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Home My WebLink AboutNC0028941_Fact Sheet_20240524NCDEQ / DWR / NPDES EXPEDITED FACT SHEET - NPDES PERMIT RENEWAL NPDES Permit NCO028941 Catherine Shadwell, Compliance & Expedited Permitting Unit / 919-707-3613 Feb 2024 FACILITY INFORMATION Applicant/Facility Name Aqua North Carolina, Inc. (Lauren Raup-Plummer) Pine Valley Subdivision WWTP Applicant Mailing Address 202 MacKenan Court Cary NC 27511 Facility Physical Address NCSR 1802 Salisbury NC 28147 Permitted Flow (MGD) 0.025 MGD Type of Waste 100% Domestic, < 1 MGD Facility Class WW-2 County Rowan Permit Status Renewal Regional Office MRO STREAM CHARACTERISTICS Receiving Stream Setman Branch Stream Classification C Stream Segment 12-108-21-4-1 Outfall Lat. 350 42' 20.2" N 7Q10 - Summer (cfs) 0 Outfall Long. 800 34' 00.1" W 7Q10 - Winter (cfs) 0 Drainage basin Yadkin -Pee Dee 30Q2 (cfs) — Subbasin 03-07-06 Average Flow (cfs) 0.2 RUC 030401020504 IWC (%) 100% (summer) / 100% (winter) 303(d) List Not listed. BASIC INFO FOR EXPEDITED PERMIT RENEWAL Does permit need Daily Max NH3 limits? Already present in permit Does permit need TRC limits/footnote? Already present in permit Does permit have toxicity testing? No Does permit have any Special Conditions? Yes, permit reopener for High Rock Lake oes permit have instream monitoring? Yes, U&D for Dissolved Oxygen and Temp ew expiration date: March 31, 2029 Facility Summary Aqua North Carolina, Inc. operates a Pine Valley Subdivision WWTP that treats 100% domestic wastewater. The Pine Valley WWTP is a minor facility (flow < 1 MGD) with a design capacity and permitted wastewater discharge of 0.025 MGD. The WWTP was originally permitted in 1981. This facility utilizes the following treatment components: • Influent Bar Screen • Aeration Basin • Clarifier • Chloring contact chamber w/ tablet chlorinator • Tablet de -chlorination • Sludge holding tank • Post aeration • Continuous effluent flow meter Fact Sheet for Permit Renewal Feb 2024 - NPDES Permit NCO028941 - Page 1 Renewal Summary This renewal contains the following changes: • Updated Section A. (3.) to reflect current federal requirements for Electronic Reporting of Discharge Monitoring Reports. • Updated outfall map Compliance History Since 2019 — Pine Valley Subdivision WWTP has received 1 NOV in 06/2022 for BOD daily max exceedance. The most recent inspection (11/2021) found facility to be in compliance and well operated. Comments on Draft Permit Fact Sheet for Permit Renewal Feb 2024 - NPDES Permit NC0028941 - Page 2 IWC Calculations Facility: Pine Valley Subdivision WWTP Permit No.: NC0028941 Prepared By: Catherine Shadwell Enter Design Flow (MGD): 0.025 Enter s7Q10 (cfs): 0 Enter w7Q10 (cfs): 0 Total Residual Chlorine (TRC) Ammonia (Summer) Daily Maximum Limit (ug/1) Monthly Average Limit (mg NH3-N/1) Design Permitted Design Permitted s7Q10 (CFS) 0 s7Q10 (CFS) 0 DESIGN FLOW (MGD) 0.025 € DESIGN FLOW (MGD) 0.025 € DESIGN FLOW (CFS) 0.03875 DESIGN FLOW (CFS) 0.03875 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 < 1 MGD Policy Applies Ammonia (Winter) Monthly Average Limit (mg NH3-N/1) Design Permitted Design Permitted Fecal Coliform w7Q10 (CFS) 0 Monthly Average Limit: 200/100m! € #VALUE! DESIGN FLOW (MGD) 0.025 (If DF >331; Monitor) DESIGN FLOW (CFS) 0.03875 (If DF<331; Limit) STREAM STD (MG/L) 1.8 Dilution Factor (DF) 1.00 #VALUE! 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 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) salisburyVost publisher's Affidavit Of Publication STATE OF NORTH CAROLINA ROWAN COUNTY No.1785091 PUBLIC NOTICE Before the undersigned, a Notary Public of said county NORTH CAROLINAENVIRONMENTAL and state, duly commissioned, qualified, and authorized by law COMMISSION/ POESUNITNT to administer oaths, personally appeared JOHN CARR, who 1617 MAIL SERVICE CENTER being first duly sworn, deposes and says that he is PUB- RALEICH, NC 27699-1617 LISHER of the SALISBURY POST, published, issued and en- tered as second class mail in the city of Salisbury, in Rowan Notice of a NPDES County, North Carolina, that he is authorized to make this W stewatertent Perm is N00028941 Pine Valley Subdivision WWTP affidavit and sworn statement, that the notice or other legal North a commis on advertisement, a true copy of which was attached hereto, ale Management proposes to issue a NPDES was published in the SALISBURY POST, on the followin g wastewater discharge permit to the dates: person(s) listed below. Written comments regarding the proposed permit will be accepted until 30 02/22/24 days after the publish date of this notice. The Director of the NC Di- vision of Water Resources (DWR) may hold a public hearing should there be a significant degree of and that the said newspaper in which such notice, paper public interest. Please mail com- document or legal advertisement was published at the time ments and/or information requests to DWR at the above address. of each and every such publication, a newspaper meeting Interested persons may visit the all the requirements and qualifications of Section 1-597 of DWR at 512 N. Salisbury Street, Raleigh, NC 27604 to review the the General Statutes of North Carolina, and was a qualified information on file. Additional newspaper within the meaning of Section 1-597 of the Gen- information on NPDES permits and this notice may be found on eral Statutes of North Carolina, our website: https://deq.nc.gov/ public-notices-hearings,or by call- ing (919) 707-3601. Aqua North Carolina, Inc. [202 MacKenan At a cost of $121.19 Court, Cary, NC 27511] has ap- plied for renewal of NPDES Per- Account #: 219278 mit NCO02for the Pine Val - Tagline: SP-PN NCO028941 Pine ley S bdivis on1 WWTP in Rowan County. This permitted facility dis- Purchase Order #: charges treated wastewater to the / Setman Branch in the Yadkin -Pee Dee River Basin. Currently, BOD, ammonia nitrogen, dissolved ox- ygen, fecal coliform, and total re- sidual chlorine are water quality limited. This discharge may affect (signature of person making affidavit) future allocations in this portion of the receiving stream. Publish Salisbury Post: 02/22/24. Sworn and subscribed before me on 02/22/24. Notary Public My commissioji expires 05/02/2026