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Home My WebLink AboutNC0035149_Permit (Correction)_20230207DocuSign Envelope ID: 8E412CDE-21 D0-4864-8419-0469F5E6896B ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Water Resources Management, Inc. ATTN: Randy Carter 151 Mr. Bish Blvd Boone, NC 28607 Dear Permittee: NORTH CAROLINA Environmental Quality 2/7/2023 Subject: Change -Page to Correct Error NPDES Permit NC0035149 Water Resources Management, Inc. Seven Devils Resort WWTP Watauga County The Division of Water Resources (the Division) became aware of an error in your recently issued permit (January 30, 2023) for Seven Devils Resort WWTP, NPDES Permit No. NC0035149. It has been brought to our attention that the Renewal needed clarification as follows: • The sample location for Temperature has been changed to upstream & downstream in Section A. (2.) Effluent Limitations and Monitoring Requirements. • The sample location for Temperature has been changed to upstream & downstream in Section A. (3.) Effluent Limitations and Monitoring Requirements. Therefore, the Division has made a correction to the appropriate pages in the Permit Renewal. Please insert the enclosed corrected pages into your existing permit and discard the old pages. We regret any inconvenience this causes your organization. Please note that this permit is not transferable except after notice to the Division. The Division may require modification or revocation and reissuance of the permit. This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Water Resources or any other Federal, State, or Local governmental permits that may be required. If you have questions, or if we can be of further service, please contact Siying Chen at siying.chen@ncdenr.gov or call (919) 707-3619. Respectfully, —DocuSigned by: 8328B44CE9EB4A1... Richard E. Rogers, Jr. Director, Division of Water Resources Enclosure: NPDES Permit NC0035149 (Corrected Pages) cc: NPDES Program Files [Laserfiche] NC DEQ Winston-Salem Regional Office [email] Carolina Water Service — Neil Reece [Ronnie.reece@carolinawaterservicenc.com] 1:tE NORTH CAROLINA Department of Environmental Wanly North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617 919.707.9000 NPDES Permit NC0035149 A. (2.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15 NCAC 02B .0400 et seq., 02B .0500 et seq.] Grade WW-2 Water Pollution Control System [15A NCAC 08G.0302] Beginning on the effective date of this permit and lasting until expansion above 0.020 MGD or permit expiration, the Permittee is authorized to discharge from Outfall 001. Such discharges shall be limited, monitored, and reportedi by the Permittee as specified below: PARAMETER [Parameter Codes] EFFLUENT LIMITATIONS MONITORING REQUIREMENTS Monthly Average Daily Maximum Measurement Frequency Sample Type Sample Location Flow 50050 0.070 MGD Continuous Recorder Effluent Temperature 00010 Daily Grab Effluent Total Residual Chlorine 2 50060 28 fag/L 2/Week Grab Effluent Dissolved Oxygen 00300 Not < 6.0 mg/L Weekly Grab Effluent Total Suspended Solids C0530 30.0 mg/L 45.0 mg/L Weekly Composite Effluent BOD 5-Day C0310 30.0 mg/L 45.0 mg/L Weekly Composite Effluent pH 00400 Not < 6.0 or> 9.0 s. u. Weekly Grab Effluent Ammonia (NH3 as N) [Apr 1 to Oct 31] C0610 2.0 mg/L 10.0 mg/L Weekly Composite Effluent Ammonia (NH3 as N) [Nov 1 to Mar 31] C0610 4.6 mg/L 23.0 mg/L Weekly Composite Effluent Fecal Coliform (geometric mean) 31616 200 / 100 mL 400 / 100 mL Weekly Grab Effluent Total Nitrogen (NO2+NO3+TKN) C0600 Quarterly Composite Effluent Total Phosphorus C0665 Quarterly Composite Effluent Temperature 00100 Weekly Grab U & D 3 Dissolved Oxygen 00300 Weekly Grab Effluent Turbidity 00070 Weekly Grab Effluent Footnotes: 1. The Permittee shall submit discharge Monitoring Reports electronically using the Division's eDMR submittal system [see A. (4.)]. 2. The Division shall consider all effluent TRC values reported below 50 µg/L to be in compliance with the permit. However, the Permittee shall continue to record and submit all values reported by a North Carolina certified laboratory (including field certified), even if these values fall below 50 µg/L. 3. U = Upstream — 50 feet above the discharge; D = Downstream —100 feet below the discharge. Conditions: • All samples must be taken from a typical discharge event. • There shall be no discharge of floating solids or foam in other than trace amounts. Page 4 of 8 NPDES Permit NC0035149 A. (3.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15 NCAC 02B .0400 et seq., 02B .0500 et seq.] Grade WW-2 Water Pollution Control System [15A NCAC 08G.0302] Beginning on the effective date of this permit and lasting until expansion above 0.020 MGD or permit expiration, the Permittee is authorized to discharge from Outfall 001. Such discharges shall be limited, monitored, and reportedi by the Permittee as specified below: PARAMETER [Parameter Codes] EFFLUENT LIMITATIONS MONITORING REQUIREMENTS Monthly Average Daily Maximum Measurement Frequency Sample Type Sample Location Flow 50050 0.120 MGD Continuous Recorder Effluent Temperature 00010 Daily Grab Effluent Total Residual Chlorine2 50060 28 pg/L 2/Week Grab Effluent Dissolved Oxygen 00300 Not < 6.0 mg/L Weekly Grab Effluent Total Suspended Solids C0530 30.0 mg/L 45.0 mg/L Weekly Composite Effluent BOD 5-Day C0310 30.0 mg/L 45.0 mg/L Weekly Composite Effluent pH 00400 Not < 6.0 or > 9.0 s. u. Weekly Grab Effluent Ammonia (NH3 as N) [Apr 1 to Oct 31] C0610 2.0 mg/L 10.0 mg/L Weekly Composite Effluent Ammonia (NH3 as N) [Nov 1 to Mar 31] C0610 3.4 mg/L 17.0 mg/L Weekly Composite Effluent Fecal Coliform (geometric mean) 31616 200 / 100 mL 400 / 100 mL Weekly Grab Effluent Total Nitrogen (NO2+NO3+TKN) C0600 Quarterly Composite Effluent Total Phosphorus C0665 Quarterly Composite Effluent Temperature 00100 Weekly Grab U & D 3 Dissolved Oxygen 00300 Weekly Grab Effluent Turbidity 00070 Weekly Grab Effluent Footnotes: 1. The Permittee shall submit discharge Monitoring Reports electronically using the Division's eDMR submittal system [see A. (4.)]. 2. The Division shall consider all effluent TRC values reported below 50 µg/L to be in compliance with the permit. However, the Permittee shall continue to record and submit all values reported by a North Carolina certified laboratory (including field certified), even if these values fall below 50 µg/L. 3. U = Upstream — 50 feet above the discharge; D = Downstream —100 feet below the discharge. Conditions: • All samples must be taken from a typical discharge event. • There shall be no discharge of floating solids or foam in other than trace amounts. Page 5 of 8