NC0086011_Issuance of Permit_20090717

Airr,‘,A
NCDENR
• North Carolina Department of Enviroriment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H.Sullins
Dee Freeman
Governor Director
Secretary
July 17, 2009
David K. Saunders
City of Winston-Salem/Forsyth County Utilities
P.O. Box 2511
Winston-Salem, North Carolina 25111
Subject: Issuance of NPDES
Permit NC0086011
R W Neilson WTP
Forsyth County
Dear Mr. Saunders:
Division personnel have reviewed and approved your application for renewal of the subject permit.Accordingly,we are forwarding the attached
NPDES discharge 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).
Division of Water Quality response to June 6,2009 comments to draft permit;
➢ Your request for inclusion of additional language in footnote#6—"Ammonia nitrogen monitoring only applies if the facility
chloraminates" is approved and included in the final 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 1508 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 Quality or permits required by the Division of Land Resources,the Coastal Area Management Act or any other Federal or Local
governmental permit that may be required. If you have any questions concerning this permit, please contact Bob Guerra at telephone number
[phone].
Sincerely
fColeen H.Sul s
Enclosure: NPDES Permit NC0086011
cc: Winston-Salem Regional Office/Surface Water Protection
NPDES Unit
Central Files
Aquatic Toxicology Section(emailed)
1617 Mail Service Center,Raleigh,North Carolina 27699-1617
Location:512 N.Salisbury St.Raleigh,North Carolina 27604 One
Phone:[phone]\FAX:[phone]\Customer Service:1-877-623-6748 NorthCarolina
Internet:www.ncwaterquality.org Naturally Equal Opportunity I Affirmative Athlon Employer

Winston-Salem Forsyth County Utilities
R. W. Neilson WTP
Latitude: 35° 59' 45" N State Grid: Welcome
Longitude: 80' 21' 10" W Permitted Flow: 48.0 MGD
Receiving Stream: UT to Muddy Creek Stream Class: C
Drainage Basin: Yadkin -Pee Dee River Basin Sub -Basin: 03-07-04
D
SRI
Outfall001
Facility
Location
not to scale
North NPDES Permit No. NCO016011
Forsyth County

•
• Permit NC0086011
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
During the period beginning on the effective date of this permit and lasting until expiration, the
Permittee is authorized to discharge filter backwash from outfall 001. Such discharges shall be
limited and monitored by the Permittee as specified below:
EFFLUENT MONITORING REQUIREMENTS
CHARACTERISTICS LIMITS
Monthly Daily Maximum Measurement Sample Sample
Average Frequency Type Location
Flow 48.0 MGD Continuous Recording Effluent
TSS 30.0 mg/L 45.0 mg/L Weekly Grab Effluent
pH 6.0-9.0 s.u. Weekly Grab Effluent
Total Residual 17.0 /L WeeklyGrab Effluent
Chlorine" µg
Total Copper 2/Month Grab Effluent
Total Iron 2/Month Grab Effluent
Fluoride3 2/Month Grab Effluent
Total Zinc4 2/Month Grab Effluent
Total Phosphorus
Quarterly Grab Effluent
Total Nitrogen (TN) Quarterly Grab Effluent
Ammonia Nitrogens Quarterly Grab Effluent
Aluminum6 Quarterly Grab Effluent
Calcium6 Quarterly Grab Effluent
Magnesium6 Quarterly Grab Effluent
Manganese6 Quarterly Grab Effluent
Whole Effluent 7 Quarterly Grab Effluent
Toxicity Monitoring
Notes:
1. Limit and monitor only if the facility adds chlorine to water that is eventually discharged.
2. The Division shall consider all effluent TRC 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/l.
3. Fluoride monitoring applies if the facility backwashes with fluoridated, finished water.
4. Zinc should only be monitored if a Permittee uses zinc orthophosphate as a corrosion inhibitor.
5. Facilities using chloramination will be required to monitor ammonia nitrogen on a quarterly
basis. Ammonia nitrogen monitoring only applies if the facility chloraminates.
6. Parameters should be monitored in conjunction with toxicity test.
7. See Attachment A (2.).
All samples collected should be from a representative discharge event.
There shall be no discharge of floating solids or visible foam in other than trace
amounts.

•
Permit NC008601 1 •
A. (2.) CHRONIC TOXICITY MONITORING (QRTRLY)
The permittee shall conduct quarterly chronic toxicity tests using test procedures outlined in the"North
Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or subsequent
versions.
The effluent concentration defined as treatment two in the procedure document is 90%. The testing shall be
performed as a Ceriodaphnia dubia 7day pass/fail test. The tests will be performed during the months of
January, April,July and October. Effluent sampling for this testing shall be performed at the NPDES
Permitted final effluent discharge below all treatment processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge
Monitoring Form (MR-1)for the month in which it was performed, using the parameter code TGP3B.
Additionally, DWQ Form AT-1 (original) is to be sent to the following address:
Attention: North Carolina Division of Water Quality
Environmental Sciences Section
1621 Mail Service Center
Raleigh, N.C. 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental 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 and accurate and include all supporting chemical/physical measurements performed
in association with the toxicity tests, as well as all dose/response data.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,then monthly
monitoring will begin immediately. Upon submission of a valid test, this monthly test requirement will revert to
quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina Division of Water
Quality indicate potential impacts to the receiving stream,this permit may be re-opened and modified to include
alternate monitoring requirements or limits.
If the Permittee monitors any pollutant more frequently then required by this permit,the results of such
monitoring shall be included in the calculation &reporting of the data submitted on the DMR &all AT Forms
submitted.
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.

Winston-Salem • Forsyth County
J*y/CountyUtilities
rater • Sewer • Solid Waste Disposal
Utilities Administration•P.0.Box 2511 •Winston-Salem,NC 27102•Tel [phone]•Fax [phone]
June 6,2009
RECEIVED
Mr. Bob Guerra
Water Quality Section
NPDES Unit, Western Program JUN 2 6 2009
1617 Mail Service Center
Raleigh,NC 27699-1617
Re: Neilson WTP NPDES DENR • WATER QUALITY
Permit#NC0086011 POINT SOURCE BRANCH
Dear Mr. Guerra,
In response to your letter dated May 20, 2009 containing a draft permit for NPDES Permit
#NC0086011 I would like to request the following modifications.
1. We request that ammonia nitrogen be eliminated from our sampling requirements. This
facility does not disinfect by chloramination,therefore we feel sampling for this parameter is
unnecessary. We request that Footnote#6 reads as follows: "Ammonia nitrogen monitoring
only applies if the facility chloraminates".
Thank you in advance for your consideration of this request. Should you have questions
regarding this matter or require additional information,I can be reached at(336) 747-7303 to
answer your questio
Sincerely,
4110"I
David K. Saun ers
Director of Utilities
Cc: Rose Pruitt,NCDENR-Division of Water Quality
Ron Hargrove, Deputy Director of Utilities
Bill Brewer, Water Treatment Superintendent
Rodney Darr, Thomas Water Plant NPDES, ORC
Page 1 of 1

Winston-Salem Journal
Advertising Affidavit Account Number
3376309
Winston-Salem Journal
P.O Box 3159 Date
Winston-Salem, NC 27102 May 22, 2009
NCDENR/DWQ/POINT SOURCE BRANCH
ATTN:DINA SPRINKLE
1617 MAIL SERVICE CENTER
RALEIGH,NC 27699-1617
Date Category Description Ad Size Total Cost
05/22/2009 Legal Notices PUBLIC NOTICE North Carolina Environment 2 x 63 L 433.75
PUBLIC NOTICE Media General Operations, Inc.
North Carolina Environmental Publisher of the
Management Commission/NPDES Unit
1617 Mall Service Center
Raleigh,NC 27699.1617 Winston-Salem Journal
Notice of Intent to issue a
NPDES Wastewater Permit
The North Carolina Environmental Management Forsyth County
Commission proposes to issue a NPDES wastewater
discharge permit to thea person(s)listed below.
wlil bene cep ed ntil 3o days atherpro psed per Before the undersigned,a Notary Public of Forsyth County,North Carolina,duly
of thisrQualitylThe Director of the NC Divisionhear g commissioned,qualified,and authorized bylaw to administer oaths,personallyappeared
f
Water (DwQ) may hold a public hearing PP
should there be a significant degree of public in-
terest. Please mall comments and/or Information D.H.Stanfield,who by being duly sworn deposes and says:that he is Controller of the
requests to DWQ at the above address. Interested
persons may visit the DWQ at 512 N. Salisbury Winston-Salem Journal,engaged in the publishing of a newspaper known as Winston-Salem
Street, Raleigh. NC to review Information on file.
Additional Information on NPDES permits and this Journal,published,issued and entered as second class mail in the City of Winston-Salem,in
notice may be found on our website:www.ncwater
quaiity.org,or by calling(919)807-6304. said County and State:that he is authorized to make this affidavit and sworn statement:that
PPG Industries Fiber Glass Products,Inc requested the notice or other legal advertisement, true
a of which is attached hereto,was
renewal of permit NC0004626 for Lexington Plant In gcopy
Davidson County;this facility discharge is treated published in the Winston-Salem Journal on the followin dates:
industrial wastewater to North Potts Creek, g
The City of Winston-Salem requested renewal of
permit NC0086011 for the Neilson WTP in Forsyth 05/22/2009
County.This permitted discharge is treated filter- 05/22/2009
backwash wastewater to an unnamed tributary to
Muddy Creek in the Yadkin-Pee Dee River Basin.
The City of Winston-Salem requested renewal of
permit NC0079821 for the RA.Thomas WTP in For- and that the said newspaper in which such notice,paper document,or legal advertisement
syth County. This permitted discharge Is treated
filter-backwash wastewater to Salem Creek in the was published was,at the time of each and every such publication,a newspaper meeting all
Yadkin-Pee Dee River Basin. the requirements and qualifications of Section 1-597 of the General Statutes of North
The City of Winston-Salem requested renewal of
permit NC005u342 for Muddy Creek WWTP In For- Carolina and was a qualified newspaper within the meaning of Section 1-597 of the General
syth county;this faclllty discharge is treated mu-
nicipal wastewater to Yadkin River, Yadkin River Statutes of North Carolina.
Basin.
The City of Winston-Salem requested renewal of
permit NC0037834 for Archie Eliedge WWTP in For-
syth County;this facility discharge Is treated mu- This 22th day of May,2009 $ 1 `
mclpal wastewater to Salem Creek, Yadkin River
Basin. ,
ThepeTown of Boonville has requested renewal of / I- I -
Yadkln County.nThis per31 formitted he Boonville
lrge Istreated WTP In (signature ofperso maid 7:davit)
domestic wastewater to the lanyard Creek In the
Yadkin Pee-Dee River Basin.
WSJ:May 22,2009
Sworn to and subscribed before me,this 22th day of May,2009
(Not ry ublic)
KIMALEY JOHNSON i
lry i NOTARY PUBLIC
My Commission expires �� ,fl`ut 2-010
FORSYTH COUNTY 1
STATE OF NORTH CAR L A '
MY COMMISSION EXPIRES tov '
THIS IS NOT A BILL. PLEASE PAY FROM INVOICE. THANK YOU

• Winston-Salem • Forsyth County
City/CountyUtilities
Water • Sewer • Solid Waste Disposal
Utilities Administration •P.O.Box 2511 • Winston-Salem,NC 27102 • Tel [phone] • Fax [phone]
November 26, 2008 RECEIVED
Mrs. Dina Sprinkle
NC DENR/Water Quality/Point Source Branch DEC 1 9 2008
1617 Mail Service Center
Raleigh, NC 27699-1617 DENR - WATER OUALITY
Re: Renewal Notice POINT SOURCE BRANCH
NPDES Permit#NC0086011
Neilson WTP
Forsyth County
Dear Mrs. Sprinkle,
The City of Winston-Salem formally requests renewal of NPDES Permit #NC0086011 at
our Neilson Water Treatment Plant. As requested and required, this letter serves as
notification of our intention to renew this permit. Enclosed you will find all of the
documentation requested for renewal of this permit
Since the issuance of the last permit for this facility, no significant changes have occurred
that would affect this permit.
Should you have any questions regarding this matter please feel free to call me at (336)
747-7303.
Sincerely opprii,
David K. Sau d- s
Director of Utilities

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NCO085011 Dibcharge Point
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Neilson Water Treatment Plant Solids Handling Plan
The Neilson Water Treatment Plant is a 48 MGD water treatment facility. Solids are generated
by manual sludge removal from sedimentation basins, backwashing filters, and filter-to-waste
after filter backwashes are completed. Solids produced from filter backwashes and filter-to-waste
is routed to a waste pump station and is then pumped to the head of the water treatment process.
Solids removed from the sedimentation basins are routed directly to one of three residual
lagoons.
Permits and Classifications:
1. The discharge from the residuals lagoons is authorized by NPDES Permit NC0086011. The
classification for the discharge is Grade 1 Physical/Chemical.
Operation:
1. The system consists of a waste station with (3) Fairbanks Morse single stage pumps rated at
6.48 MGD each, (2) Fairbanks Morse basin sludge pumps rated at 1.0 MGD each, (2) lagoon
pumps rated at 0.65 MGD each and (3)residuals lagoons(2 lagoons at 1.47 MG and 1
lagoon at—2.0 MG). Each residuals lagoon consists of an oval earthen lagoon with clay
bottom.
2. Backwash and filter to waste water from the plant process flows to the waste station and then
is pumped by the waste station pumps to raw water reservoir#2 at the head of the plant
treatment process.
3. All sedimentation basin and hopper blow downs are pumped by the basin sludge pumps
directly to one of three residuals lagoons.
4. The solids stream enters on one end of each lagoon and the decant is pumped from the
opposite end by the lagoon pumps to the waste station where it is returned to the head of the
treatment process.
5. Residuals lagoons are rotated with one cleaned and ready for use, one in service and one
drying at all times.
6. Residuals are removed from the lagoons and hauled to an application site which consists of
—31 acres on Cooper Road (about 1.0 mile from the Neilson WTP) by a private contractor.
7. Once the sludge has dried it is spread and a grass cover planted to stabilize the area.
Application Requirements:
1. Bulk residuals are not applied under the following conditions:
i. If the residuals are likely to adversely affect a threatened or endangered species.
ii. If the application causes prolonged nuisance conditions.
iii. If the land fails to assimilate the bulk residuals or the application causes the
contravention of surface water or groundwater standards.
Neilson Water Treatment Plant
Solids Handling Plan
Revised 12/5/2008
1

iv. If the land is flooded, frozen, or snow-covered or is otherwise in a condition such that
runoff of the residuals would occur.
v. During a precipitation event or within 24 hours following a rainfall event of 0.5 inches
or greater in a 24-hour period.
vi. For residuals treatment and storage facilities,the following minimum setbacks shall be
adhered to:
Description of Setback Minimum Setback
(feet)
Habitable residence or place of public assembly under separate ownership or
not to be maintained as part of the project site 100
Property lines 50
Private or public water supply 100
Surface waters(streams,-intermittent and perennial,perennial water bodies,
and wetlands) 50
Wells with exception to monitoring wells 100
2. When land applying bulk residuals to application site,the following minimum setbacks are
maintained at all times:
Setback By Type of Residual(feet)
Description of Setback Liquid Cake
Private or public water supply 100 100
Surface waters(streams-intermittent and perennial,
perennial water bodies,and wetlands) 100 25
Surface water diversions(ephemeral streams,
waterways,ditches) 25 0
Groundwater lowering ditches(where bottom of
The ditch intersects SHWT) 25 0
Subsurface groundwater lowering system
Wells with exception to monitoring wells 100 100
Bedrock outcrops 25 0
3. Specific bulk residuals land application area boundaries are clearly marked on each land
application site prior to and during a residuals land application event.
Spills and Noncompliance Notification:
1. The Winston-Salem Regional Office,telephone number(336) 771-5000 will be notified
within 24 hours or the next working day following the occurrence or first knowledge of the
occurrence of any of the following:
i. Any occurrence with the distribution program which results in the land application of
significant amounts of wastes which are abnormal in quantity or characteristic.
Neilson Water Treatment Plant
Solids Handling Plan
Revised 12/5/2008
2

ii. Any failure of the distribution program resulting in a release of materials to receiving
waters.
iii. Any process unit failure, due to known or unknown reasons,that render the facility
incapable of adequate residual treatment.
2. Persons reporting such occurrences by telephone shall also file a written report in letter form
within(5)days following first knowledge of the occurrence.This report must outline the
actions taken or proposed to be taken to ensure that the problem does not recur.
3. Emergency Contacts: Neilson Water Treatment Plant [phone]
Rodney Darr, Plant Supervisor [phone]
[phone]
Bill Brewer, Water Treatment Supt. [phone]
[phone]
Winston-Salem/Forsyth County [phone]
Utility Administration
DEHNR Regional Office [phone]
General Emergency 911
HazMat
Neilson Water Treatment Plant
Solids Handling Plan
Revised 12/5/2008
3

•
FACT SHEET FOR EXPEDITED PERMIT RENEWALS
Basic Information to determine potential for expedited permit renewal
Reviewer/Date f Eeerr- L'— S-0 gPermit Number N c_ o o se(o O i l
Facility Name '- ?y G 1.vir•15?i•4 —SA- i ✓'
Basin Name/Sub-basin number 1,-W-it-A O 3—0-- c'L
Receiving Stream U-1- A-0 ,'Il v 1 -f Cye 4_
Stream Classification in Permit C
Does permit need NH3 limits? (Q 0
Does permit need TRC limits? -i 5�
Does permit have toxicity testing? C14.1-ck
Does permit have Special Conditions?
Does permit have instream monitoring? )-4 o
Is the stream impaired (on 303(d) list)? 'les
Any obvious compliance concerns?
Any permit mods since last permit? 1--10
Existing expiration date u v Nr 301 '2 009
New expiration date JO v 20 t �}
New permit effective date -4-
Miscellaneous Comments
Co11lVr/.1 Ttbl-4At- !.) iP
YES_ This is a SIMPLE EXPEDITED permit renewal (administrative
renewal with no changes, or only minor changes such as TRC,NH3,
name/ownership changes). Include conventional WTPs in this group.
YES_ This is a MORE COMPLEX EXPEDITED permit renewal(includes
Special Conditions (such as EAA, Wastewater Management Plan), 303(d)
listed, toxicity testing, instream monitoring,compliance concerns,phased
limits). Basin Coordinator to make case-by-case decision.
YES This permit CANNOT BE EXPEDITED for one of the following reasons:
• Major Facility(municipal/industrial)
• Minor Municipals with pretreatment program
• Minor Industrials subject to Fed Effluent Guidelines (lb/day limits for BOD, TSS,
etc)
• Limits based on reasonable potential analysis (metals, GW remediation organics)
• Permitted flow>0.5 MGD (requires full Fact Sheet)
• Permits determined by Basin Coordinator to be outside expedited process
TB Version 8/18/2006 (NPDES Server/Current Versions/Expedited Fact Sheet)