addition, a new
narrative was added alerting the Permittee to the four second species toxicity tests
requirements that must be completed prior to the next permit renewal. The US EPA permit
renewal requirements for seasonal scansand second species toxicitytesting were defined in this
permit. [See Special Condition A. (5)].
6) Total Mercury monitoring and limit was removed but remain as pretreatment and effluent
pollutant scan monitoring parameter. A new special condition A. (9) Mercury Minimization
Plan (MMP) was added and must be completed no later than January 1, 2015. The US EPA
approved Mercury TMDL was implemented in this permit. [See Special Condition A. (9)].
7) Supplement to Permit Cover Sheet components list and Chronic Toxicity Pass/Fail Permit
Limit narratives were updated. [See Special Condition A. (4)].
8) A Special Condition and footnote for electronic reporting of DMRs with compliance to begin
no later than April 1, 2015 was added to this permit. [See Special Condition A. (10)].
9) The transport factors, TNTF and TPTF, for East Burlington WWTP NC0023868 were corrected.
[See Special Condition A. (8)].
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 permits required by the Division of Land Resources, the Coastal Area Management Act or any other
federal or local governmental permits that may be required.

Robert C. Patterson, Jr., Water Resources Director
June 6, 2014
Page 3 of 3
If you have any questions concerning this permit, please contact Ron Berry at telephone
number [phone] or at email [e-mail].
Sincerely,
efit4omas A. Reeder, Director
Division of Water Resources, NCDENR
Attachments
Cc: Winston Salem Regional Office/Water Quality Programs
EPA Region IV (email)
Email: [e-mail]
WSS/Aquatic Toxicology Branch/Susan Meadows (email)
WSS/Ecosystems Branch/Steve Kroeger (email)
WS S/Ecosystems Branch/Carrie Ruhlman (email)
PWSS/Regional Engineer/Eric Hudson (email)
Mike Templeton (email)
Central Files
NPDES File

Permit NC0023876
STAI E OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WAS'IEWAI'ER 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
City of Burlington
is hereby authorized to discharge wastewater from a facility located at the
South Burlington WWTP
2471 Boy Wood Road
Graham
Alamance County
to receiving waters designated as Big Alamance Creek in the Cape Fear River Basin in accordance with
effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, and IV
hereof.
The permit shall become effective July 1, 2014.
This permit and authorization to discharge shall expire at midnight on June 30, 2019.
Signed this day June 6, 2014.
omas A, Reeder, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Page 1 of 13

Permit NC0023876
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.
The City of Burlington
is hereby authorized to:
1. Continue to operate an existing 12.0 MGD wastewater treatment facility consisting of the following
components:
o Bar screen (offsite)
o Grit chamber (offsite)
o Swepsonville bar screen (off site)
o Swepsonville flow channel (off site)
o One (1) 3,500,000 gallon influent equalization basin with aerators
o Influent meter channel
a Influent composite sampler
o Distribution box
a Two (2) 95 ft diameter primary clarifiers
o Sixteen (16) 155,100 gallon BNR cells with mixers and recycle pumps
o One (1) 1,700,000 gallon aeration basin with blowers
o One (1) 2,700,000 gallon aeration basin with blowers
o Two (2) 80 ft diameter secondary clarifiers
o Two (2) 90 ft diameter secondary clarifiers
o One (1)100 ft diameter secondary clarifier
o One (1) tertiary sand filter with six (6) filter cells and backwash pumps
o One (1) 94,2000 gallon backwash basin
o Two (2) 90,000 gallon chlorine contact basin with chlorination system
o Dechlorination chemical addition system
o Effluent meter channel with recorder
a Effluent composite sampler
o Two (2) 60 ft diameter sludge thickeners
o Two (2) 587,000 gallon sludge digestor/processing/storage tanks
o Two (2) 592,000 gallon sludge digestor/processing/storage-tanks
o Additional process equipment for producing lime stabilized solids and compost
o Chemical storage and addition equipment for alum and liquid caustic
o Backup generators
The facility is located at South Burlington Wastewater Treatment Plant on Boy Wood Road in
Graham, Alamance County.
2. Discharge from said treatment works at the location specified on the attached map into Big
Alamance Creek, which is classified WS-V, NSW waters in the Cape Fear River Basin.
Page 2 of 13

Permit NC0023876
Part I
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
a. During the period beginning upon the effective date of this permit and lasting until expiration, the
Permittee is authorized to discharge treated wastewater from Outfall 001. Such discharges shall be
limited and monitored 1 by the Permittee as specified below:
EFFLUENT
CHARACTERISTICS
EFFLUENT LIMITATIONS
MONITORING REQUIREMENTS
Monthly
• Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location 2
Flow
12.0 MGD
Continuous
Recording
Influent or
Effluent
Total Monthly Flow 3
(TMF)
Monitor & Report, MG
Monthly
Recorded or
Calculated
Influent or
Effluent
BOD, 5-day, (20°C) 4
(April 1— October 31)
9.0 mg/L
13.5 mg/L
Daily
Composite
Influent &
Effluent
BOD, 5-day, (20°C) 4
(November 1 — March 31)
18.0 mg/L
27.0 mg/L
Daily
Composite
Influent &
Effluent
pH
Not greater than 9.0 S.U. nor less than
6.0 S.U.
Daily
Grab
Effluent
Total Residual Chlorine 5
Dissolved Oxygen
1 19 µlb
Not less than 6.0 mg/L, daily average
Daily
Daily
Grab
Grab
Effluent
Effluent
Temperature, °C
Daily
Grab
Effluent
Conductivity, µmhos/cm
Daily
Grab
Effluent
Total Suspended Solids 4
30.0 mg/L
45.0 mg/L
2/Week
Composite
Influent
&
NH3 as N
(April 1-October 31)
3.0 mg/L
9.0 mg/L
2/Week
Composite
Effluent
NH3 as N
(November 1-March 31)
6.0 mg/L
18.0 mg/L
2/Week
Composite
Effluent
Fecal Coliform
(geometric mean)
200/100mL
400/100mL
2/Week
Grab
Effluent
Total Kjeldahl Nitrogen 6
Monitor & Report , mg/L
Weekly
Composite
Effluent
Nitrate/Nitrite Nitrogen 6
Monitor & Report, mg/L
Weekly
Composite
Effluent
Total Nitrogen (TN) 3'6
Monitor & Report, mg/L
Weekly
Composite
Effluent
TN Load 3'7
Monitor & Report, Ib/mo
Monthly
Monitor & Report, lb/yr
Annually
Calculated
Effluent
Effluent
Total Phosphorus (TP)
Monitor & Report, mg/L
Weekly
Composite
Effluent
TP Load 3'7
Monitor & Report, lb/mo
Monthly
Monitor & Report, lb/yr
Annually
Calculated
Effluent
Effluent
Total Copper, µg/L 8
Quarterly
Composite
Effluent
Total Zinc, µg/L 8
Quarterly
Composite
Effluent
Chronic Toxicity 9
Quarterly
Composite
Effluent
Effluent Pollutant Scan
Footnote 10
Effluent
Page 3 of 13

Permit NC0023876
(Continued A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS)
Footnotes:
1. No later than April 1, 2015, the Permittee must begin submitting discharge monitoring reports electronically
using NC DWR's eDMR application system. See Special Condition A. (10.) ELECTRONIC REPORTING
OF DISCHARGE MONITORING REPORTS for details.
2. For instream monitoring requirements and sample locations, see Special Condition A. (3) INSTREAM
MONITORING REQUIREMENTS. Instream monitoring requirements shall be waived as long as the facility
continues to participate in the Upper Cape Fear River Basin Association.
3. TMF is total monthly flow. TN Load or TP Load is the mass quantity of Total Nitrogen and Total Phosphorus
discharged in a given period of time. See Special Condition A. (8) CALCULATION AND REPORTING OF
NUTRIENT LOADS.
4. The monthly average BOD5 and Total Suspended Solids concentrations shall not exceed 15% of the
respective influent value (85% removal).
5. The Division shall consider all effluent TRC values reported below 50 ug/L 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/L.
6. TN = TKN + (NO3-N + NO2-N), where TN is Total Nitrogen, TKN is Total Kjeldahl Nitrogen, and (NO3-N +
NO2-N) are Nitrate/Nitrite Nitrogen, respectively.
7. The facility is subject to nutrient limitations as specified in Special Condition A. (2) COMBINED
LIMITATIONS FOR NUTRIENTS — Outfall C01.
8. Total copper and total zinc shall be measured in conjunction with quarterly chronic toxicity test.
9. Chronic Toxicity (Ceriodaphnia) P/F at 86% in January, April, July, and October, see Special Condition A.
(4) CHRONIC TOXICITYPASS/FAIL PERMIT LIMIT.
10. The permittee shall perform three Effluent Pollutant Scans during the term of this permit, see Special
Condition A. (5) EFFLUENT POLLUTANT SCAN.
b. There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 4 of 13

Permit NC0023876
A. (2) COMBINED LIMITATIONS FOR NUTRIENTS — Outfall C01
a. During the period beginning on the effective date of this permit or as specified below and lasting
until permit expiration, the Permittee is further authorized to discharge Total Nitrogen and Total
Phosphorus from the East Burlington WWTP (NC0023868, Outfall 001) and the South Burlington
WWTP (NC0023876, Outfall 001) subject to the following combined, delivered load limitations:
Total Nitrogen,
Delivered (lb/yr) 1
Total Phosphorus,
Delivered (lb/yr) 1
Permit
Facility
Active
Allocations
Combined
Limit.
Active
Allocations
Combined
Limit
NC0023868
East Burlington
WWTP
148,670
16,746
NC0023876
South Burlington
WWTP
154,463
17,717
303,133
(effective 1/1/2018) 2
34,463
Footnote:
1. Allocations and limits in this table are expressed as delivered loads. See Condition A. (8)
regarding calculation of delivered loads from discharge loads.
2. Per the Jordan Lake Wastewater Discharge Rule (15A NCAC 02B .0270) as modified by
North Carolina Session Law 2011-394 (HB119), the annual mass Total Nitrogen limit shall
be effective January 1, 2018. The Permittee must acquire the necessary authorization -to -
construct permits for construction, installation, or alteration of the treatment works for
purpose of complying with this limit prior to December 31, 2016.
b. Compliance with these limits shall be determined in accordance with Special Conditions A. (7),
Annual Limits for Total Nitrogen and Total Phosphorus, and A. (8), Calculation and Reporting of
Nutrient Loads.
c. Nutrient monitoring and reporting requirements are specified in Special Conditions A. (1), Effluent
Limitations and Monitoring Requirements, and A.(8), Calculation and Reporting of Nutrient Loads.
d. Pursuant to N.C. General Statute Section 143-215.1 and the implementing rules found in Title 15A
of the North Carolina Administrative Code, specifically, 15A NCAC 02B.0270, and Part II, Sections
B-12 and B-13 of this permit, the Division of Water Resources (Division) may reopen the permits
listed above and establish more stringent nutrient limits upon finding that such limits are necessary
to prevent the discharges from causing localized water quality impacts in the receiving streams.
e. The Permittee may request that its permits be modified to rescind these combined limits and
establish individual mass discharge limits for each facility. The Division may, after written
notification to the Permittee, rescind these combined limits and establish individual mass discharge
limits for each facility if it determines that the combined limits do not support the objectives of the
Jordan Lake Nutrient Management Strategy. The Division shall provide for public review of the
proposed permit modifications and include in the permit an appropriate schedule of compliance for
the proposed nutrient limits.
Page 5 of 13

Permit NC0023876
A. (3) INSTREAM MONITORING REQUIREMENTS
Instream monitoring requirements in this NPDES permit shall be provisionally waived so long as the
Permittee remains a member of the Upper Cape Fear River Basin Association and the Association
continues to function as approved by the Division and Environmental Management Commission. If the
Permittee does not participate in the Association or if the Association ceases to function, the instream
monitoring requirements in this permit become effective immediately; and the Division may reopen this
permit by administrative letter to establish additional instream monitoring requirements it deems
necessary to adequately characterize the effects of the discharges on water quality in the receiving
stream.
PARAMETERS TO BE SAMPLED:
Parameter
Sample Type
Frequency
Dissolved Oxygen, mg/L
Grab
3/week (June 1 —.September 30)
1/week (October 1— May 31)
Temperature, °C
Grab
3/week (June 1 — September 30)
1/week (October 1 — May 31)
Conductivity, µmhos/cm
Grab
3/week (June 1—September 30)
1/week (October 1 — May 31)
Total Phosphorus, mg/L
Grab
3/week (June 1 —September 30)
1/week (October 1 — May 31)
SAMPLE LOCATIONS:
1. Upstream: Highway 87
2. Downstream:
D 1 = Boy Wood Road (NCSR 2116)
D2 = Saxapahaw Lake — above dam (sampling at this point shall not be required if the
river flow is greater than 250 cfs at the USGS gauge 02096500)
D3 = NCSR 1005
Instream sampling should be coordinated to reduce redundant sampling for the Burlington — East,
Burlington — South, and Graham wastewater treatment facilities under the guidance of the Winston-
Salem Regional Office. Each facility should conduct instream sampling the same day and in so far as
possible at the same time of day.
When instream sampling occurs, data shall be entered on a form approved by the Division of Water
Resources and shall be summarized in an annual report due by January 1st of the year immediately
following the end of the summer period, September 30th, summarizing the last 12 months. The report
shall be sent to:
NCDENR/D WR
WPS/Modeling and Assessment Branch
1611 Mail Service Center
Raleigh, NC 27699-1611
Page 6 of 13

Permit NC0023876
A. (4) CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Ceriodaphnia dubia at an effluent concentration of 86%.
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, and October. These months signify the first month of each three month
toxicity testing quarter assigned to the facility. Effluent sampling for this testing must be obtained
during representative effluent discharge and 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 on the Effluent
Discharge Monitoring Form (MR-1) 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, DWQ Form AT-
3 (original) is to be sent to the following address:
Attention: North Carolina Division of Water Resources
WSS/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Aquatic Toxicology Branch 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
Environmental 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 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.
Page7of13

Permit NC0023876
A. (5) EFFLUENT POLLUTANT SCAN
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: 2015, 2016, and 2017. 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
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-chloroethylvinyl ether
Chloroform
Dichlorobromomethane
1,1-dichloroethane
1,2-dichloroethane
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
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
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
Diethyl phthalate
Dimethyl phthalate
2,4-dinitrotoluene
2,6-dinitrotoluene
1,2-diphenylhydrazine
Fluoranthene
Fluorene
Hexachlorobenzene
Hexachlorobutadiene
Hexachlorocyclo-pentadiene
Hexachloroethane
Indeno (1,2,3-cd)pyrene
Isophorone
Naphthalene
Nitrobenzene
N-nitrosodi-n-propylamine
N-nitrosodimethylamine
N-nitrosodiphenylamine
Phenanthrene
Pyrene
1,2,4-trichlorobenzene
Reporting. Test results shall be reported on DWR Form -A MR-PPA1 (or in a form approved by the Director) by
December 31 s` of each designated sampling year. The report shall be submitted to the following address:
NC DENR / DWR / Central Files, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617
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
Page 8 of 13

Permit NC0023876
(Continued A. (5) EFFLUENT POLLUTANT SCAN)
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
WSS/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
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. (6) NUTRIENT ALLOCATIONS
a. The following table lists the Total Nitrogen (TN) and Total Phosphorus (TP) allocations assigned
to, acquired by, or transferred to the Permittee in accordance with the Jordan Lake nutrient
management rule (T15A NCAC 02B .0270) and the status of each as of permit issuance. For
compliance purposes, this table does not supersede any TN or TP limit established elsewhere in this
permit or in the NPDES permit of a compliance association of which the Permittee is a Co-
Permittee Member.
Total Nitrogen Allocation Table
ALLOCATION
TYPE
SOURCE
DATE
ALLOCATION AMOUNT 1
STATUS
Delivered
(lb/yr)
Discharge
(lb/yr)
Base
Assigned by Rule
(T15A NCAC 02B .0270)
8/11/09
154,463
193,078
Active
Total Nitrogen Allocation:
154,463
193,078
Active
Footnote:
1. Nitrogen Transport Factor = 80%
Total Phosphorus Allocation Table
ALLOCATION
TYPE
SOURCE
DATE
ALLOCATION AMOUNT 2
STATUS
Delivered
(lb/yr)
Discharge
(lb/yr)
Base
Assigned by Rule
(T15A NCAC 02B .0270)
8/11/09
17,717
24,270
Active
Total Phosphorus Allocation:
17,717
24,270
Active
Footnote:
2. Phosphorus Transport Factor = 73%
b. Any addition, deletion, or modification of the active allocation(s) listed above (other than to correct
typographical errors) or any change of allocation to `active' status shall be considered a major
modification of this permit and shall be subject to the public review process afforded such
modifications under state and federal rules.
Page9of13

Permit NC0023876
A. (7) ANNUAL LIMITS FOR TOTAL NITROGEN AND TOTAL PHOSPHORUS
a. Total Nitrogen (TN) and Total Phosphorus (TP) allocations and load limits for NPDES dischargers
in the Jordan Lake watershed are annual loads and apply on a calendar year basis.
b. For any given calendar year, the Permittee shall be in compliance with the annual TN (or TP)
Discharge Load limit in this Permit if:
(i.) the Permittee's annual TN (or TP) Discharge Load is not greater than the effective limit, or
(ii.) the Permittee is a Co-Permittee Member of a compliance association.
c. The TN (or TP) limit in this Permit may be modified as the result of allowable changes in the
Permittee's allocation.
(i.)
Allowable changes include those resulting from purchase of TN (or TP) allocation from an
authorized mitigation banker, the Ecosystem Enhancement Program, or other source allowed
under applicable regulations; purchase, sale, trade, or lease of allocation between the
Permittee and other dischargers; regionalization; and other transactions approved by the
Division.
(ii.) The Permittee may request a modification of the TN (or TP) limit in this Permit to reflect
allowable changes in its allocation(s).
(A) Upon receipt of timely and proper application, the Division will modify the permit as
appropriate and in accordance with state and federal program requirements.
(B) Changes in TN (or TP) limits become effective on January 1 of the year following
permit modification. The Division must receive application no later than August 31 for
changes proposed for the following calendar year.
(iii.) Any requests for modification should be sent to:
NCDENR/ DWR/ WQ Permitting Section - NPDES
Attn: Jordan Lake Watershed Coordinator
1617 Mail Service Center
Raleigh, NC 27699-1617
d. If the Permittee is a member and co-permittee of an approved compliance association on January
1 of a given year, its TN and TP discharges during that year are governed by that association's
group NPDES permit and the limits therein.
(i.) The Peiniittee shall be considered a Co-Permittee Member for any given calendar year in
which it is identified as such in Appendix A of the association's group NPDES permit.
(ii.) Association roster(s) and members' TN and TP allocations will be updated annually and in
accordance with state and federal program requirements.
(iii.) If the Permittee intends to join or leave a compliance association, the Division must be
notified of the proposed action in accordance with the procedures defined in the association's
NPDES permit.
(A) Upon receipt of timely and proper notification, the Division will modify the permit as
appropriate and in accordance with state and federal program requirements.
(B) Membership changes in a compliance association become effective on January 1 of the
year following modification of the association's permit.
e. The TN and TP monitoring and reporting requirements in this Permit remain in effect throughout
the term of the Permit and are not affected by the Permittee's membership in a compliance
association.
Page 10 of 13

Permit NC0023876
A. (8) CALCULATION AND REPORTING OF NUTRIENT LOADS
The Permittee shall calculate and report monthly and annual nutrient loads for the East Burlington
(NC0023868) and South Burlington (NC0023876) WWTPs as follows:
a. Calculation of Discharge Loads: The Permittee shall calculate monthly and annual discharge loads
for each facility as follows:
(i.) Monthly Discharge Load (lb/mo, TN or TP) = TN (or TP) x TMF x 8.34
where:
TN (or TP) = the average Total Nitrogen (or Total Phosphorus) concentration
(mg/L) of the composite samples collected during the month
TMF = the Total Monthly Flow of wastewater discharged during the
month (MG/mo)
8.34 = conversion factor, from (mg/L x MG) to pounds
(ii.) Annual Discharge Load (lb/yr, TN or TP) = Sum of the 12 Monthly TN (or TP) Loads for the
calendar year
b. Calculation of Delivered Loads:
(i.) The Permittee shall calculate delivered loads as follows:
(A) Individual, Annual Delivered Load (Ib/yr, TN or TP) =
Annual Discharge Load (Ib/yr, TN or TP) x TF
where TF = Transport Factor, as follows:
PERMIT
FACILITY
TFTN
TFTP
NC0023868
East Burlington WWTP
77%
69%
NC0023876
South Burlington WWTP
80%
73%
(B) Combined Annual Delivered Load (lb/yr) = Sum of the facilities' Individual Annual
Delivered TN (or TP) Loads for the calendar year
c. Reporting of Nutrient Discharges: The Permittee shall report each facility's monthly TN and TP
discharge loads in that facility's discharge monitoring report.
d. Reporting of Combined Delivered Loads: The Permittee shall report each calendar year's
combined delivered loads with the South Burlington WWTP's December report for that year and
shall append the report with a summary of monthly loads and calculations.
A. (9) MERCURY MINIMIZATION PLAN (MMP)
The permittee shall develop and implement a mercury minimization plan during this permit term. The
MMP shall be developed no later than January 1, 2015, and shall be available for inspection on -site. A
sample MMP was developed through a stakeholder review process and has been placed on the Division
website for guidance:
http://portal.ncdenr.org/web/wq/swp/ps/npdes under "Model Mercury Minimization Plan"
The MMP should place emphasis on identification of mercury contributors and goals for reduction.
Results shall be summarized and submitted with the next permit renewal.
Page 11 of 13

Permit NC0023876
A. (10) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS
Proposed federal regulations require electronic submittal of all discharge monitoring reports (DMRs)
and specify that, if a state does not establish a system to receive such submittals, then permittees must
submit DMRs electronically to the Environmental Protection Agency (EPA). The Division anticipates
that these regulations will be adopted and is beginning implementation in late 2013.
NOTE: This special condition supplements or supersedes the following sections within Part II of this
permit (Standard Conditions for NPDES Permits):
• Section B. (11.)
• Section D. (2.)
• Section D. (6.)
• Section E. (5.)
Signatory Requirements
Reporting
Records Retention
Monitoring Reports
1. Reporting iSupersedes Section D. (2.) and Section E. (5.) (a)1
Beginning no later than April 1, 2015, the permittee shall begin reporting 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 tocomplete the eDMR submission by printing,
signing, and submitting one signed original and a copy of the computer printed eDMR to the
following address:
NC DENR / DWR / Information Processing Unit
ATTENTION: Central Files / eDMR
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
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 above.
Requests for temporary waivers from the NPDES electronic reporting requirements 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 using eDMR. Temporary waivers shall be valid
for twelve (12) months and shall thereupon expire. At such time, DMRs shall be submitted
electronically to the Division unless the permittee re -applies for and is granted a new temporary
waiver by the Division.
Information on eDMR and application for a temporary waiver from the NPDES electronic reporting
requirements is found on the following web page:
http://portal.ncdenr.org/web/wq/admin/bog/ipu/edmr
Page 12 of 13

Permit NC0023876
(Continued A. (10) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS)
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.
2. Signatory Requirements [Supplements Section B. (11.) (b) and supersedes Section B. (11.) (d)1
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://portal.ncdenr.org/web/wq/admin/bog/ipu/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."
3. Records Retention [Supplements Section D. (6.)1
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].
Page 13 of 13

NC0023876 Discharge
USGS Quad: C21 SE Mebane, NC
Outfall Facility
Latitude: 36° 1' 4.5" N 36° 1' 16.7" N
Longitude: 79° 22' 26.4" W 79° 22' 26.2" W
Stream Class: WS-V, NSW
Subbasin: 03-06-02 HUC: 03030002
Receiving Stream: Big Alamance Creek
North
Facility Location
South Burlington WWTP NC0023876
Alamance County