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HomeMy WebLinkAboutNC0065480_Wasteload Allocation_19910419NPDES DOCIMENT MANNIN` COVER SHEET NC0065480 Beau Rivage WWTP NPDES Permit: Document Type: Permit Issuance (Vaste1oad Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Staff Report Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Permit History Document Date: April 19, 1991 This document isec printed on reuse paper - igpriore any content on the resrerse side pec e-#i (/i/,) ,5y-aJ NPDES WASTE LOAD ALLOCATION PERMIT NO.: NC0065480 PERMI I-IEE NAME: Beau Rivage Plantation / Beau Rivage Facility Status: Existing Permit Status: Renewal VESI Da,/, Major Minor Pipe No.: 001 Design Capacity: 0.500 MGD Domestic (% of Flow): 100 % Industrial (% of Flow): 0 Comments: Refer : Basinwide / Streamline WLA File Completed By Permits & Engineering At Front Of Subbasin RECEIVING STREAM: Cape Fear River Class: SC Sub -Basin: 03-06-17 Reference USGS Quad: K 27 SW (please attach) County: New Hanover Regional Office: Wilmington Regional Office Previous Exp. Date: 10/31/91 Treatment Plant Class: II Classification changes within three miles: Requested by: Angela Y. Griffin Prepared by: �p Reviewed by: I��Y/ � � SG0 Ji A Date: 3/1/91 Date: ' / 9 Date: g Modeler Date Rec. # EA3 3(•-/k1 (al7-0 Drainage Area (mil ) Y1.17A- ' Avg. Streamflow (cfs): 7Q10 (cfs) Winter 7Q10 (cfs) 30Q2 (cfs) Toxicity Limits: IWC % Acute/Chronic Instream Monitoring: Parameters Upstream Location Downstream Location Effluent Characteristics BOBS (mg/1) 30 NH3-N (mg/1) w.ew;.-6.- D.O. (mg/1) TSS (mg/1) 3 0 F. Col. (/100 ml) a d o pH (SU) rp om.s t < I woo n i"6-) r !v (w ) h.On,'EDr Comments: �o6,ci /35 .. f`� ea. l.4 075,, _S?_elLv..S.ocWl.e.t\l.- Rol e.r 7010 = 7(/D t@i0 &-AJ 3/ii/ 91 63 -DC -l7 Q'1 (L 6-L--42 /S .L�-��HG4.�4sit I Vl iJiCc W�'1 1 1 4952 •� / Q'v' Ptow 56 ill 6�r a&Ds 1 5 eC.I ? U 3= /C Request No. 6120 FACT SHEET FOR WASTELOAD ALLOCATIONS Facility Name :Beau Rivage Plantation NPDES No. :NC0065480 Type of Waste :Domestic Facility Status :Existing Permit Status :Renewal Receiving Stream :Cape Fear River Stream Classification:SC Subbasin :03-06-17 County Regional Office Requestor Date of Request Topo Quad :New Hanover :Wilmington :Angela Griffin :3/7/91 :K27SW Wasteload Allocation Summary: APR •1 rG?t1',iTti 1991 RECEIVED MAR 18 1991 Wilmington Regional Office hi'1R Stream Characteristics: USGS #0 Date Drainage Area: T dAI sq.mi. Summer 7Q10: MW cfs Winter 7Q10: cfs Average Flow: cfs 30Q2: cfs Facility meets existing limits. Renew with existing limits. Though dilution is high, the fecal coliform limit is recommended due to the tidal nature of the river and the number of discharges. Chlorine and nutrient levels are high. (approach taken, correspondence with region, EPA, etc.) WASTELOAD SENT TO EPA?(Major)_N (Y or N) (if yes, then attach schematic, toxics spreadsheet, copy of model, or if not modeled, then old assumptions that were made, and description of how fits into basinwide plan) Recommended by: Reviewed by Instream Assessment: Regional Supervisor Permits & Engineering: 13, Date: Date: 3(1(f eI Date: z1//6/9/ `(',/1.7/; Date: RETURN TO TECHNICAL SERVICES BY: APR I 0 1991 •� _ , ••► •• is L -2- Request No. 6120 Existing Limits Wasteflow (MGD) : BOD5 (mg/1) : NH3N (mg/1) : DO (mg/1): TSS (mg/1) : Fecal Coliform (/100 ml) : pH (SU) : Chlorine (mg/1): TP (mg/1) : TN (mg/1) : Recommended Limits Wasteflow (MGD) : BOD5 (mg/1) : NH3N (mg/1) : DO (mg/l) : TSS (mg/1) : Fecal Coliform (/100 pH (SU) : Chlorine (mg/1): TP (mg/1) : TN (mg/1) : CONVENTIONAL PARAMETERS Monthly Average Summer/Winter .�5 30 30 1000 6-9 monitor monitor Monthly Average Summer/Winter .45 30 30 ml) : 200 6-9 monitor monitor Daily Maximum Limits Chanaes Due To: Parameter(s) Affected Instream Data Ammonia Toxicity Chlorine New facility information Flow information INSTREAM MONITORING REQUIRMENTS: Upstream: no Location: Donwstream: no Location: ADDITIONAL "REVIEWER" COMMENTS: