NC0085154_Fact Sheet_20201123

FACT SHEET FOR EXPEDITED PERMIT RENEWALS
This form must be completed by Permit Writers for all expedited permits which do not require
full Fact Sheets. Expedited permits are generally simple 100% domestics (e.g., schools, mobile
home parks, etc) that can be administratively renewed with minor changes, but can include
facilities with more complex issues (Special Conditions, 303(d) listed water, toxicity testing,
instream monitoring, compliance concerns).
Basic Information for Expedited Permit Renewals
Permit Writer / Date
Brianna Young 11 /23/2020
Permit Number
NCO085154
Facility Name / Facility Class
Lawrence T. Sprinkle Jr. WTF / PC-1
Basin Name / Sub -basin number
French Broad / 04-03-04
Receiving Stream / HUC
UT to Ivy Creek River / 060101050805
Stream Classification / Stream Segment
WS-Il; H W, CA / 6-96- 11.3
Does permit need Daily Maximum NH3
limits?
N/A
Does permit need TRC limits/language?
Already resent
Does permit have toxicity testing? IWC (%) if
so
Yes; IWC = 90%
Does permit have Special Conditions?
Yes — compliance schedule added for copper
Does permit have instream monitoring?
Yes — added upstream hardness during
renewal
Is the stream impaired on 303 d list)?
Yes — fecal coliform
Any obvious compliance concerns?
None
Any permit mods since lastpermit?
Yes — See Section 1 below
New expiration date
9/30/2025
Comments on Draft Permit?
Yes — See Section 7
Section 1. Facility Overview:
The Weaverville WTP operates a conventional WTP designed for a potable flowrate of
1.5 MGD and a wastewater discharge of 0.025 MGD. The facility generates backflow
with an intermittent discharge (discharge 6 days per week for length of plant run after
settled). The maximum, monthly average discharge between September 2017 and August
2020 was approximately 0.0256 MGD. Chemical usage consists of: aluminum chloride
hydroxide sulfate, 12.5% caustic (sodium hydroxide), chlorine gas, corrosion inhibitor
(orthophosphate), and calcium thiosulphate.
Per the renewal application, the following changes have been made at the facility since
the last permit renewal:
• Started dechlorinating with calcium thiosulphate vs. sulphur dioxide
• Pump sludge out once a year and dried and hauled to Buncombe County landfill
• Filters rebuilt with new media, so less backwash water used now
• 75% of process water is recycled (not backwash water)
Page 1 of 8

Section 2. Compliance History (September 2015 - September 2020):
• No NODS, NOVs, or CPAs in last 5 years
• Passed all toxicity tests since January 2016
303(d) listing:
J Ilvy Creek (River)
From Adkins Branch to a point D.6 mile downstream of Adkins Branch (Town of Mars "ill water supply intake)
Classification WS-II;HQW,CA Length or Area 1 Units FW Miles Previous AU
Lssessment Criteria Status Reason for Rating Parameter of Interest
E—eedinR Criteria FCB 5in30 GM >200 or>2D% Fecal Coliform {GM 200/400, REC, FW)
Section 3. RPA:
The maximum monthly average flow between September 2017 and August 2020 was
approximately 0.0256 MGD.
• Copper — RP; Monthly monitoring with limits applied
• Aluminum — No RPA required as no NC water quality standard
• Manganese —No RPA required as no NC water quality standard; Monitoring
maintained and reduced to quarterly as discharge is to WS class waters
Section 4. NCG59 General Permit Eligibility:
• They use conventional treatment technology, therefore they are eligible
• They have passed last 12 tox tests, therefore they are eligible by tox standards
• They will receive limits for total copper, therefore they are not eligible
• Conclusion: They are not eligible for the NCG59
Section 5. Changes from previous permit to draft:
• Updated eDMR footnote in A(1) and language in A(4)
• Updated outfall map
• Added facility grade in A(1)
• Components list updated on the Supplement to Permit Cover Sheet per renewal
application
• Moved monitoring for duration of discharge and total flow from footnotes to
effluent table in A(1) per current WTP guidance
• Changed units for metals from mg/L to µg/L in A(1)
• Removed monitoring and footnote for total fluoride in A(1) as total fluoride is not
used and does not have the potential to be discharged
• Limits added for total copper and monitoring increased to monthly in A(])
o Compliance schedule added as new A(3)
Page 2 of 8

• Added hardness monitoring and associated footnotes in A(1) per current WTP
guidance
• Removed footnote #4 in A(1) stating "Samples shall be collected concurrently
with WET -test samples" as this is no longer required per current WTP guidance
• Updated tox footnote inA(1) and language in A(2)
Section 6. Changes from draft to final:
• eDMR language updated in A(3)
• Compliance date added in A(4)
Section 7. Comments received on draft permit:
• Linda Wiggs (ARO; via phone 10/13/20): Why do they have a compliance
schedule?
o DWR response: The Division's policy is to add compliance schedules to
permits when new metals limits are added. The compliance schedule
becomes an enforceable part of the permit.
• Trent Duncan (Weaverville ORC; via phone 10/29/20):
o Why was copper monitoring increased to monthly and where did the limit
come from?
■ DWR response: The facility discharges to a HQW and WS class
waters. Since the creek is classified for other uses, that lowers the
metals limits. Based on data submitted to the Division on the
DMR, copper had a potential to exceed limits. This could be due to
not reporting down to the PQL, or other reasons. There is a
compliance schedule that gives the facility a few years to figure the
issue out before the limit takes effect.
■ Trent Duncan: Will speak to the contract lab and make sure they
are reporting properly.
o Why was hardness monitoring added? I understand that has something to
do with toxicity and copper.
■ DWR response: Hardness monitoring is used when hardness
dependent metals are present. This helps determine any permit
limits. As no hardness data was available, the default hardness
value of 25 mg/L was used for both effluent and upstream.
■ Trent Duncan: The pipe will be opened up again to start the
upstream sampling. It is possible to take upstream samples as it
had to be done in the past.
o Why was duration of discharge and total flow added?
■ DWR response: These were present in the previous permit. They
were moved from the footnotes up to the effluent table.
o When does the new monitoring begin?
■ DWR response: The permit will not become before January 1st
based on the public notice timeline.
Page 3 of 8

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 April 6, 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 213.0200 (e.g., arsenic at 10
µg/l 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/1
Cadmium,Acute
WER*{1.136672-[lnhardness](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[lnhardness]+3.7256}
Chromium III, Chronic
WER*0.860 e^{o.8190[lnhardness]+0.6848}
Page 4 of 8

Copper, Acute
WER*0.960 e^10.9422[ln hardness]-1.7001
Copper, Chronic
WER*0.960 e^10.8545[ln hardness]-1.7021
Lead, Acute
WER* 11.46203-[ln hardness](0.145712)) • e^11.273 [In hardness]-1.4601
Lead, Chronic
WER*11.46203-[ln hardness](0.145712)) • e^11.273[In hardness]-4.705}
Nickel, Acute
WER*0.998 • e^10.8460[ln hardness]+2.2551
Nickel, Chronic
WER*0.997 • e^10.8460[ln hardness]+0.05841
Silver, Acute
WER*0.85 • e^11.72[ln hardness]-6.591
Silver, Chronic
Not applicable
Zinc, Acute
WER*0.978 e^10.8473[ln hardness]+0.8841
Zinc, Chronic
WER*0.986 e^10.8473[ln hardness]+0.8841
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:
Page 5 of 8

• Critical low flow of the receiving stream, 7Q 10 (the spreadsheet
automatically calculates the IQ 10 using the formula IQ 10 = 0.843
(s7Q 10, 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.
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) x (s7Q 10, cfs *Avg. Upstream
Hardness, mjg/L)
(Permitted Flow, cfs + s7Q 10, cfs)
The Combined Hardness for acute is the same but the calculation uses the IQ 10
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.
Page 6 of 8

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 + { [Kpo] [SS(l+a)] [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
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 = (s7Q 10 + Qw)(Cwgs) — (s7Q 10) (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 s7Q 10)
s7Q 10 = 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 s7Q 10 may be incorporated as applicable:
IQ 10 = used in the equation to protect aquatic life from acute toxicity
Page 7 of 8

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:
Parameter
Value
Comments (Data Source)
Average Effluent Hardness
Default value used
(mg/L)
25
[Total as, CaCO3 or (Ca+Mg)]
Average Upstream Hardness
Default value used
(mg/L)
25
[Total as, CaCO3 or (Ca+Mg)]
7Q10 summer (cfs)
0
BIMS
1 Q 10 (cfs)
0
RPA
Permitted Flow (MGD)
0.0256
Max monthly average in
previous 36 months
Page 8 of 8

Young, Brianna A
From: Trent Duncan <[e-mail]>
Sent: Tuesday, December 08, 2020 11:12 AM
To: Young, Brianna A
Subject: RE: [External] Re: Issued NPDES Permit NCO085154
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
Report Spam.
The file opened fine! I printed it and saved it for the Towns records.
Have a great day.
Stay well!
faxed (9 wat)i9ancan
.T mm of weawAmt&
2Uatet 5&soutces SapeWnteadent
t9 f ce: 828-658-2417
Lett: 828-674-6822
From: Young, Brianna A <[e-mail]>
Sent: Tuesday, December 8, 2020 9:44 AM
To: Trent Duncan <[e-mail]>
Cc: Weaver, Charles <[e-mail]>
Subject: RE: [External] Re: Issued NPDES Permit NCO085154
Thank you for your prompt response. Attached is the issued NPDES permit for the Lawrence T. Sprinkle Jr. WTF
(NC0085154). Please respond to this email confirming that you received the attached document(s), were able to
open and view the document(s), and have saved/printed a copy for your records.
Thank you,
Brianna Young, MS
Environmental Specialist II
Compliance and Expedited Permitting Unit
NC DEQ / Division of Water Resources
Office: 919-707-3619
Brian na.YoungCcDncdenr.gov (e-mail preferred during State of Emergency)
Mailing address: 1617 Mail Service Center, Raleigh, NC 27699-1617
Physical address: 512 North Salisbury Street, Raleigh, NC 27604
Email correspondence to and from this address is subject to the North Carolina
Public Records Law and may be disclosed to third parties.
Based on the current guidance to minimize the spread of COVID-19, the Department of Environmental Quality has
adjusted operations to protect the health and safety of the staff and public. Many employees are working remotely or
are on staggered shifts. To accommodate these staffing changes, all DEQ office locations are limiting public access to

appointments only. Please check with the appropriate staff before visiting our offices, as we may be able to handle
your requests by phone or email. We appreciate your patience as we continue to serve the public during this
challenging time.
From: Trent Duncan<[e-mail]>
Sent: Tuesday, December 08, 2020 8:56 AM
To: Young, Brianna A <[e-mail]>
Subject: [External] Re: Issued NPDES Permit NCO085154
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
Report Spam.
Good morning,
Electronic transmissions will work fine for us. Thank you!
Jared T. Duncan
Town of Weaverville
Water Resources
Superintendent/ORC
828-674-6822(cell)
828-658-2417(office)
828-658-2362 (fax)
On Dec 8, 2020, at 8:02 AM, Young, Brianna A <[e-mail]> wrote:
Good morning,
In order to provide more convenience, control, and security to our permittees and assist them in
processing their transactions, the Division of Water Resources is currently transitioning towards
electronic correspondence. This will hopefully provide more efficient service to our permittees and
other partners and will allow us to more effectively process and track documents. We are writing to
ask you for your approval of the transmittal of documents related to your permitting and related
activities with the Division in an electronic format. Documents will be emailed to the appropriate
contact person(s) in your organization in a PDF format.
Please respond to me through email with verification that transmittal of your documents in an
electronic manner is acceptable to you. If you have any questions, please feel free to contact me.
Thank you,
Brianna Young, MS
Environmental Specialist II
Compliance and Expedited Permitting Unit
NC DEQ / Division of Water Resources
Office: 919-707-3619
Brian [e-mail] (e-mail preferred during State of Emergency)
Mailing address: 1617 Mail Service Center, Raleigh, NC 27699-1617
Physical address: 512 North Salisbury Street, Raleigh, NC 27604

Email correspondence to and from this address is subject to the North Carolina
Public Records Law and may be disclosed to third parties.
Based on the current guidance to minimize the spread of COVID-19, the Department of
Environmental Quality has adjusted operations to protect the health and safety of the staff and public.
Many employees are working remotely or are on staggered shifts. To accommodate these staffing
changes, all DEQ office locations are limiting public access to appointments only. Please check with
the appropriate staff before visiting our offices, as we may be able to handle your requests by phone
or email. We appreciate your patience as we continue to serve the public during this challenging time.

CITIZEN-TIIIIES
PART OF THE USA TODAY NETWORK
AFFIDAVIT OF PUBLICATION
BUNCOMBE COUNTY
�N7 i�'C�L•1i�)�I�I_1
Before the undersigned,a Notary Public, duly commissioned, qualified and
authorized by law to administer oaths, personally appeared said legal clerk,
who, being first duly swom, deposes and says: that he/she is the Legal
Clerk of The Asheville Citizen -Times, engaged in publication of a
newspaper known as The Asheville Citizen -Times, published, issued, and
entered as first Gass mail in the City of Asheville, in Buncombe County and
State of North Carolina; that he/she is authorized to make this affidavit and
sworn statement; that the notice or other legal advertisement, a true copy of
which is attached here to, was published in The Asheville Citizen -Times on
the following date(s) 10116120. And that the said newspaper in which
said notice, paper, document or legal advertisement was published was, at
the time of each and every publication, a newspaper meeting all of the
requirements and qualifications of Section 1-597 of the General Statues of
North Carolina and was a qualified newspaper within the meaning of
Section 1-597 of the General Statutes of North Carolina.
Swom to and sugscribed before the 16th of October, 2020
Notary Public of State
My Commission expires.
is 16th of October, 2020 ,
Q10TAR1-
4o*i
'OUBUG
[phone] [phone] FAX
14 O. HENRY AVE. I P.O. BOX 2090 ASHEVILLE, NC 28802 1 [phone]

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
Director
MEMORANDUM
NORTH CAROLINA
Environmental Quality
October 13, 2020
To: Nicole Hairston
NC DEQ / DWR / Public Water Supply
Asheville Regional Office
From: Brianna Young
Compliance and Expedited Permitting Unit
Subject: Review of Draft NPDES Permit NCO085154
Lawrence T. Sprinkle Jr. WTF
Buncombe County
Please indicate below your agency's position or viewpoint on the draft permit and return this form by
November 12, 2020. If you have any questions on the draft permit, please contact me at 919-707-3619
or via e-mail [[e-mail]].
§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
RESPONSE: (Check one)
F-1
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.
1-1 Concurs with issuance of the above permit, provided the following conditions are met:
F-1 Opposes the issuance of the above permit, based on reasons stated below, or attached:
Signed: 7VeM&qaeWM Date: 11/23/20
NOATH�AAo�IND_EQI�
Department at Environmental Quality
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617
919.707.9000

NH3/TRC WLA Calculations
Facility: Lawrence T. Sprinkle Jr. WTP
PermitNo. NCO085154
Prepared By: Brianna Young
Enter Design Flow (MGD): 0.02563
Enter s7Q10 (cfs): 0
Enter w7Q10 (cfs): 0
Total Residual Chlorine (TRC)
Daily Maximum Limit (ug/1)
Ammonia (Summer)
Monthly Average Limit (mg NH3-N/1)
s7Q10 (CFS)
0
s7Q10 (CFS)
0
DESIGN FLOW (MGD)
0.02563
DESIGN FLOW (MGD)
0.02563
DESIGN FLOW (CFS)
0.039726
DESIGN FLOW (CFS)
0.03973
STREAM STD (UG/L)
17.0
STREAM STD (MG/L)
1.0
Upstream Bkgd (ug/1)
0
Upstream Bkgd (mg/1)
0.22
IWC (%)
100.00
IWC (%)
100.00
Allowable Conc. (ug/1)
17
Allowable Conc. (mg/1)
1.0
Ammonia (Winter)
Monthly Average Limit (mg NH3-N/1)
Fecal Coliform
w7Q10 (CFS)
0
Monthly Average Limit:
200/100ml DESIGN FLOW (MGD)
0.02563
(If DF >331; Monitor)
DESIGN FLOW (CFS)
0.03973
(If DF<331; Limit)
STREAM STD (MG/L)
1.8
Dilution Factor (DF)
1.00 Upstream Bkgd (mg/1)
0.22
IWC (%)
100.00
Allowable Conc. (mg/1)
1.8
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/l, 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
Fecal Coliform
1. Monthly Avg limit x 2 = 400/100 ml = Weekly Avg limit (Municipals) = Daily Max limit (Non -Muni)

Freshwater RPA - 95% Probability/95% Confidence Using Metal Translators
MAXIMUM DATA POINTS = 58
rREQUIRED DATA ENTRY
Table 1. Project Information
Facility Name
WWTP/WTP Class
NPDES Permit
Outfal I
Flow, Qw (MGD)
Receiving Stream
HUC Number
Stream Class
❑ CHECK IF HQW OR ORW WQS
Lawrence T. Sprinkle Jr. WTP
PC-1
NCO085154
001
0.026
UT to Ivy Creek (River)
060101050805
WS-II; HQW, CA
Z Apply WS Hardness WQC
7Q10s (cfs)
7Q10w (cfs)
30Q2 (cfs)
CIA (cfs)
1Q10s (cfs)
0.00
0.00
0.00
0.00
0.00
Effluent Hardness
----
Upstream Hardness
Combined Hardness Chronic
Combined Hardness Acute
25 mg/L (Avg)
--------------------
25 mg/L (Avg)
25 m /L
25 m /L
Data Source(s)
I —I CHECK TO APPLY MODEL
Par01
Par02
Par03
Par04
Par05
Par06E
Par07
Par08
Par09
Par10
Par11
Par12
Par13
Par14
Par15
Par16
Par17
Par18
Par19
Par20
Par21
Par22
Par23
Par24
Table 2. Parameters of Concern
Name wos Type Chronic Modifier Acute PQL Units
Arsenic
Aquactic Life
C
150
FW
340
ug/L
Arsenic
Human Health Water Supply
C
10
HH/WS
N/A
ug/L
Beryllium
Aquatic Life
NC
6.5
FW
65
ug/L
Cadmium
Aquatic Life
NC
0.5899
FW
3.2396
ug/L
Chlorides
Aquatic Life
NC
230
FW
mg/L
11, Chlorinated Phenolic Compounds
Water Supply
NC
1
A
ug/L
Total Phenolic Compounds
Aquatic Life
NC
300
A
ug/L
Chromium III
Aquatic Life
NC
117.7325
FW
905.0818
ug/L
Chromium VI
Aquatic Life
NC
11
FW
16
Ng/L
Chromium, Total
Aquatic Life
NC
N/A
FW
N/A
Ng/L
Copper
Aquatic Life
NC
7.8806
FW
10.4720
ug/L
Cyanide
Aquatic Life
NC
5
FW
22
10
ug/L
Fluoride
Aquatic Life
NC
1,800
FW
ug/L
Lead
Aquatic Life
NC
2.9416
FW
75.4871
ug/L
Mercury
Aquatic Life
NC
12
FW
0.5
ng/L
Molybdenum
Human Health
NC
2000
HH
ug/L
Nickel
Aquatic Life
NC
37.2313
FW
335.2087
Ng/L
Nickel
Water Supply
NC
25.0000
WS
N/A
Ng/L
Selenium
Aquatic Life
NC
5
FW
56
ug/L
Silver
Aquatic Life
NC
0.06
FW
0.2964
ug/L
Zinc
Aquatic Life
NC
126.7335
FW
125.7052
ug/L
NC08085154 RPA, input
11/23/2020

H1
Date Data
1
2
3
4
5
6
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
REASONABLE POTENTIAL ANALYSIS
H2
Use"PASTE SPECIAL
Effluent Hardness Values" then "COPY• Upstream Hardness
. Maximum data
points = 58
Use"PASTE SPECIAL
Values" then "COPY'
. Maximum data
points = 58
BDL=1/2DL Results
Date
Data BDL=1/2DL Results
25 25 Std Dev. N/A
1
25 25 Std Dev. N/A
Mean
25.0000
2
Mean
25.0000
C.V.
0.0000
3
C.V.
0.0000
n
1
4
n
1
10th Per value
25.00 mg/L
5
10th Per value
25.00 mg/L
Average Value
25.00 mg/L
6
Average Value
25.00 mg/L
Max. Value
25.00 mg/L
7
Max. Value
25.00 mg/L
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
NCO8085154 RPA, data
-2- 11 /23/2020

REASONABLE POTENTIAL ANALYSIS
Pal
Date Data
1 4/4/2017 <
2 7/11/2017
3 10/3/2017
4 1 /9/2018 <
5 4/3/2018 <
6 7/10/2018 <
7 10/2/2018 <
8 1 /7/2019 <
9 4/2/2019 <
10 7/9/2019 <
11 10/1/2019 <
12 1 /7/2020 <
13 4/7/2020 <
14 7/14/2020 <
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
Copper
BDL=1/2DL
1 0.5
11 11
1 1
1 0.5
1 0.5
1 0.5
4 2
10 5
2 1
2 1
2 1
10 5
10 5
2 1
Use"PASTE SPECIAL
Values" then "COPY"
. Maximum data
points = 58
Results
Std Dev.
3.0192
Mean
2.5000
C.V.
1.2077
n
14
Mult Factor = 2.09
Max. Value 11.00 ug/L
Max. Pred Cw 22.99 ug/L
-3-
NCO8085154 RPA, data
11 /23/2020

Lawrence T. Sprinkle Jr. WTP
Outfall 001
NCO085154
Freshwater RPA - 95% Probability/95% Confidence Using Metal Translators
MAXIMUM DATA POINTS = 58
Qw (MGD)
= 0.0256
WWTP/WTP Class: PC-1
1Q10S (cfs)
= 0.00
TwC% @ 1Q10S = 100
7Q10S (cfs)
= 0.00
IWC% @ 7Q10S = 100
7Q10W (cfs)
= 0.00
BVC% @ 7Q10W = 100
30Q2 (cfs)
= 0.00
IWC% @ 30Q2 = 100
Avg. Stream Flow, QA (cfs)
= 0.00
IW%C @ QA = 100
Receiving Stream: UT to Ivy Creek (River) HUC 060101050805 Stream Class: WS-II; HQW, CA
Qw = 0.02562963 MGD
YOU HAVE DESIGNATED THIS RECEIVING
STREAM AS HOW OR ORW
COMBINED HARDNESS (mg/L)
Acute = 25 mg/L
Chronic = 25 mg/L
YOU HAVE DESIGNATED THIS RECEIVING
STREAM AS WATER SUPPLY
Effluent Hard: 0 value > 100 mg/L
Effluent Hard Avg = 25 mg/L
PARAMETER
TYPE
NC STANDARDS OR EPA CRITERIA
J
a
~
M
REASONABLE POTENTIAL RESULTS
RECOMMENDED ACTION
Applied
Chronic Acute
n # Det. Max Pred Cw Allowable Cw
Standard
Acute: 5.24
RP shown - apply Monthly Monitoring with Limit
Copper
NC
3.9403 FW 5.2360
ug/L
14 2
22.99
__ -----------------------------------------
Chronic: 3.94
RP shown - apply Monthly Monitoring with Limit
4 values > Allowable Cw
NC08085154 RPA, rpa
Page 4 of 49 11/23/2020

Whole Effluent Toxicity Testing and Self Monitoring Summary
Lawrence Sprinkle-Weaverville WTP NCO085154/001 County: Buncombe Region: ARO
Ceri7dPF Begin: 12/1/2015 Chr Monit: 90% NonComp: 7Q10:
J F M A M J
2016 Pass - - Pass - -
2017 Pass - - Pass - -
2018 Pass - - Pass - -
2019 Pass - - Pass - -
2020 Pass - - Pass - -
Basin: FRB04 Jan Apr Jul Oct SOC JOC:
PF: IWC: Freq: Q
J A S O N
Fail - - Pass
Pass - - Pass
Pass - - Pass
Pass - - Pass
Pass
LCP Plastics, Inc.
NCO036366/001 County:
Guilford Region: WSRO
Basin: CPF08 Feb May Aug Nov
Ceri7dPF
Begin: 3/1/2003 fathead 24h LC50 ac +
NonComp: Single 7Q10: 0.00
PF: NA IWC: 100 Freq: Q P/F
J F M
A M J J
A S O
2016
- H -
- H - -
H - -
2017
- H -
- H - -
H - -
2018
- H -
- H - -
H - -
2019
- H -
- H - -
H - -
2020
- H -
- H - -
- - -
Lee S. Dukes WTP (CMUD) NCO084387/001 County: Mecklenburg Region: MRO
Ceri7dPF Begin: 5/1/2015 Chr Monit: 37% NonComp: 7Q10:
J F M A M I
2016 Pass - - Pass - -
2017 Pass - - Pass - -
2018 Pass - - Pass - -
2019 Pass - - Pass - -
2020 Pass - - Pass - -
Lenoir- Gunpowder Creek WWTP NCO023736/001
Ceri7dPF Begin: 2/1/2012 chr lim: 52%
J F M
2016 - - Pass
2017 - - Pass
2018 - - Pass
2019 - - Pass
2020 - - Pass
Lenoir- Lower Creek WWTP NCO023981/001
Ceri7dPF Begin: 1/1/2017 chr lira: 44%
J F M
2016 - Pass -
2017 - Pass -
2018 - Pass -
2019 - Pass >100(P) -
2020 - Pass -
County: Caldwell
NonComp:
Single
A
M
Pass >100(P)
>100
County: Caldwell
NonComp:
Single
A
M
Pass
Pass
-
Pass 62.2(P)
Pass
Pass
SOC JOC:
N
H
H
H
H
Basin: CTB33 Jan Apr Jul Oct SOC JOC:
PF: IWC: Freq: Q
J A S O N
Pass - - Pass
Pass - - Pass -
Pass - - Pass -
Pass - - Pass -
Pasa - - -
Region: ARO
Basin: CTB32
Mar Jun Sep Dec
SOC JOC:
70.10: 3.0
PF: 2.0 IWC: 52.0
Freq: Q
J J
A
S O
N
Pass -
-
Pass -
-
Pass -
-
Pass -
-
Pass >100(P) >100(P)
-
Pass -
-
Pass -
-
Pass -
-
Pass
Region: ARO
Basin: CTB31
Feb May Aug Nov
SOC JOC:
7Q10: 11.75
PF: 6.0 IWC: 44
Freq: Q
J J
A
S O
N
- -
Pass
- -
Pass
- -
Pass
- -
Pass
- -
Pass >100(P)
- -
Pass >100(P)
- -
Pass
- -
Pass
Pass
C
C
G
D
Pass
Pass
Pass
Pass
C
Leeend: P= Fathead minnow (Pimohales oromelas). H=No Flow (facilitv is active). s = Solit test between Certified Labs Page 67 of 122

MONITORING REPORT(MR) VIOLATIONS for:
Report Date:
09/25/2C Page
1 of 1
Permit:
nc0085154
MRS Betweei 9
- 2015 and 9 - 2020
Region:
%
Violation Category:%
Program Category:
Facility Name: %
Param Nam(%
County:
%
Subbasin: %
Violation Action: %
Major Minor:
%
PERMIT: NCO085154
FACILITY: Town of Weaverville - Lawrence T. Sprinkle Jr. WTF
COUNTY: Buncombe
REGION: Asheville
Limit Violation
MONITORING
VIOLATION
UNIT OF
CALCULATED
%
REPORT
OUTFALL
LOCATION
PARAMETER
DATE
FREQUENCY
MEASURE
LIMIT
VALUE
Over
VIOLATION TYPE
VIOLATION ACTION
01 -2016
001
Effluent
Chlorine, Total Residual
01/05/16
2 X month
ug/I
17
27
58.8
Daily Maximum
No Action, BPJ
Exceeded
04-2016
001
Effluent
Chlorine, Total Residual
04/26/16
2 X month
ug/I
17
47
176.5
Daily Maximum
No Action, BPJ
Exceeded
05-2016
001
Effluent
Chlorine, Total Residual
05/10/16
2 X month
ug/I
17
44
158.8
Daily Maximum
No Action, BPJ
Exceeded
05-2016
001
Effluent
Chlorine, Total Residual
05/24/16
2 X month
ug/I
17
37
117.6
Daily Maximum
No Action, BPJ
Exceeded
06-2016
001
Effluent
Chlorine, Total Residual
06/21/16
2 X month
ug/I
17
30
76.5
Daily Maximum
No Action, BPJ
Exceeded
07-2016
001
Effluent
Chlorine, Total Residual
07/05/16
2 X month
ug/I
17
19
11.8
Daily Maximum
No Action, BPJ
Exceeded
07-2016
001
Effluent
Chlorine, Total Residual
07/19/16
2 X month
ug/I
17
24
41.2
Daily Maximum
No Action, BPJ
Exceeded
10-2016
001
Effluent
Chlorine, Total Residual
10/04/16
2 X month
ug/I
17
32
88.2
Daily Maximum
No Action, BPJ
Exceeded
01 -2017
001
Effluent
Chlorine, Total Residual
01/24/17
2 X month
ug/I
17
27
58.8
Daily Maximum
No Action, BPJ
Exceeded
05-2017
001
Effluent
Chlorine, Total Residual
05/04/17
2 X month
ug/I
17
43
152.9
Daily Maximum
No Action, BPJ
Exceeded
06-2017
001
Effluent
Chlorine, Total Residual
06/22/17
2 X month
ug/I
17
20
17.6
Daily Maximum
No Action, BPJ
Exceeded
07-2017
001
Effluent
Chlorine, Total Residual
07/11/17
2 X month
ug/I
17
22
29.4
Daily Maximum
No Action, BPJ
Exceeded
08-2017
001
Effluent
Chlorine, Total Residual
08/22/17
2 X month
ug/I
17
33
94.1
Daily Maximum
No Action, BPJ
Exceeded
09-2017
001
Effluent
Chlorine, Total Residual
09/05/17
2 X month
ug/I
17
34
100
Daily Maximum
No Action, BPJ
Exceeded
07-2018
001
Effluent
Chlorine, Total Residual
07/10/18
2 X month
ug/I
17
19
11.8
Daily Maximum
No Action, BPJ
Exceeded

The Town
Weaverville
NORTH CAROLINA
8-27-2020
The Town of Weaverville would like to ask for renewal of our NPDES permit # NC0085154.
The only changes that have been made to our system are as follows:
We have started dechlorinating with Calcium thiosulphate vs the Sulphur dioxide.
We now pump our sludge out once a year it is dried and hauled to the buncombe county
landfill.
Our Filters have been rebuilt with new media, so we are using less backwash water now.
We now recycle about 75% of our process water. NOT backwash water.
Thank you.
Jared Trent Duncan, ORC
Lawrence T. Sprinkle Jr. WTF
30 South Main Street • Weaverville, NC 28787 (PO Box 338)
[phone] • Fax [phone]
www.weaverviUenc.org

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Mail the complete application to:
N. C. Department of Environment and Natural Resources
Division of Water Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number NCO0851-5
If you are completing this form in computer use the TAB key or the up — down arrows to move from one
field to the next. To check the boxes, click your mouse on top of the box Otherwise, please print or type.
1. Contact Information:
Owner Name
Facility Name
Mailing Address
City
State / Zip Code
Telephone Number
Fax Number
e-mail Address
Town of Weaverville
Lawrence T. Sprinkle Jr. Water Treatment Facility
PO Box 338
Weaverville
NC, 28787
[phone]
(828)645776
[e-mail]
2. Location of facility producing discharge:
Check here if same as above ❑
Street Address or State Road 50 Sam Road
City Weaverville
State / Zip Code NC, 28787
County Buncombe
3. Operator Information:
Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the
Operator in Responsible Charge or ORC)
Name Town of Weaverville
Mailing Address PO Box 338
City Weaverville
State / Zip Code NC,28787
Telephone Number [phone]
Fax Number [phone]
4. Ownership Status:
Federal ❑ State ❑ Private ❑ Public ED
Page 1 of 4 Version 512012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
S. Type of treatment plant:
® Conventional (Includes coagulation, flocculation, and sedimentation, usually followed by
filtration and disinfection)
❑ Ion Exchange (Sodium Cycle Cationic ion exchange)
❑ Green Sand Filter (No sodium recharge)
❑ Membrane Technology (RO, nanofiltration)
Check here if the treatment process also uses a water softener ❑
6. Description of source water(s) (i.e. groundwater, surface water)
Surface Water (Ivy River)
7. Describe the treatment process(es) for the raw water:
Raw water is injected with Delpac 2020 (Aluminum Chloride Hydroxide Sulfate) and 12.5%
Caustic (Sodium Hydroxide) before reaching our Up -flow clarifier. Then it is injected again at the
start of our conventional treatment process at the flash mixer. Water then runs through settling
basins to dual media filters. At this point chlorine gas is injected for disinfection. Once filtered
we adjust the PH with caustic and add a corrosion inhibitor (phosphate) then it flow to our
storage tank to be pumped to town.
S. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
Our 250,000 gallon waste basin receives all of our process water and backwash water, this water
is injected with Captor (calcium thiosulphate) to remove the chlorine residual before it enters
the waste basin. We also empty our settling basins into our waste basins biannually. The
clarified water is decanted to the designated stream and all sludge is pumped out of the basin
and dried once a year by a contract company and disposed of at the Buncombe county landfill.
9. Number of separate discharge points: 1
Outfall Identification number(s) 001
10. Frequency of discharge: Continuous ❑ Intermittent
If intermittent:
Days per week discharge occurs: 6 Duration: Length of Plant run after settled.
11. Plant design potable flowrate 1.5 MGD
Backwash or reject flow .025 MGD
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude):
Unnamed Tributary to the Ivy river
13. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments, that have the potential to be discharged.
Page 2 of Version 5/2012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Alum / aluminum sulfate Yes No x
Iron sulfate / ferrous sulfate Yes No x
Fluoride Yes No x
Ammonia nitrogen / Chloramines Yes No x
Zinc -orthophosphate or sweetwater CP1236 Yes No x
List any other additives below:
Delpac 2020 ( Aluminum Chloride Hydroxide Sulfate)
12.5% Caustic (sodium Hydroxide), Ortho Phosphohate, Chlorine gas
Calcium Thiosulfate
14. Is this facility located on Indian country? (check one)
Yes ❑
Emanl
15. Additional Information:
Provide a schematic of flow through the facility, include flow volumes at all points in
the water treatment process. The plan should show the points] of addition for
chemicals and all discharges routed to an outfall [including stormwater].
Solids Handling Plan
16. NEW Applicants
Information needed in addition to items 1-15:
> New applicants are highly encouraged to contact a permit coordinator with the
NCDENR Customer Service Center.
Was the Customer Service Center contacted? ❑ Yes ❑ No
Analyses of source water collected
Engineering Alternative Analysis
Discharges from Ion Exchange and Reverse Osmosis plants shall be evaluated using a
water quality model.
17. Applicant Certification
I certify that I am familiar with the information contained in the application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
Signing
'all
OhL
Title _
Date
North Carolina General Statute 143-215.6 (b)(2) provides that Any person who knowingly makes any false statement representation, or certification in any application,
record, report, plan, or other document files or required to be maintained under Article 21 or regulations of the Environmental Management Commission implementing that
Article, or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under Article 21 or
regulations of the Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor punishable by a fine not to exceed $25,000, or by
Page 3 of 4 Version 5/2012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
imprisonment not to exceed sic months, or by both. (18 U.S.C. Section 1001 provides a punishment by a fine of not more than $25,000 or imprisonment not more than 5
years, or both, for a similar offense.)
Page 4 of 4 Version 5/2012

The Town
Weaverville
NORTH CAROLINA
Lawrence T. Sprinkle Jr. Water Treatment Facility
Wastewater Sludge Management Plan
The Lawrence T. Sprinkle Jr. Water treatment Facility is a 1.5 mgd municipal water treatment
facility. The facility incorporates the use of an up -flow clarifier for pretreatment of surface
water. After clarifier treatment process is conventional in design.
We have a 250,000 gallon waste clarification basin for process and backwash water collection
and clarification. Clarified waster water is decanted via the use of joined pipe with winch depth
control. Decant of waste waters are controlled by the following procedures.
Waste waters collected in the waste basin are allowed to settle to acceptable limits set forth in
NPDES permit #0085154 requirements. Settled water meeting NPDES requirements are
periodically removed using a winch controlled decant pipe. Sludge generated in process is
pumped out once a year by a contractor and dried via belt press and hauled to the Buncombe
County Landfill. Disposal is in accordance with North Carolina General Statues regulating
waste disposal.
Daily average effluent is calculated by totaling all filter wash waters, calculated process sample
pump totals and basin volume if drained for cleaning. Typically, the effluent is estimated over
a 7-day period. No effluent metering device is in place.
Jared Trent Duncan, ORC
Lawrence T. Sprinkle Jr. Water Treatment Facility
50 Sams Road,
eaverville, NC 28787
P -
30 South Main Street • Weaverville, NC 28787 (PO Box338)
[phone] • Fax [phone]
www.weavervillenc.oM

N QI�i TCv+s ��1c 1'�bJ �/PS E 1
x
15
A
aI �

Permit NC0085154
r' � . i � �� , �� � ��� �, , r' +,; �• of <� 1 � ll� " +� � i
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l Jf��' \��ry ��\ ��� 1� t
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Disriuu•geLocatiou
'v
'pi
NCO085154 State Grid: DSSE Facility
Latitude: 35°4655" US03 Quad: Mars Hill, NC Location
Longtude:22433'17"
River Basin: French Broad
Stream Gass WS-II CA
Subbasim 40304 Town or We
ReceiviogStreem: UT IvgRiver North Iw River WtP