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HomeMy WebLinkAboutNC0033111_Draft_20230908FACT SHEET EXPEDITED - PERMIT RENEWAL Basic Information for Expedited Permit Renewals Permit Writer/Date Caroline Robinson / September 1, 2023 Permit Number - Class NCO033111 — Class WW-3 Flow 0.6 MGD Owner Carolina Water Service, Inc. of North Carolina Facility Name Fairfield Harbour Subdivision WWTP Type of Waste 100 % domestic Basin Name/Sub-basin number Neuse River Basin / 03-04-10 Receiving Stream Neuse River [segment 27-(104)] Stream Classification in Permit SB-Swamp NSW NH3 limits were added when the POTW received an authorization to expand to a 1.0 MGD wastewater treatment system, based upon the modeling conducted in 1993. No Does permit need Daily Max NH3 limits? limits were added for the current 0.6 MGD wastewater treatment system. Due to the tidal stream, NH3 limits cannot be recalculated using the toxicity spreadsheet. Limits will remain unchanged. Does permit need TRC limits/language? The TRC limit is at the standard for salt waters. No toxicity testing was included for the current 0.6 MGD Does permit have toxicity testing? Wastewater treatment system; however, toxicity testing is included with the expansion to a 1.0 MGD wastewater treatment system. Does permit have Special Conditions? Neuse nutrient conditions Does permit have instream monitoring? No Is the stream impaired (on 303(d) list)? Yes, added to the 303 (d) list in 2008 for Copper exceeding criteria. Remains on the list. No enforcements since 2011, six NOVs for daily maximum and Any obvious compliance concerns? monthly geometric mean exceedances of enter ococci in 2019, 2021, and 2022, and four NODS for daily maximum exceedances of BOD and Enterococci in 2018, 2019, and 2023 Any permit MODS since lastpermit? No Requests for Renewal Received January 13, 2023 New expiration date August 31, 2028 Changes to current permit? Updated map, added eDMR language, & added Neuse nutrient reo ener