Loading...
HomeMy WebLinkAboutNC0065986_wasteload allocation_19910612Refer : Basinwide / Streamline WLA File Completed By Permits & Engineering At Front Of Subbasin PERMIT NO.: NCO065986 NPDES WASTE LOAD ALLOCATION PERMITTEE NAME. Mr. Donald Bruce Briggs / Dogwood Trails Facility Status: Existing pio2Aj rT" Permit Status: Renewal Major Minor Pipe No.: 001 Design Capacity: 0.02 MGD Domestic (% of Flow): 100 % Industrial (% of Flow): Comments: The facility has not been built, to date RECEIVING STREAM: Evans Branch Class: C-Trout Sub -Basin: 04-03-05 Reference USGS Quad: Dellwood< NC (please attach) County: Haywood Regional Office: Asheville Regional Office Previous Exp. Date: 10/31/91 Treatment Plant Class: II Classification changes within three miles: Requested by: Angela Y. Griffin Date: 4/29/91 Prepared by: c. %' Date: /Vy/ Reviewed by: Date: / gof I s" G Modeler Date Rec. # ° o za Drainage Area (mil) k 0 y Avg. Streamflow (cfs): 7Q10 (cfs) 0, t Winter 7Q10 (cfs) 30Q2 (cfs) Toxicity Limits: IWC % Acute/Chronic Instream Monitoring: C iA Parameters Upstream V Location Gvv Downstream_ } Location, Effluent Characteristics Summer Winter BOD5 (mom) NH3-N (mg/1) D.O. (mg/1) 4 f TSS (mg/1) 3© F. Col. (/100 nil) pH (SU) ,y , 0, S"°G ( 0, 6,c) , , eC d6 °c ti. IL -I- FACT SHEET FOR WAST LOAD ALLOCATIONS Rejest # 6223 Facility Name :DOGWOOD TRAILS NPDES No. :NC0065986 Type of Waste :100% DOMESTIC Facility Status :EXISTING Permit Status :RENEWAL Receiving Stream :EVANS BRANCH Stream Classification:C-TROUT Subbasin :040305 County :HAYWOOD Regional Office :ARO Requestor :GRIFFIN Date of Request :4/30/91 Topo Quad :E6SE jUN 6 1991 PERMITS & ENGINEERING Stream Characteristics: USGS# Est.0345869070 Date 5/86 Drainage Area: 1.07 sq.mi. Summer 7Q10: 0.4 cfs Winter 7Q10} 0.5 cfs Average Flow; 2.4-8-afs 30Q2: cfs Wasteload Allocation Summary (approach taken, correspondence with region, EPA, etc.) FACILITY REQUESTS THE RENEWAL OF EXISTING PERMIT. FACILITY SHOULD BE CHOICE OF EXISTING LIMITS WITH TOX TEST OR NH3 CHOICE LIMITS. FACILITY NOT BUILT AS OF YET. *FACILITY HAS EXISTING CHLORINE LIMIT OF .028 MG/L, WILL RECIMMEND RENEWAL OF THAT LIMIT. Special Scheduled Requirements and additional comments from Reviewers: Recommended by: / Date: 5/17/91 Reviewed by n Instream Assessment: Regional S pOr: Permits & Eng neeri RETURN TO TECHNICAL SERVICES BY: J UN 18 1991 Date: Date: 32 ) Date: R E C VE I V E D Water Quality Section MAY ? 9 1g91 Asheville Regional offict Asheville, North Carolina Existing Limits Wasteflow (MGD): BOD5 (mg/1): NH3N (mg/1) : DO (mg/1): TSS (mg/1) : Fecal Coliform (/100 ml): PH (SU) : Tot.Res. Chlorine (mg/1): TP (mg/1) : TN (mg/1): Toxicity: Recommended Limits -2 - CONVENTIONAL PARAMETERS Monthly Average Summer/Winter 0.020 30 NR NR 30 1000 6-9 0.028 Daily Maximum Existing Limits NH3 Choice Limits w/ Tox Test Summer/Winter Wasteflow (MGD): 0.020 0.020 / 0.020 BODS (mg/1) : 30 30 / 30 NH3N (mg/1): nr 11 / 27 DO (mg/1) : nr NR / NR TSS (mg/1): 30 30 / 30 Fecal Coliform (/100 ml): 200 200 / 200 PH (SU): 6-9 6-9 / 6-9 Tot.Res. Chlorine (ug/1): 28 28 / 28 Temperature ( C): Narrative** TN (mg/1): Toxicity: CHRONIC/CERIO/QRTRLY @ 7% N INSTREAM MONITORING REQUIREMENTS:TEMPERATURE Upstream: Y Location: 100 FT. UPSTREAM OF DISCHARGE Downstream: Y Location: 300 FT. DOWNSTREAM OF DISCHARGE Limits Changes Due To: Instream Data Ammonia Toxicity Chlorine Nutrient Sensitive Waters HQW New 7Q10 flow data Special Modeling Studies New facility information Parameter s Affected NH3 Other **THE TEMPERATURE SHALL NOT BE INCREASED BY MORE THAN 0.56C (0.9'F) DUE TO THE DISHCARGE OF HEATED LIQUIDS, BUT IN NO CASE TO EXCEED 20'C (680F) . FECAL COLIFORM LIMIT CHANGED DUE TO NEW WQ STANDARD. (explanation of any modifications to past modeling analysis including new flows, rates, field data, interacting discharges, etc.) j Zo ' i f. ST W , d 3 / = o 74 dogwood trails AMMONIA ANALYSIS 7Q10: 0.4000 cfs NH3 Effl. Conc: 0.0000 mg/1 AL (1/1.8 mg/1): 1000.00 ug/1 Upstream NH3 Conc.: 220.0000 ug/l Design Flow: 0.0200 MGD Predicted NH3 Downstream: 204.18 ug/l 0.204176 mg/l NH3 Limit: 11064.51 ug/l 11.06451 mg/1 AMMONIA ANALYSIS 7Q10: 0.5000 cfs NH3 Effl. Conc: 0.0000 mg/l AL (1/1.8 mg/1) : 1800.00 ug/l Upstream NH3 Conc.: 220.0000 ug/l Design Flow: 0.0200 MGD Predicted NH3 Downstream: 207.16 ug/1 0.207156 mg/1 NH3 Limit: 27283.87 ug/l 27.28387 mg/1 (WINTER) dogwood trails CHLORINE 7Q10: 0.4000 CL2 Effl. Conc: 0.0000 AL (17/19 ug/1): 19.0000 Upstream CL2 Conc.: 0.0000 Design Flow: 0.0200 Predicted CL2 Downstream: 0.00 0 CL2 Limit: 264.1612 0.264161 ANALYSIS cfs mg/l ug/l ug/1 MGD ug/1 mg/1 ug/1 mg/1