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HomeMy WebLinkAboutNC0030848_Wasteload Allocation_19920103NPDES DOCUIIENT SCANNING COVER SHEET NPDES Permit: NC0030848 Jefferson Apparel WWTP Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Correspondence Owner Name Change Staff Report Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Document Date: January 3, 1992 This document is printed on reuse paper - ignore arty content on the resrerse !aide NPDES WASTE LOAD ALLOCATION PERMIT NO.: NC0030848 PERMI I'1'k.E NAME: Jefferson Apparel Company FACILITY NAME: Jefferson Apparel Company Facility Status: Existing Permit Status: Renewal Major Minor Pipe No.: 001 Design Capacity: 0.008 MGD Domestic (% of Flow): 100 Industrial (% of Flow): 0 % Comments: RECEIVING STREAM: Dog Creek Class: C-Trout Sub -Basin: 05-07-01 Reference USGS Quad: B 13NW County: Ashe Regional Office: Winston-Salem Regional Office (please attach) Previous Exp. Date: 7/31/92 Treatment Plant Class: II Classification changes within three miles: Changes to WS-III,HOW at South Fork New River. Requested by: Randy Kepler Date: 11/6/91 Prepared by: jyzi./` Reviewed by: ��w4 Date: / Date: 1 /9 Z /� ��• * W� 60P4 Z Modeler Date Rec. # .SM/J l (1141( (050 q Drainage Area (mi2 ) . Avg. Streamflow (cfs): 0. 7 7Q10 (cfs) O. /5Winter 7Q10 (cfs) 30Q2 (cfs) 0.. Toxicity Limits: IWC % Acute/Chronic Instream Monitoring: �,I,, Parameters ��1'j% Y ks ,`-- Upstream Lj CYG[,4 Location 50'vSfi-u,,si J" ez, t/f Downstream ny ela t- Location SU Virt✓lairckrr e f M k %I Co Effluent Characteristics Summer Winter BOD5 (mg/1) 3 o 30 NH3-N (mg/1) /D 2 '% D.O. (mg/1) TSS (mg/1) 5C 3d F. Col. (/100 ml) 2CO ZOO pH (SU) 6 - 9 6 - 9 eA/n'lrie f 0 a i ' r etc) owl/WY, 1J te-iv` r ka d t vtof weed o °G , aw d 3iitol nuI Inewae-e i n u,i(A. kit ntp-eua. ,•-e 12Ael ,m.o K.e y. ,-", nments: _ 2. b r fl Facility Name: NPDES No.: Type of Waste: Facility Status: Permit Status: Receiving Stream: Stream Classification: Subbasin: County: Regional Office: Requestor: Date of Request: Topo Quad: FACT SHEET FOR WASTELOAD ALLOCATION Jefferson Appare Company NC0030848 9 i C. Domestic - 100% Existing Renewal Dog Creek C-Trout 050701 Ashe Winston-Salem Kepler 11/6/91 B13NW Request # 6569 • Stream Characteristic: USGS # Date: Drainage Area (mi2): Summer 7Q10 (cfs): Winter 7Q10 (cfs): Average Flow (cfs): 30Q2 (cfs): IWC (%): RECEIVED N.C. Dept. NRCD DEC 0 6 1991 Winston-Salem Regional Office 03.1610.5206 1987 0.39 0.15 0.2 0.7 0.3 7.6 Wasteload Allocation Summary (approach taken, correspondence with region, EPA, etc.) Facility should choose between new NH3 limits or a toxicity test. Fecal limit changed to 200/100 ml. A narrative limit for temperature should be added to the permits page. Special Schedule Requirements and additional comments from Reviewers: Recommended by: � t Date: Reviewed by Instream Assessment: Regional Supervisor: Permits & Engineering: Date: dan-6--;LA40114,0-9,_ RETURN TO TECHNICAL SERVICES BY: Date: Date: Existing Limits: Wasteflow (MGD): BOD5 (mg/1): NH3N (mg/1): DO (mg/1): TSS (mg/1): Fecal Col. (/100 ml): pH (SU): Residual Chlorine (14/1): Oil & Grease (mg/1): TP (mg/I): TN (mg/1): Recommended Limits: Wasteflow (MGD): BOD5 (mg/1): NH3N (mg/1): DO (mg/1): TSS (mg/1): Fecal Col. (/100 ml): pH (SU): Residual Chlorine (µg/1): Temperature (°C)*: TP (mg/1): TN (mg/1): Toxicity test (P/F): *Effluent temperature shall n than 0.5°C. 2 CONVENTIONAL PARAMETERS Monthly Average 0.008 30.0 monitor 30.0 1000.0 6-9 26.0 Monthly Average/ with Toxicity Test Summer Winter 0.008 0r008 30.0 . ik0.0 monitor / monitor Monthly Average with Ammonia Limit Summer Winter WQ or EL 0.008 0.008 30.0 30.0 WQ 10.0 27.0 WQ 30.0 /\ 30.0 30.0 30.0 WQ 200.0 / ' \ 200.0 200.0 200.0 WQ 6-9 ' 6-9 6-9 6-9 WQ 28.0/ 28.0 28.0 28.0 WQ monitor monitor monitor monitor ( 8%(Ckvon c of exceed 20°C, and shall not increase instream temperatures by more Limits Changes Due To: Change in 7Q10 data Change in stream classification Relocation of discharge Change in wasteflow Other (onsite toxicity study, interaction, etc.) Instream data New regulations/standards/procedures x Chlorine, fecal, NH3 New facility information x Parameter(s) are water quality limited. For some parameters, the available load capacity of the immediate receiving water will be consumed. This may affect future water quality based effluent limitations for additional dischargers within this portion of the watershed. Parameter(s) Affected OR No parameters are water quality limited, but this discharge may affect future allocations. 3 INSTREAM MONITORING REQUIREMENTS Upstream Location: V - Cub() 0\e 0Ui" J Downstream Location: �t) be )o& DU °�I Parameters: Time mp raJvi Special instream monitoring locations or monitoring frequencies: MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS Adequacy of Existing Treatment Has the facility demonstrated the ability to meet the proposed new limits with existing treatment facilities? Yes \( No If no, which parameters cannot be met? Would a "phasing in" of the new limits be appropriate? Yes No If yes, please provide a schedule (and basis for that schedule) with the regional office recommendations: If no, why not? Special Instructions or Conditions Wasteload sent to EPA? (Major) (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 it fits into basinwide plan) Additional Information attached? (Y or N) If yes, explain with attachments. JEFFERSON APPAREL CO. - Allowable Waste Concentrations BO SUMMER Residual ChlorineMAmmonia as NH3 7010 (CFS) 0.15 7Q10 (FS 0.15 DESIGN FLOW (MGD) 0.008 :} DESIGN FLOW (MGD) 0.008 DESIGN FLOW (CFS) 0.0124 xf DESIGN FLOW (CFS) 0.0124 STREAM STD (UG/L) 17.0 ` STREAM STD (MG/L)1.0 UPS BACKGROUND LEVEL (UG/L) 0 <fi UPS BACKGROUND LEVEL (MG/L) 0.22 IWC (%) I IWC (%)7.635468 7.635468 �;�¢��'��, Allowable Concentration (ug/I) 222.64516xf•Allowable Concentration (mg/I) 10.43548 om � �j it WINTER `` YtAmmonia as NH3 't11y{ham 7010 (CFS) ^'{`' 0.2_ ka. DESIGN FLOW (MGD) 0.008 :. . DESIGN FLOW CFS 0.0124 STREAM STD (MG/L) 1.8 UPS BACKGROUND LEVEL (MG/L) 0.22 •}}: }}}1 Y.IWC % ,1:1: 5.838041 ia Allowable Concentration (mg/I) 27.28387 NC0030848 DAG 11/27/91 ' Fgreft/71rma C'. aee,e D5?7/ ---/k15 (C. a ,/,A,/,PII ,erc/h/7 sh/d7 -%/Le .7.4/ /rq//- $4?. f /i G Gtic Gr �t �l� . r.�/ Cm/. aier�% c442-t//1 474-e,ze„ey// (no71--,o;e0// e-t/.71.5:-) - COfr / /jai ' G(///- ken o fr q.iV4c;lzted- 7#65t1 4,frowe71/ /r1Si'ai' MfilAi/Mry /5 ref l/!� `/izv ' /.cr-G .Ak;n ciw e 3.4/e. 5' €)6(/911) ; C. 0.7 < < r �� 1/ • ‘641 h/coo 3a8Lfre - Tau+ tAlciims) joekse4 pop_ awRio -. 00F itic10 Of oSo7o l JcproRsea 4rMZ t., Cc 57ta0.15 °,s W-mio i 0.. v c Ra- m C. c. t\J T