NC0082949_Application_20181018

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ROY COOPER NORTH CAROLINA
Governor Environmental Quality
MICHAEL S.REG_AN
Secretory
LINDA CULPEPPER
Interim Director
October 19, 2018
Genie Russell, Clerk Town
Town of Denton
PO Box 306
Denton, NC 27239-0306
Subject: Permit Renewal
Application No. NC0082949
Denton WTP
Davidson County
Dear Applicant:
The Water Quality Permitting Section acknowledges the October 18, 2018 receipt of your permit renewal application and
supporting documentation. Your application will be assigned to apermit writer within the Section's NPDES WW permitting
9 PP 9 P 9
branch. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq.nc.gov/permits-regulations/permit-guidance/environmental-aDolication-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely,in( -
,z,-, ,(4W
Wren hedford
Administrative Assistant
Water Quality Permitting Section
ec: WQPS Laserfiche File w/application
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North Carolina Department of Environmental Quality I Division of Water Resources
1617 Mail Service Center I Raleigh,North Carolina 27699-1617
919-807-6300

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TOWN OF DENTON RECEIVED/DENR/DWR
OCT 182018
October 10,2018 Water Resources
Permitting Section
NCDEQ/DWR/NPDES
1617 Mail Service Center
Raleigh,NC 27699-1617
Subject: Request for renewal of Town of Denton WTP NPDES Discharge Permit NC0082949
Dear Sirs,
I am hereby submitting the required NPDES Permit Application Short Form C to respectfully
request renewal of our NPDES discharge permit NC0082949 for the Water Treatment Facility.
If there is any further information that you require,do not hesitate to contact me at 336-859-5885
or at email address [e-mail].
Thank you for your attention to this matter.
Sincerely, /yl� l -
I/r
Michael S. High
Town of Denton Utility Director
201 W. Salisbury Street
P.O. Box 306 Phone: [phone]
Denton,NC 27239 Fax: [phone]
This institution is an equal opportunity provider and employer

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Mail the complete application to:
NCDEQ / DWR / NPDES
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number NC0082949
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 John Gray, Interim Town Manager
Facility Name Denton WTP
Mailing Address PO Box 306
City Denton RECEIVED/DENR/DWR
State / Zip Code NC 27239 OCT 18 2018
Telephone Number [phone] Water Resources
Fax Number [phone] Permitting Section
e-mail Address [e-mail]
2. Location of facility producing discharge:
Check here if same as above ❑
Street Address or State Road 3049 Bringle Ferry Road
City Denton
State / Zip Code NC 27239
County Davidson
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 Denton
Mailing Address PO Box 306
City Denton
State / Zip Code NC 27239
Telephone Number [phone]
Fax Number [phone]
i
4. Ownership Status:
Federal ❑ State ❑ Private ❑ Public
Page 1 of 3 Version 6/2017

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
5. 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 from Tuckertown Reservoir apart of the Yadkin/Pee Dee River Basin
7. Describe the treatment process(es) for the raw water:
Carbon addition, Potassium Permanganate addition, Flash mixing, Caustic Soda and Alum
addition, Sedimentation basin, sand filters, Chlorine added, Clear well, Chlorine added,
distribution system.
bythe
wastewater and the treatment process(es) for wastewater generated
8. Describe the P ( )
facility:
Approximately 90% of the wastewater generated is from the sedimentation basins. The
remaining 10% comes from backwashing sand filters
9. Number of separate discharge points: 01 Outfall Identification number(s) 001
10. Frequency of discharge: Continuous ❑ Intermittent
If intermittent:
Days per week discharge occurs: 1 Duration: 2 hours
11. Plant design potable flowrate 2.2 MGD
Backwash or reject flow 0.342 MGD
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitudes
Lick Creek, 1636390.453, 674200.847
13. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments, that have the potential to be discharged.
Alum / aluminum sulfate Yes I No
Page 2 of 3 Version 6/2017

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
5. 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 from Tuckertown Reservoir apart of the Yadkin/Pee Dee River Basin
7. Describe the treatmentP rocess(es) for the raw water:
Carbon addition, Potassium Permanganate addition, Flash mixing, Caustic Soda and Alum
addition, Sedimentation basin, sand filters, Chlorine added, Clear well, Chlorine added,
distribution system.
8. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
Approximately 90% of the wastewater generated is from the sedimentation basins. The
remaining 10% comes from backwashing sand filters
9. Number of separate discharge points: 01 Outfall Identification number(s) 001
10. Frequency of discharge: Continuous ❑ Intermittent
If intermittent:
Days per week discharge occurs: 1 Duration: 2 hours
11. Plant design potable flowrate 2.2 MGD
Backwash or reject flow 0.342 MGD
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitudes
Lick Creek, 1636390.453, 674200.847
13. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments, that have the potential to be discharged.
Alum / aluminum sulfate Yes ✓ No
Page 2 of 3 Version 6/2017

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Iron sulfate / ferrous sulfate Yes No ✓
Fluoride Yes No ✓
Ammonia nitrogen / Chloramines Yes No ✓
Zinc-orthophosphate or sweetwater CP1236 Yes No ✓
List any other additives below:
Caustic Soda, Orthopolyphosphate blend, Potassium Permanganate
14. Is this facility located on Indian country? (check one)
Yes ❑ No
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 point[s] 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 strongly recommended 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.
Ch erg/ r, _ /J;l'L°cI c Oi- poe/,'C G117/16-
Printed name of Person igning Title
92, ( I � . /O - / /cil
signature of App t 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 Artide 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 Artide,shall be guilty of a misdemeanor punishable by a fine not to exceed$25,000,or by
imprisonment not to exceed six 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 3 of 3 Version 6/2017

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REVISIONS
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EXISTING RATED CAPACITY: 1568 GPM (2.25 MGD) .4-it,
- PROPOSED RATED CAPACITY: 1568 GPM (2.25 MGD) . :.
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PUMP STATION VALE BAISIN WATER
PUMP STATION DISTRIBUTION
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EXIST: 2-PUMPS F7(tiE51!B: NEW 12' BaiL.11FMIG 1681081, DETENTION TIE SURFACE'LOADING FILTER RATE EXIST: I EA-500.000 GAL COST: 2-PUMPS(1000 GPM
a ,1400 GPM 0 BOFT.TDN FLOW TUBE WITH 0 330FT TDH)
MODULATING VALVE RRBPYEO:4 MIN. F705T: 20 MIN. EXIST: 0.35 GPM/Sr ��;4 CPM SF �BBi 2 EA.500,000✓
7 PROPOSED: MAINTENANCE DETENTION / (1568 CPM) GAL 1 PUMP(1000 GPM O 380 FT.1D/1) U)
S00 MN. memo,* ,35 CPM/Si WITH 2 FILTERS/0 SPARE PteVN TO ADD VTO ✓ W 0
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Town of Denton Water Treatment Plant Facility Y
Latitude: 35°35'48" Sub-Basin: 03-07-08 Location
Longitude: 80°13'22"
Quad 8: El8SW .-
Stream Class: WS-IV-B-CA
Receivins Stream: UNNAMED TRIBUTARY TO THE YADKIN RIVER North NC0082949
Permitted Flow: N/A