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Home My WebLink AboutNC0082694_Renewal (Application)_20200227 STA1 ft i ROY COOPER g15` -_ . Governor : ' ,,ti F e>el; MICHAEL S.REGAN ` `` Secretary .A A"`� S.DANIEL SMITH NORTH CAROLINA. Director - Environmental Quality February 27, 2020 Town of Dallas Attn: Zackery L. Foreman, WTP Supt. 210 N Holland St Dallas, NC 28034 Subject: Permit Renewal r Application No. NC0082694 Dallas WTP Gaston County Dear Applicant: The Water Quality:Permitting Section acknowledges the February 21, 2020 receipt of your permit renewal application and supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW permitting branch. Per G.S. 150E-3 your current permit does not expire until permit decision on the application is made. Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit.The permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a timely manner to requests for additional information necessary to allow a complete review of the application and renewal of the permit. Information regarding the status of your renewal application can be found online using the Department of Environmental Quality's Environmental Application Tracker at: https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker If you have any additional questions about the permit, please contact the primary reviewer of the application using the links available within the Application Tracker: Sincerely, ki j(041, Wren Thedford Administrative Assistant Water Quality Permitting Section ec: WQPS Laserfiche File w/application N'rth Cra a Departrn_rit ofv.roiiersQ ei .1 ;Dnzoi of/ ter Res i rc s DEopf, vB4eoft.lol :DE_:ci:r; t ,s1:_ tiIt. .6t ffis 3or -vl? ;North a roli na 28115 b;.aLus1:1�4,,Z2\Yr ? '6'C -1C�`�v 9 DALLAS The Crossroads of(Gaston County Town of Dallas Water Treatment Division RECEIVED 1342 Dallas Stanley Hwy Dallas NC 28034 FEB 2 1 2020 NCDEQ/DWR N-PDES NPDES Permit Renewal Package (NC0082694) Zackery Foreman Water Treatment Superintendent Zackery L. Foreman Water Treatment Superintendent Town of Dallas 210 N. Holland St Dallas, NC 28034 February 13, 2020 eo Recel\I Wren Thedford FEg 21010 NC DENR/DWR/NPDES Unit 1617 Mail Service Center NDDEQIDVJRRNPDES Raleigh, NC 27699-1617 REF:TOWN OF DALLAS NPDES PREMIT(NC0082694) This letter in reference to the WTP NPDES Dischargepermit. We are requesting renewal of this permit. I have g q g attached all supporting documents according to the renewal application checklist.There have not been any changes to the facility since the last permit renewal. If additional information is needed, please contact me at (704)922-1309 or zforeman@dallasnc.net Sincerely, Zack Foreman Water Treatment Superintendent Town of Dallas 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 NC0082694 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 Town of Dallas RECEIVED Facility Name Town of Dallas Water Treatment Facility FEB 21.2020 Mailing Address 1342 Dallas Stanley Hwy NCDEQ/DWR/NPDES City Dallas State / Zip Code NC 28034 Telephone Number (704) 922-1309 Fax Number (704) 922-4701 e-mail Address zforeman@dallasnc.net 2. Location of facility producing discharge: Check here if same as above Street Address or State Road 1342 Dallas Stanley Hwy City Dallas State / Zip Code NC 28034 County Gaston 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 Dallas Mailing Address 210 N. Holland St City Dallas State / Zip Code NC 28034 Telephone Number (704) 922-3176 Fax Number (704) 922-4701 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 (Southfork River) 7. Describe the treatment process(es) for the raw water: Water enters the facility the addition of caustic for pH. Then the addition of aluminum sulfate for coagulation. The water then enters the conventional WTP facility (flash mix, flocculation, sedimentation, filtration). Then post chemicals are added which are orthophosphate (Carus 8600), Fluoride, and chlorine. 8. Describe the wastewater and the treatment process(es) for wastewater generated by the facility: The wastewater created by the facility is from backwashing multi-layer filter. The water is sent to a holding lagoon. The water remains in holding lagoon to eliminate chlorine residual to dissipate and allow the solids to settle. Then the water is pumped to sand filter drying beds. The residual solids are captured on the sand filter bed and the water can the discharge to the river. 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: 2 Duration: 2-3 hrs 11. Plant design potable flowrate 1 MGD Backwash or reject flow .03 MGD 12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including latitude and longitude): Southfork River 13. Please list all water treatment additives, including cleaning chemicals or disinfection treatments, that have the potential to be discharged. Alum / aluminum sulfate Yes V No V Iron sulfate / ferrous sulfate Yes No Page 2 of 3 Version 6/2017 NPDES PERMIT APPLICATION - SHORT FORM C - WTP For discharges associated with water treatment plants Fluoride Yes f No Ammonia nitrogen / Chloramines Yes No Zinc-orthophosphate or sweetwater CP1236 Yes No List any other additives below: Carus 8600 Ortho Phosphate Chlorine Sodium Hydroxide (Caustic) 14. Is this facility located on Indian country? (check one) Yes ❑ No lZ 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. Zackery L. Foreman Water Treatment Superintendent Printed name of Person Signing Title .?-/ 2420 Signatur Applicant 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 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 TOWN OF DALLAS Water Treatment Facility 1342 Dallas Stanley Hwy Dallas, NC 28034 (704) 922-1309 NPDES Permit NC0082634 SLUDGE MANAGEMENT PLAN is collected in a lagoon. Residual solids are also collected on the sand filters of the drying beds from Sludge g y g the supernatant being pumped from the lagoon.The Residual solids from the drying beds are periodically when needed removed from the drying beds. We allow the solids to dry. Then remove the solids by excavator, and they are hauled to the local landfill. Where they are disposed of. We also periodically as needed remove solids from the lagoon. This is completed either by excavator or by dredge. With the removal of solids from the lagoon there are two disposal methods may be used. Due to the fact of how wet these solids are. We either send them to the landfill or land apply them in accordance to our land application permit. Solids are only handled on an as needed basis. Zackery Foreman Water Treatment Superintendent TOWN OF DALLAS TOWN OF DALLAS NPDES PERMIT RENEWAL SCHEMATIC 1342 Dallas Stanley Hwy Water Treatment Facility Dallas NC 28034 A— Outfall Filter Bed Filter Bed Lagoon Overflow lagoon Filter Backwash 1 MGD Flow J Chlorine R ► ► I Filter Flouride Chlorine Flocculation 2 Caustic Phosphate Sedimentation Flocculation 1 Flash Mix •r -__ Aluminum Sulfate Caustic TOWN OF DALLAS NPDES PERMIT RENEWAL SCHEMATIC 1342 Dallas Stanley Hwy Water Treatment Facility Dallas NC 28034 i Siltation Basin /!w r 3 ! k ' I tiDal as Water Flagt ' il ® —e. 0 -. :r ? . . ;i., Lagoon o • z Storm Water Waste Discharge Disclt8r5G _ 35° 19' 48" Al 81° 07'58"W