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HomeMy WebLinkAboutNC0090247_Public Hearing Presentation_20240205--� qAILI - jI. 4 Y • l i + �'-- —ter ,sn - - ■• � 4 • {�� * • J ' r .�.ry r - A — . 4' , •f i rT a NOF�TH.GARQLINA I•� - Department of Environmental Quality 10- .. Background • Henderson County - Clear Creek WWTP • NPDES Permit No. NC0090247 • Service Area: Edneyville area in Henderson County • Permitted flow = 0.2 MGD (with potential expansion to 0.5 MGD) • Will allow three existing WWTPs to be abandoned • Discharges to Clear Creek, Class C waterbody • Listed as impaired in the 2022 North Carolina 303 (d) List X ie D ,�E NORTH CAROLINA Department of Environmental Quality dMW *a 10 YL r"4 df 41 1126 Legend N - x WWTF Parcels 144-Year Floodplain '• ® Floodmay or All '.Z17FA�" Outfall Location U %!, uJ4 jI-ILI rC_,I 1 inch = 300 feet l+VI+VTP Footprint (with Expansion) 96803894.75 _ i qFA K . ' i Henderson County, NC Figure 7 DM Smith J.EQNORTH CAROLINA t1A Department of Environmental Quality N COCK Q r � t� Hendersonville WWTP W 1191am H. King Mem000l PRTN II m � Fruitland x m 3 .lpr+fs e, p Ito Proposed Clear Creek { 'i WWTPfps �d o �d Fruitland Road7 } 1 ,idrew Jackson Hwy Camp a a Judaea WWTP c¢ 94 Q00 c yy��itioai Rd ff 1P L` vaf A PP�lR rey Rr Blacksmith Run WWTP Edne•Y;iIle 100,=.— L T 4 � s Western Justice AV Academy I WWTP Saconorl Mill Corner 5 NPDES Permitting Process • Complete Application • Application received on April 17, 2023 • Engineering Alternative Analysis (EAA) • Additional Information (if needed) • Draft Permit • Public Notice — 30-day comment period • Draft permit was public noticed on September 12, 2023 • Public Hearing • Final Decision — Must be made within 90 days of public hearing D�..E NORTH CAROLINA t1A Department of Environmental Quality Engineering Alternatives Analysis (EAA) • Connection to POTW • Hendersonville WWTP is approximately 3.6 miles away and can accept flow, approximately $12.3 million • Land Application • County -owned land application system, approximately $17.2 million • Agricultural land application, approximately $13.3 million • Wastewater reuse • approximately $15.8 million • Surface water discharge (NPDES permit) • approximately $9.8 million ,,:���D - -"A .�E %,- NORTH CAROLINA WA Department of Environmental Quality 7 Permit Components (Individual Permits) • Components List and Receiving Stream Characteristics is Effluent Limitations and Monitoring Requirements is Special Conditions is Standard Conditions D - -"A JmE %,- NORTH CAROLINA WA Department of Environmental Quality Ar Components List A 0.2 MGD wastewater treatment facility consisting of, but not limited to: • Influent pump station • Bar screens • Flow equalization tank • Two (2) activated sludge trains • Two (2) secondary clarification tanks • Sludge holding tank • Chlorine contact basin NORTH CAROLINA �EQ WA Department of Environmental Quality _i Effluent Limits &Monitoring Requirements 0.2 MGD Effluent Characteristics Flow (MGD) Total Residual Chlorine (TRC) BOD, 5-day, (20°C) Ammonia (NH3 as N) Dissolved Oxygen Total Suspended Solids (TSS) pH Fecal Coliform (geometric mean) Chronic Toxicity Pass/Fail Total Nitrogen (TN) Total Phosphorus JP) Department of Environmental Quality Limits Monthly A verage Weekly A verage Daily Maximum 0.2 MGD 28 pg/L 30.0 mg/L 45.0 mg/L Monitor & Report Daily Average > 5.0 mg/L 30.0 mg/L 45.0 mg/L Not < 6.0 or > 9.0 standard units 200 / 100 m L 400 / 100 m L P/F at 2% Monitor & Report Monitor & Report NORTH CAROLINA Department of Environmental Quality 10 � Special Conditions is Chronic Toxicity Pass/Fail Monitoring (Quarterly) • Instream Assessment of Biological Integrity (Annually) • Notification of Start-up is Electronic Reporting of Discharge Monitoring Reports Department of Environmental Quality D - -"A ,� E w&,- NORTH CAROLINA Department of Environmental Quality 11 Anticipated Permit Timeline • Public Hearing — February 5, 2024 • Public Comment Period Closes — 5:00 p.m. on February 6, 2024 • Final Decision (90 days) — No later than May 5, 2024 Department of Environmental Quality ,�E NORTH CAROLINA Department of Environmental Quality 12 NCDEQ Division of Water Resources Contact Information • Siying Chen, Environmental Specialist II Compliance & Expedited Permitting Unit • Email: siying.chen@deq.nc.gov • Phone:919-707-3619 For Public Records Requests: • Laura Oleniacz, Public Information Officer Division of Water Resources • Email: laura.oleniacz@deq.nc.gov • Phone:919-707-8604 Department of Environmental Quality .�E NORTH CAROLINA Department of Environmental Quality 13 �- Public Comments on the Daft Permit • Mailed (post -marked no later than February 6, 2024): NCDEQ/DWR/WQ Permitting Section Attn: Siying Chen Attn: Clear Creek WWTP 1617 Mail Service Center Raleigh, NC 27699-1617 • E-mail (through Tuesday, February 6, 2024, 5 p.m.) pu bl iccom ments(a-),deq . nc.gov. Please include "Clear Creek WWTP" in the email subject line. NORTH CAROLINA QAV Department of Environmental Duality 14