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Home My WebLink AboutNC0034959_Fact Sheet_20240524 DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 NCDEQ/DWR/NPDES EXPEDITED FACT SHEET - NPDES PERMIT RENEWAL NPDES Permit NCO034959 Caroline Robinson/Compliance&Expedited Permitting Unit/caroline.robinson@deq.nc.gov/March 2024 FACILITY INFORMATION Rowan-Salisbury Schools(Dr. Jamie Durant, Chief Operations Applicant/Facility Name Officer) West Rowan High School WWTP Applicant Address/Mailing 1000 North Long Street, Salisbury,NC 28144 Address Facility Physical Address 8050 NC Highway 801,Mount Ulla,NC 28125 Permitted Flow(MGD) 0.010 MGD Type of Waste 100%Domestic,< I MGD Facility Class WW-1 County Rowan Permit Status Renewal Regional Office MRO STREAM CHARACTERISTICS Receiving Stream Withrow Creek Stream C Classification Stream Segment 12-108-21-3 Outfall Latitude 350 42'26"N 7Q10 - Summer(cfs) 9.9 Outfall Longitude 800 38'32"W 7Q 10 -Winter(cfs) 14.9 River basin Yadkin-Pee Dee 30Q2 (cfs) — Subbasin 03-07-06 Average Flow(cfs) 46.4 HUC 030401020502 IWC (%) 0.16%(summer)/ 303(d)List No 0.10%(winter) BASIC INFO FOR EXPEDITED PERMIT RENEWAL Does permit need Daily Max NH3 limits? No Does permit need TRC limits/footnote? Yes, limit and monitoring requirements will take effect on January I st,2029 Does permit have toxicity testing? No—not a complex wastestream Does permit have any Special Conditions? Yes—Nutrient Reopener for High Rock Lake Does permit have instream monitoring? No New expiration date: March 31,2029 FACILITY SUMMARY Rowan-Salisbury Schools operates a 100%domestic wastewater treatment plant for an estimated 1,190 people.West Rowan High School WWTP is a minor facility(flow< 1 MGD)with a design capacity and permitted wastewater discharge of 0.010 MGD. The permit for the WWTP was originally issued in August 1981. This facility utilizes the following treatment components: • Septic tank • Dosing tank • Alternating dual surface sand filter • In-ground effluent holding tank Fact Sheet for Permit Renewal March 2024-NPDES Permit NCO034959-Page 1 DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 RENEWAL SUMMARY This renewal contains the following changes: • Updated eDMR language for electronic data submission in Part I. A. (3). • The Mooresville Regional Office stated that the results of a dye test conducted at the discharge point indicated that there is a lack of mixing of the effluent with the receiving stream;therefore, MRO recommended adding chlorination to the effluent. A total residual chlorine limit was added to the table in Part I A. (1.)which will take effect on January 1",2029. • Operator Certification Program staff approved the draft permit. COMPLIANCE HISTORY West Rowan High School WWTP has not had an enforcement on record since 2000. The facility has been issued one NOV for a pH limit violation in 2023 since the permit was issued in February 2020.Most recent inspection(October 2020) showed the facility to be in compliance. COMMENTS ON DRAFT PERMIT • Mr. Roberto Scheller(Environmental Consultant,Mooresville Regional Office)noted that effluent samples were collected at the facility during November and December 2018 at the end of pipe effluent discharge point., and the results of fecal coliform were greater than 2500/100 ml. Mr. Scheller also stated that a dye test conducted at the discharge point indicated that there is a lack of mixing of the effluent with the receiving stream and the dye did not mix for at least 100 feet downstream.MRO recommended adding chlorination to the effluent at this facility. Therefore,a total residual chlorine limit was added to the table in Part 1. A. (1.)which will take effect on January 1",2029. This delay is to allow time for the installation of disinfection equipment. • Jeffrey Talbott(NC Operator Certification Program)noted"Operator certification notes that this facility is classified as a WW-1,with the ORC and all Backup ORC's active and in good standing with the program. We have no comments at this time." Fact Sheet for Permit Renewal March 2024-NPDES Permit NCO034959-Page 2 DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 IWC Calculations Facility:West Rowan High School WWTP Permit No.: NC0034959 Prepared By: Caroline Robinson Enter Design Flow(MGD): 0.01 <= Permitted Flow if Different from Design Enter s7Q10(cfs): 9.9 Enter w7Q10(cfs): 14.9 Total Residual Chlorine(TRC) Ammonia(Summer) Daily Maximum Limit(ug/1) Monthly Average Limit(mg NH3-N/1) Design Permitted Design Permitted s7Q10(CFS) 9.9 s7Q10(CFS) 9.9 DESIGN FLOW(MGD) 0.01 DESIGN FLOW(MGD) 0.01 DESIGN FLOW(CFS) 0.0155 DESIGN FLOW(CFS) 0.0155 STREAM STD(UG/L) 17.0 STREAM STD(MG/L) 1.0 Upstream Bkgd (ug/1) 0 Upstream Bkgd(mg/1) 0.22 IWC(%) 0.16 IWC(%) 0.16 Allowable Conc. (ug/1) 10875 Allowable Conc.(mg/1) 499.2 Ammonia(Winter) Monthly Average Limit(mg NH3-N/1) Design Permitted Design Permitted Fecal Coliform w7Q10(CFS) 14.9 Monthly Average Limit: Not Require #VALUE! DESIGN FLOW(MGD) 0.01 (If DF>331; Monitor) DESIGN FLOW(CFS) 0.0155 (If DF<331; Limit) STREAM STD(MG/L) 1.8 Dilution Factor(DF) 639.71 #VALUE! Upstream Bkgd(mg/1) 0.22 IWC(%) 0.10 Allowable Conc.(mg/1) 1520.6 `2B .0404 (c)Applies 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 •By Policy dischargers< 1 MGD get limits no lower than 2&4 due to BAT "From 2B .0404(c)-Winter Limits can be no less stringent than 2 times the summer limits Fecal Coliform 1. Monthly Avg limit x 2=400/100 ml =Weekly Avg limit(Municipals)= Daily Max limit(Non-Muni) DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 Permit Enforcement History by Permit Permit: NC0034959 Facility: West Rowan High School Owner: Rowan-Salisbury Schools Region: Mooresville County: Rowan Penalty Remission Enforcement EMC Collection Has Assessment Penalty Enforcement Request Conference Hearing Memo Sent Payment Case Case Approved Amount Costs Damages Received Held Held To AGO Total Paid Balance Due Plan Closed LR-1990-0013 01/24/90 $150.00 $0.00 $0.00 02/15/90 04/04/90 $150.00 $0.00 No 05/24/90 LV-1999-0235 06/25/99 $250.00 $69.07 $319.07 $0.00 No 07/06/99 LV-2000-0006 01/07/00 $1,000.00 $71.54 $1,071.54 $0.00 No 02/11/00 Total Cases: 3 $1,400.00 $140.61 $1,540.61 $0.00 Total Penalties: $1,540.61 Total Penalties after $1,540.61 DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 MONITORING REPORT(MR)VIOLATIONS for: Report Date: 01/19/24 Page 1 of 1 Permit: NCO03495 MRs Betweei 2 - 2020 and 1 - 2024 Region: % Violation Category:% Program Category: Facility Name:% Param Nam(% County: % Subbasin:% Violation Action:% Major Minor: % Rr PERMIT: NCO034959 FACILITY: Rowan-Salisbury Schools-West Rowan High School COUNTY: Rowan REGION: Mooresville Limit Violation MONITORING VIOLATION UNIT OF CALCULATED % REPORT OUTFALL LOCATION PARAMETER DATE FREQUENCY MEASURE LIMIT VALUE Over VIOLATION TYPE VIOLATION ACTION 03-2021 001 Effluent pH 03/11/21 2 X month Su 6 4.78 20.3 Daily Minimum Not No Action, Facility Reached Reporting Error 03-2021 001 Effluent pH 03/16/21 2 X month Su 6 5.64 6 Daily Minimum Not No Action, Facility Reached Reporting Error 10-2021 001 Effluent pH 10/11/21 2 X month Su 6 5.2 13.3 Daily Minimum Not No Action, Facility Reached Reporting Error 03-2023 001 Effluent pH 03/02/23 2 X month Su 9 10.1 12.2 Daily Maximum Proceed to NOV Exceeded Monitoring Violation MONITORING VIOLATION UNIT OF CALCULATED % REPORT OUTFALL LOCATION PARAMETER DATE FREQUENCY MEASURE LIMIT VALUE Over VIOLATION TYPE VIOLATION ACTION 10-2021 001 Effluent Flow,in conduit or thru 10/09/21 Weekly mgd Frequency Violation No Action, Facility treatment plant Reporting Error 07-2020 001 Effluent Temperature,Water Deg. 07/04/20 Weekly deg c Frequency Violation No Action, Facility Centigrade Reporting Error 10-2021 001 Effluent Temperature,Water Deg. 10/09/21 Weekly deg c Frequency Violation No Action, Facility Centigrade Reporting Error DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 Salisbury Post Publisher's Affidavit Of Publication STATE OF NORTH CAROLINA No.1779525 ROWAN COUNTY Public Notice North Carolina Environmental Management Comm ission/NPOES Before the undersigned, a Notary Public of said county and unit state, duly commissioned, qualified, and authorized by law 1617 Mail Service Center to administer oaths, personally appeared JOHN CARR,who Raleigh,NC 27699-1617 being first duly sworn, deposes and says that he is PUB- Notice of Intent to Issue NPDES LISHER of the SALISBURY POST,published,Issued and en- Wastewater Permit NC00034959 tered as second class mail in the city of Salisbury,in Rowan West Rowan High School WWTP County, North Carolina, that he is authorized to make this The North Carolina Environmental y Management Commission pro- affidavit and sworn statement,that the notice or other legal poses to issue a NPDES waste- water discharge permit to the advertisement, a true copy of which was attached hereto, person(s) listed below. Written was published in the SALISBURY POST, on the following comments regarding the proposed permit will be accepted until 30 dates: days after the publish date of this notice.The Director of the NC Di- 02/11/24 vision of Water Resources(DWR) may hold a public hearing should there be a significant degree of public interest. Please mail com- ments and/or information requests and that the said newspaper in which such notice, paper to DWR at the above address. document or legal advertisement was published at the time Interested persons may visit the DWR at 512 N. Salisbury Street, of each and every such publication, a newspaper meeting Raleigh, NC 27604 to review the all the requirements and qualifications of Section 1-597 of information on file. Additional in- formation formation on NPDES permits and the General Statutes of North Carolina, and was a qualified this notice may be found on our newspaper within the meaning of Section 1-597 of the Gen- website: https:Hdeq.nc.gov/pub- Iic-notices-hear!ngs,or by calling eral Statutes of North Carolina, (919)707-3601. The Rowan-Salis- bury Schools applied to renew NPDES permit NCO034959 for West Rowan High School (8050 At a cost of $111.27 NC Highway 801, Mount Ulla) in Rowan County. This facility dis- Account#: 23483 charges to Withrow Creek in the Tagline: SP-Wastewater permit Yadkin-Pee Dee River Basin.Cur- rently total residual chlorine(TRC) Purchase Order#: and pH are water quality limited. This discharge may affect future por- tion of Wit allocations in this por- �.�- lion of Withrow Creek. Publish Salisbury Post: 02/11/24, 02/13/24. (signature of person making affidavit) Sworn and subscribed before me on 02/12/24. Notary Public My commission expires 05/02/2026 DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 From: Pitner,Andrew To: Robinson.Caroline Subject: FW: Draft Permit Review NC0034959 Date: Monday,January 22,2024 2:22:50 PM Attachments: imaae001.Dna FYI for Roberto's comments below. Andrew Pitner, P.G. -Andrew.Pitner@ncdenr.gov Division of Water Resources - Water Quality Regional Operations Mooresville Regional Office (MRO) North Carolina Department of Environment& Natural Resources 610 East Center Avenue, Suite 301, Mooresville, NC 28115 MRO Main Phone: (704) 663-1699 Direct Office Phone: (704) 235-2180 MRO Fax: (704) 663-6040 DWR website: http://www.ncwater.org NOTICE: Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties unless the content is exempt by statute or other regulation. From: Scheller, Roberto <roberto.scheller@deq.nc.gov> Sent: Monday,January 22, 2024 12:14 PM To: Pitner, Andrew<andrew.pitner@deq.nc.gov> Subject: RE: Draft Permit Review NCO034959 Samples were collected for Fecal Coliform during November and December 2018 of effluent discharge at end of pipe. Results were greater than 2500/100 ml. A dye test was also conducted to determine mixing of effluent with receiving stream. It was noted that dye stayed on right bank of stream and did not mix for at least 100 feet downstream. It is recommended the addition of chlorination to effluent at this facility. Roberto L. Scheller Environmental Consultant Water Quality Regional Operations Section Mooresville Regional Office Division of Water Resources, NCDEQ From: Pitner, Andrew<andrew.pitner(@deq.nc. og_v> Sent: Friday, January 19, 2024 2:09 PM To: Scheller, Roberto<roberto.schellerPdeq.nc.gov> Cc: Robinson, Caroline<caroline.robinson(@deq.nc.gov> Subject: FW: Draft Permit Review NCO034959 Hey Roberto, DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 Please review for the MRO as you've got some experience with this facility.Thanks, Andrew Andrew Pitner, P.G. -Andrew.Pitner(a)ncdenr.gov Division of Water Resources - Water Quality Regional Operations Mooresville Regional Office (MRO) North Carolina Department of Environment& Natural Resources 610 East Center Avenue, Suite 301, Mooresville, NC 28115 MRO Main Phone: (704) 663-1699 Direct Office Phone: (704) 235-2180 MRO Fax: (704) 663-6040 DWR website: http://www.ncwater.orci NOTICE: Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties unless the content is exempt by statute or other regulation. From: Robinson, Caroline<caroline.robinson(@deq.nc.gov> Sent: Friday, January 19, 2024 1:56 PM To: Pitner, Andrew<andrew.pitner(@deq.nc.gov>; Talbott,Jeffrey<ieffrey.talbott(@deq.nc.gov> Subject: Draft Permit Review NCO034959 Hi Andrew and Jeffrey, The NCO034959 draft permit renewal is ready for review! The draft permit renewal for the West Rowan High School WWTP (NC0034959) will go to Notice on 2/6/2024. Please send me any comments as time permits. Thanks, Caroline Caroline Robinson (she/her/hers) Environmental Specialist 11, Division of Water Resources North Carolina Department of Environmental Quality Office: (919) 707-9130 / Cell: (757)818-3696 caroline.robinson(@deq.nc.g-oE Q NORTH CAROLINA - Department of Environmental Quality Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Email correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 From: Talbott,Jeffrey To: Robinson.Caroline; Pitner,Andrew Subject: RE: Draft Permit Review NCO034959 Date: Monday,February 19,2024 12:07:38 PM Attachments: imaoe001.ona Hello Caroline, Operator certification notes that this facility is classified as a WW-I, with the ORC and all Backup ORC's active and in good standing with the program. We have no comments at this time. Thank you. Jeff Talbott Supervisor, NC Operator Certification Program Division of Water Resources Department of Environmental Quality Phone:(919)707-9108 Email:Jeff rey.TalbottCo)deq.nc.gov --------------------------------------------------------------------------------------------------------------- --------------- Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Robinson, Caroline<caroline.robinson@deq.nc.gov> Sent: Friday, January 19, 2024 1:56 PM To: Pitner, Andrew<andrew.pitner@deq.nc.gov>; Talbott, Jeffrey<jeffrey.talbott@deq.nc.gov> Subject: Draft Permit Review NCO034959 Hi Andrew and Jeffrey, The NCO034959 draft permit renewal is ready for review! The draft permit renewal for the West Rowan High School WWTP (NC0034959) will go to Notice on 2/6/2024. Please send me any comments as time permits. Thanks, DocuSign Envelope ID:324D2AA2-0480-4775-ADOF-130989B47568 Caroline Caroline Robinson (she/her/hers) Environmental Specialist ll, Division of Water Resources North Carolina Department of Environmental Quality Office: (919) 707-9130 / Cell: (757)818-3696 caroline.robinson(@deq.nc.gov OE Q:> NORTH CAROLINA Department of Environmental Quality Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. Email correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties by an authorized state official.