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HomeMy WebLinkAboutNC0020478_Wasteload Allocation_19900518Request No.: 5623 ------------------- WASTELOAD ALLOCATION APPROVAL FORM ------ P-1zC-El -ES) water Quality sediOn Facility Name: NPDES No.: Type of Waste: Status: Receiving Stream: Classification: Subbasin: County: Regional Office: Requestor: Date of Request: Quad: USDAFS/LAKE POWHATAN REC. AREA NCO020478 100% DOMESTIC EXISTING BENT CREEK C 040302 Drainage area: T "cz4o,6eSummer 7Q10: ARO Winter 7Q10: HARRIS Average flow: 3/14/90 30Q2: F8NE MAY 10 191910 ,Asheville Regional Office 5.80�Oe, Nq mlarolina 2.30 cfs 3.00 cfs 7.50 cfs cfs -------------------- RECOMMENDED EFFLUENT LIMITS -------------------------- Wasteflow (mgd) : 0.02 BOD5 (mg/1) : 30 NH3N (mg/1) : NR DO (mg/1) : NR TSS (mg/1) : 30 Fecal coliform (#/100ml) : NR :� QaJzD -PH (-su) 6-9 ,s. Toxicity Testing Req.: N � � N ---------------------------- MONITORING ------------------------------------- Upstream (Y/N) : N Location:�ti� Downstream (Y/N) : N Location: MAY `j )9C) ----------------------------- COMMENTS -------------------------------------- TECHNICAL SUPPORT RECOMMENDS THE RENEWAL OF EXISTING LfRi7f8 r ?I!tip, ---------------------------- 0 -------------------------------------------- Recommended by: �ac- �, Date: y/yam Reviewed by Tech Support Supervisor: 3A4� Regional S sor: Permits & En ineering: RETURN TO TECHNICAL SERVICES BY.. JUN 0 5 1990 Date: Date: / Date: 4a A ;- Ce� Im 0Y°3°v s'A7'2 i 9/ d' 7 — LAKE POWHATAN REC. AREA AMMONIA 7Q10: 2.3000 NH3 Effl. Conq: 6.4000 AL (1/1.8 mg/1) : 1000.00 Upstream NH3 Conc.: 22.0000 Design Flow: 0.0200 Predicted NH3 Downstream: 106.82 0.106821 NH3 Limit: 73561.29 73.56129 ANALYSIS cfs mg/l ug/l ug/l MGD ug/l mg/l ug/l mg/l LAKE POWHATAN REC. AREA CHLORINE 7Q10: 2.3000 CL2 Effl. Conc: 0.8000 AL (17/19 ug/1) : 17.0000 Upstream CL2 Conc.: 0.0000 Design Flow: 0.0200 Predicted CL2 Downstream: 10.64 0.010639 CL2 Limit: 1278.290 1.278290 ANALYSIS cfs mg/l ug/l ug/l MGD ug/l mg/l ug/l mg/l k Date March 26, 1990 NPDES STAFF REPORT AND RECOMMENDATIONS County: Buncombe NPDES Permit No.NCO020478 PART I - GENERAL INFORMATION 1. Facility and Address: Mailing: o - ,, 7:. USDA Forest Service Lake Powhatan Recreation Area 12 Miles SW of Asheville Buncombe County P.O. Box 8 Pisgah Forest, N.C. 28768 2. Date of Investigation: July 19, 1989 3. Report Prepared By: Max L. Haner 4. Persons Contacted and Telephone Number: 5. Directions to Site: The existing facility is located adjacent to Forest Route 479-2, approximately 2 miles west of its intersection with the NC Hwy 191 access road to Blue Ridge Pkwy, southwest of Asheville, Buncombe County. 6. Discharge Point - Latitude: 35 28 58 North Longitude: 82 37 21 West Attached a USGS Map Extract and indicate treatment plant site and discharge point on map. USGS Quad No. or USGS Quad Name Skyland, N.C. 7. Size (land available for expansion and upgrading): Adequate 8. Topography (relationship to flood plain included): Not in Flood Plain, Downstream of Lake Powhatan Dam. 9. Location of nearest dwelling: N/A 10. Receiving stream or affected surface waters: Bent Creek a. Classifications: "C" b. River Basin and Subbasin No. 04-03-02 C. Describe receiving stream features and pertinent downstream uses: Wildlife and Recreation (fishing) PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS 1. Type of wastewater: 100 % Domestic % Industrial a. Volume of Wastewater: 0.020 MGD b. Types and quantities of industrial wastewater: N/A C. Prevalent toxic constituents in wastewater: d. Pretreatment Program (POTWs only) in development _ approved should be required not needed 2. Production rates (industrial discharges only) in pounds a. highest month in the last 12 months b. highest year in last 5 years 3. Description of industrial process (for industries only) and applicable CFR Part and Subpart: 4. Type of treatment (specify whether proposed or existing): It is proposed to continue the operation of the existing dual unit (15,000 gpd & 5,000 gpd) extended aeration type wastewater treatment system with polishing pond, and effluent chlorination (when necessary) with discharge to Bent Creek. 5. Sludge handling and disposal scheme: Sludge is removed by contract hauler. The City of Brevard is accepting sludges. 6. Treatment plant classification: Class I 7. SIC Code(s) 4952 Wastewater Code(s) 13 PART III - OTHER PERTINENT INFORMATION 1. Is this facility being constructed with Construction Grants Funds (municipals only)? No 2. Special monitoring requests: 3. Additional effluent limits requests: 4. Other: PART IV - EVALUATION AND RECOMMENDATIONS The USDA Forest service has requested renewal of NPDES Permit No. NC0020478 for the continued operation of the wastewater treatment facility serving the Lake Powhatan Recreation Area. Past operation of the facility has been satisfactory. It is recommended that the permit be renewed and public notice issued. :z Z4-,�4� Signature of Report Preparer W ter (Duality Regional Superviso