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Home My WebLink AboutNC0020451_wasteload allocation_19940203NPDES DOCYNENT SCANNING COVER :iNLrET NPDES Permit: NC0020451 West Jefferson WWTP Document Type: Permit Issuance . ,. w"�Alvd,ilaa Wasteload Allocation Authorization to Construct (AtC) Permit Modification Speculative Limits Correspondence Re: Instream Assessment (67B) Environmental Assessment (EA) Permit History Document Date: February 3, 1994 Thia document is printed on reuse paper - ignore any content on the reverse side NPDES WASTE LOAD ALLOCATION PERMTr NO.: NCO020451 PERN91 TEE NAME: Town of West Jefferson FACILITY NAME: West Jefferson Wastewater Treatment Facility Facility Status: Existing Permit Status: Renewal Major Pipe No. 11 Minor J Design Capacity: 0.369 MGD Domestic (% of Flow): 90 % Industrial (% of Flow): 10 % Comments: RECEIVING STREAM: au unnamed tributary to Little Buffalo Creek C-Trout Sub -Basin: 05-07-02 Reference USGS Quad: B 13NW (please attach) County: Ashe Regional Office: Winston-Salem Regional Office Previous Exp. Date: 5/31/94 Treatment Plant Class: Class III Classification changes within three miles: Requested Prepared by, Reviewed y: �— Charles Alvarez Date: 10/25/93 Date: 2 r 9 Date: a _ c! Modeler Date Rec. I # J n/ folzo 43 1 76 Wn Drainage Area (mil ) z / Avg. Streamflow (cfs): 3.4 7Q10 (cfs) 0. 6 Winter 7QI0 (cfs) 0, 4 30Q2 (cfs) 4 z Toxicity Limits: IWC fs- % Acu hronic Instream Monitoring: Parameters Upstream Y Location Downstream Y Location Effluent Characteristics Summer Winter BOD5 (m ) 30 (W NH3-N (mg/1) rwm;4� D.O. (mg/1) S (cJQ) TSS (mg/1) 3o F. Col. (/100 ml) Za u pH (SU) 6 - 9 i/ LLAA Cu ( 6/ o, 0as II - _ .. � � ___ - _' _ = �. - ;may••. / �� 1` '. /�-. ^•��`. •-_�'1 . � N -\ \ .. j 9 _ - 1.•� .: ' /S / .'� _ �`` _ — „s cam. —_ —_— ------ - - � `l•-;� � _-_ I_ ice_--- - _ - �...- •c % '�� r,r _ "-=i aa7�• ---—=�'=7`01ALN�OF WEST JEFfRSAN WWT�=^' • - ' . • �, i DSCMAR LOIQN� ... West I //` i, I,� !:;effersery . •• ".. " w j dfe2'sOn ; I J•�j, i� i L • l ii ,- ook.�t ole4ec 1_� �''•:`:� f� '% ;'3 .'r '`�- ! 4 �'l ' O` T 'I'�E�F I fi�C r• J. ;. 2'• ' =�� __ - ra*`� I tl �„`_• _ J' _` ..:,` ` —. ' _ _ r 1 _J• �It _ -1 •�—I_—_Y��/--_—_��J� ��_��—y_� �rT eras �� . - 1 f'!}�� Wit• \�'/ ` \ ` � — �- a _ / - ( _ `/ \\J/ —. ��• \ :: /'' _ ✓/%// r ;' _—PCs. -. � ..:. Leo r - 30' k, Chiou olr• _ �'i/ - '�r \ !^U� ,- -. � �� n; f; ;'� % ,� ' .� fir. � nr /'1 - \ �;' • . � .�,� �• • / �� ! /� ass=r�_J �\ J •\ _ tiJ `. � _�• ` ' � `� '•1'•—�."__- F-5;�� _ �• -_• _-_ _ � i ---- J _�._. _- • Nei, � _ � n \f t .i-fferson2. 5t ,c�..F •Bearer Creek:• ,`_ _: �►a_- `. c °5e =7C OOO FE-e ,gi = - - _ - 2"3G' �::?:�. e:iileC' 8^C publ'shed by t \.;- giCSI SU'VeV o Dy USGS and US&GS r.,.. ._..1e..... r.;_r_--- - a?•,2t ir�C?vE'zDrs •'V•Ot'C - 6C VO.N,MARs 3C 5r as?t•.'n No,-. ._-.��•„ Lj^•v?•Sad .--5.._rs: ?•-_?Cr _ ;ICK.S. 20re 17. TOWN OF WEST JEFFERSON -- asnec ;rnes rnc,catc 5eie:*ed '?••••e and fielC h-es 'Nnere %SHEJ.COUMTY;' NORTH 2CAROURA'0- _ nc,-kec Mrr WLS c 5 MILS -, .. FOR SALE BY A FOLDER D_SCRtBir:.-; SCALE: 1"=2000' _qqqq A. (1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENT'S Final NPDES No. During the period beginning on the effective date of the Permit and lasting until expiration, tTp` Permittee is authorized to discharge from outfall(s) serial number(s) 001. Such discharges shall be limited and monitored by the Permittee as specified below: Effluent Characteristics Discharge Limitations Monitoring Requirements lbs/day Other Units (Specify) Measurement Sample *Sample Monthly Avg. Weekly Avg. Monthly SV)Z. Weekly Avg. Frequency Tie Location - 0.369 MGD Continuous Recording I or E Flow 30.0 mg/l 45.0 mg/l Daily Composite E, I BOD, SDay, 2G Degrees C** 30.0 mg/1 45.0 mg/l Daily Composite E, I Total Suspended Residue** Daily Composite E NH3 as N 5.0 mg/1 5.0 mg/1 Daily Grab E, U, D Dissolved Oxygen (minimum] 1004.41ug ml 2006.6ug/ ml Daily Grab E, U, D Fecal Coliform (geometric mean) 4.4 u¢/1 6.6 ug/1 Daily' Wiz, Grab E Total Residual Chlorine Daily Grab E, U, D Temperature 2/year Composite E Total Nitrogen (NO2 + NO3 + TKN) Composite E Total Phosphorus Quarterly Quarto Composite E Chronic Toxicity * Grab U, D Conductivity 11.1 ug;'1�''**-i' Weekly Grab E Cyanide y Monthly Composite E Cadmium Monthly Composite E Chromium Monthly Composite E Copper Monthly Composite E Nickel Monthly Composite E Lead Monthly Composite E Zinc t Sample locations: E - Eff1bent, I - Influent, U - Upstream 50 feet, I) - Downstream at the mouth of the tributary. Upstream and downstream samples shall be grab samples. Stream samples shall be collected three times per week during June, July, August, and September, and once per week during the remaining months of the year. The monthly average effluent BODS and Total Suspen-led Residue concentrations shall not exceed 15% of the respective influent values (85% removal). *** See Part II1, Condition I; Chronic Toxicity (Ceriodaphnia) P/F at 45%; January, April, July, and October. y Daily Maximum Limitation The pH shall not be less than 6.0 .standard units nor greater than 9.0 standard units and shall be ity Testing Requirement nt discharge shall at no time exhibit chronic toxed icity in any two e toxicity tests, using test procedures oNorth Carolina Cer odaphni_s chronic effluent. bioassay procedure Carolina Chronic Bioassay Proced�.ire - Revised ''PFebrusry 1987) or uent version. effluent concentration at which there may be no observable inhibition the of g is 454 (defined as treatment twoin procedure document). The permit holder shall perform q production or si. nificant mortality liance with the permit orth Carolina p monitoring using this procedure to establish comp s from issuance of condition. The first test will be performed after thir.BRddOctobar. Effluent this permit during the months of�January, April, July, sampling for this testing shall -be performed at the NPDES permitted final treatment processes. effluent discharge below all trea required as part of this permit condition will be for the month in which All toxicity testing results DEM from AT-1. entered on the Effluent Di.schBLameter rcode nTGP3Bm (Additi.onally, it was performed, using the p (original) is to be sent to the following address: Attention: Technical Services Branch L. North Carolina Division of Environmental Management P.O. Box 27687 Raleigh, N.C. 27611 accurate and include all supporting Test data shall be complete and chemical/physical. measurements onseodata.rmed 1ttTotalcresiduaI chlorine°ofcity the tests, as well as all dose/response reported if chlorine is employed effluent toxicity sample must be measured and rep for disinfection of the waste stream. Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly monitoring will begin immediattestely urequirementntil such lwillhrevert single test is passed. Upon passing, this monthly to quarterly in the months specified above. requirement or tests performed by the Should any test data from this monitoring potential impacts be reopened and modified to include North Carolina Division of: Environmental Management indicate to the receiving stream, this permit may alternate monitoring requirements or limits. �opri.ate e.nvi.ronmental NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control. organism survival. and app } controls, shall constitute an invalid test and i ilurell quire to bmitdsgitablete etestg fwithi.n 30 days of initial monitoring event). requirements. results will constitute noncompliance with monitoring RECEIVED N.C. Dept. of EHNR 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 Request # WEST JEFFERSON WWTP NCO020451 90% DOMESTIC / 10 % INDUSTRIAL EXISTING RENEWAL UT LITTLE BUFFALO CREEK C-TR 050702 JAB' 19 1994 Winston-Salem 7640 Regional Office Ashe Stream Characteristic: Winston-Salem USGS # Alvarez Date: 10/28/93 Drainage Area (mi2): 1.8 B 13NW Summer 7Q10 (cfs): 0.6 Winter 7Q10 (cfs): 0.9 Average Flow (cfs): 3.6 30Q2 (cfs): 1.2 IWC (%): 49 Wasteload Allocation Summary (approach taken, correspondence with region, EPA, etc.) Facility requesting renewal of existing NPDES permit @ 0.369 MGD. renewal of existing limits. Net��ifftt� w� t,kttd -{ r Tech Support recommends (4 &t Special Schedule Requirements and additional comments from Reviewers: Recommended b4,*�2+t_—Date: 1/11/94 _ Reviewed by (/ Instream Assessment:Dater Regional Supervisor: afeA4.,6 Z Date: Zo Permits & Engineering: Date: 13l RETURN TO TECHNICAL SERVICES BY: FEB 12 1994 bw toy 1 �t An rM 04'69/�- ?er►. 2 CONVENTIONAL PARAMETERS Existins Limits: Monthly Average Summer Winter Frequency Wasteflow (MGD): 0.369 BOD5 (mg/1): 30 NH3N (mg/1): monitor DO (mg/1): 5 TSS (mg/1): 30 Fecal Col. (/100 ml): 1000 pH (SU): 6-9 Residual Chlorine (µgft 4.4 Temperature (°C): monitor TP (mg/1): monitor 2/yr TN (mg/1): monitor 2/yr Recommended Limits: Monthly Average Summer Winter WQ or EL Frequency Wasteflow (MGD): 0.369 BOD5 (mg/1): 30 WQ NH3N (mg/1): monitor DO (mg/1): 5 WQ TSS (mg/1): 30 WQ Fecal Col. 000 ml): 200 pH (SU): 6-9 Residual Chlorine (µg/1): 4.4 Temperature (°C): monitor TP (mg/1): monitor 2/yr TN (mg/1): monitor 2/yr Limits Changes Due To: Parameter(s) Affected 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 Fecal Coliform New facility information (explanation of any modifications to past modeling analysis including new flows, rates, field data, interacting discharges) (See page 4 for miscellaneous and special conditions, if applicable) Type of Toxicity Test: Existing Limit: Recommended Limit: Monitoring Schedule: Existing_ Limits Cyanide (ug/1): Cadmium (ug/1): Chromium (ug/1): Copper (ug/1): Nickel (ug/1): Lead (ug/1): Zinc (ug/1): Recommended Limits Cyanide (ug/1): Cadmium (ug/1): Chromium (ug/1): Copper (ug/1): Nickel (ug/1): Lead (ug/1): Zinc (ug/1): Mercury (ug/1): TOMCS/M ETALS Chronic Ceriodaphnia Qrtrly 45% 49%45%a JAN APR JUL OCT Daily Max. '11.1 monitor monitor monitor monitor monitor monitor Daily Max. 11 0.8 102 monitor 180 51 monitor 0.025 Limits Changes Due To: Change in 7Q10 data Change in stream classification Relocation of discharge Updated DMR data New pretreatment information Failing toxicity test Other (onsite toxicity study, interaction, etc.) WQ or EL WQ . WQ WQ weekly WQ WQ weekly WQ Paramet s) Affected Cd,Cr,Ni,Pb,Hg Cd,Cr,Ni,Pb,Hg _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. No parameters are water quality limited, but this discharge may affect future allocations. INSTREAM MONITORING REQUIREMENTS Upstream Location: 50 ft upstream of discharge Downstream Location: @ the mouth of the tributary Parameters: Temperature, DO, Fecal Coliform, Conductivity Special instream monitoring locations or monitoring frequencies: MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS AAd quacy 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? Wasteload sent to EPA? (Major) _ (Y or N) (If yes, then attach updated evaluation of facility, including toxics spreadsheet, modeling analysis if modeled at renewal, and description of how it fits into basinwide plan) Additional Information attached? (Y or N) If yes, explain with attachments. 0 ern more m V o �� Facility Name WEST JEFFERSON WWTP Permit # NCO020451 _ Pipe # 001 _ CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY) The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in: 1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic Bioassay Procedure - Revised *September 1989)-or subsequent versions. The effluent concentration at which there may be no observable inhibition of reproduction or significant mortality is *-45% (defined as treatment two in the North Carolina procedure document). The permit holder shall perform quarter monitoring using this procedure to establish compliance with the permit condition. The first test will be performed after thirty days from the effective date of this permit during the months of _JAN APR JUL OCT . Effluent sampling for this testing shall be performed at the NPDES permitted final effluent discharge below all treatment processes. All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter code TGP3B. Additionally, DEM Form AT-1 (original) is to be sent to the following address: Attention: Environmental Sciences Branch North Carolina Division of Environmental Management 4401 Reedy Creek Road Raleigh, N.C. 27607 Test data shall be complete and accurate and include all supporting chemical/physical measurements performed in association with the toxicity tests, as well as all dose/response data. Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for disinfection of the waste stream. Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly monitoring will begin immediately until such time that a single. test is passed. Upon passing, this monthly test requirement will revert to quarterly in the months specified above. Should any test data from this monitoring requirement or tests performed by the North Carolina Division of Environmental Management indicate potential impacts to the receiving stream, this permit may be re -opened and modified to include alternate monitoring requirements or limits. NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism survival and appropriate environmental controls, shall constitute an invalid test and will require immediate retesting(within 30 days of initial monitoring event). Failure to submit suitable test results will constitute noncompliance with monitoring requirements. 7Q10 0.6 cfs 6 V-V Kb._, Wk'si", 00tz&a) 6 0d lee V� Permitted Flow 0.369 _ MGD ommended by: 1WC 49 % Basin & Sub -basin NEW02 Receiving Stream UT Little Buffalo Creek— County Ashe Date 1/5/94 QCL P/F Version 9191 OSa 7oz-ZLYo 24 /9 9z. �i !Sobs'= 3d a G-9 ed - 0.8I/e /csZ-uj o V- �S __-_ lam/✓ $ //✓ R .0ZS�f/P b 71 WEST JEFFERSON WWTP Residual Chlorine Ammonia as NH3 (summer) 7Q10 (CFS) 0.6 7010 (CFS) 0.6 DESIGN FLOW (MGD) 0.369 DESIGN FLOW (MGD) 0.369 DESIGN FLOW (CFS) 0.57195 DESIGN FLOW (CFS) 0.57195 STREAM STD (UG/L) 17.0 STREAM STD (MG/L) 1.0 UPS BACKGROUND LEVEL (UG/L) 0 UPS BACKGROUND LEVEL (MG/L) 0.22 IWC (%) 48.80 IWC (%) 48.80 Allowable Concentration (ug/1) 34.83 Allowable Concentration (mg/1) 1.82 Ammonia as NH3 (winter) 7Q10 (CFS) 0.9 Fecal Limit 200/100m1 DESIGN FLOW (MGD) 0.369 Ratio of 1.0 :1 DESIGN FLOW (CFS) 0.57195. STREAM STD (MG/L) 1.8 UPS BACKGROUND LEVEL (MG/L) 0.22 IWC (%) 38.86 Allowable Concentration (mg/1) 4.29 NC0020451 1 /1 /94 10H s 10H01/06/94 ver3.1 T 0 X I C S REVIEW Facility; WEST JEFFERSON WWTP NPDES Permit No,: NC0020451 Status (E, P, or H); E Permitted Flow; 0,4 mgd Actual Average Flow: 0,.3 -mgd Subbasin: 1050702 Receiving Stream: UT LTL BIJFFALO CRK I------ --PRETREATMENT DATA--------------I----EFLLUENT DATA---- { Stream Classification: C-TR { ACTUAL PERMITTEDI { 1Q10: 0,6 cfS { Ind. + Ind, + I FREQUENCY IWC: 4.8,60 { Domestic PERMITTED Domestic I OBSERVED of Chronic) Stn'd / Bkg I Removal Domestic Act.Ind, Total Industrial Total I Effluent Criteria I Pollutant AL Conc, I Eff, Load Load Load Load Load I Conc. Violations) (ug/1) (a9/1) I % ($/d) (#/d) (1/d) (#/d) (#/d) I (ug/1) Ovio/gsam)I --------- ------------------ I -------- ---- - ------------------------------------ I -------- --------- Cadmium 'S 0,4 I 92% 010 0,0 0,01 0,0 0,015 I 10,0 Chromium S 5010 I 76% 010 0,0 0.04 015 0,539 i 50.0 i 1 Copper AL - 7,0 i 82% 0,2 0,0 0,24 011 0,347 I 29.0 I N Nickel S 8810 I 32% 011 0,0 0.08 0,2 0,299 { 67,0 I P Lead S 25,0 I 81% D,0 010 0,03 015 0,529 I 50,0 I L1 zinc AL 5010 I 77% 0,2 010 0.25 0.5 0,658 I 120.0 I T Cyanide S 510 { 59% 010. 0,0 0;04 0.0 0,055 I 8.0 { Mercury S 0,012 I 86% 0.0 010 0.00 010 0,001 I I S Silver AL 0,06 { 94% 010 010 0.01 015 0.519 I { E Selenium S 5100 I 0% 0,000 I j C Arsenic S 50,00 { 0% I I T Phenols S NA { 0%, I { I NH3-N C I 0% I 1 0 .T.R,Chlor,AL 17,0 { 0% I 11d I I--------------- ALLOWABLE PRDCT'D PRDCT'D PRDCT'D ---------MONITOR/LIMIT--------- I--ADTiq'L RECN1dDTN11J-- Effluent tffluent Effluent Instream I Recomm'd Conc, using using Conc. Based on Based on Based on I FREQUENCY INSTREAH { Allowable CHRONIC ACTUAL PERMIT using ACTUAL PERMITTED OBSERVED I Eff. don Monitor, Pollutant I Load Criteria Influent Influent OBSERVED Influent Influent Effluent I based on Recomm'd ? { (i,/d) (ug/1) (ug/1) (ug/1) (ug/1) Loading Loading Data { OBSERVED (YES/NO) --------- -- I------------------------------------------------------------------- I --------- --------- Cadmium S I 0,03 0,820 0.374 0,483 4,88 Limit limit Limit I NCAC YES Chromium S I 1.19 102.452 31545 51.746 24.40 Monitor Limit Limit I NCAC NO Copper AL I 0.22 14,343 17,074 25,013 14,15 Monitor Monitor Monitor I Weekly YES Nickel S I 0.74 180,316 21.964 B1,350 32.70 Limit Limit Limit I NCAC 110 Lead S I 0.75 51.226 1.939, 40,205 24,40 Monitor Limit Limit I NCAC YES zinc AL I 1.25 102,452 22,922 60.563 58.56 Monitor Monitor Monitor I Monthly YES Cyanide I 0,07 10.245 6,774 9,075 3,90 Limit Limit Limit I NCAC YES Mercury S { 0,00 0,025 0,023 0,031 0,00 Limit Limit { Silver AL j 0,01 0,123 01285 12.456 0100 Monitor Monitor Selenium S I 0,03 10,245 01000 01000 0.00 Arsenic S I 0.29 102.452 01000 01000 0100 Phenols S I 0,000 0,000 0,000 0,00 11H3-N C I 0,000 0.00 { T,R,Chlor,AL { 34,834 0,00 I I I I _ C NPDES PRETR.e_AT'v1ENI' INFOPMATION REQUEST FORM I 1 I ;FACILITY NAME: j/�e3� .Jefle-Soo jy(,�� NPDES NO. NCO � 0 Li S !. C' l� I _ ! REQUESTER: 1rci+ e � S ' i DATE: l D / ��/q3 ' REGION? ` ! i I PST CONDITIONS COVERING PRETRF,TNENT This facility has no SIUs and should not have pretreatment language. This facility should and/or is developing a pretreatment program. Please include the following conditions:; --.- - Program , Deve loprent Phase I due Phase II due Additional Conditions (attached) This facility is currently ilementing a pretreatment program. Please include the following conditions: Program Implementation Additional Conditions (attached) SIGNIFICANT INDUSTRIAL USERS' (SIUs) CON'i'RIBUTIONS SIU FLOW = TOTAL: - COMPOSITION: T�E: METAL FINIS' ING : OTrr�R: HEADWORKS REVIETA7 I PASS I ! PARAMETER !THROUGH DAILY LOAD IN LBS/DAY ACTUAL I � ! ! ALLOWABLE DO' WSTIC PEF4-[E I'ED INDUSTRIAL % RWfOVAL ! I Cd 103 _ ,b! , ��i • / ! Cr. - - 1-3-1, 03 �y.87 , �0 6 14 ! Cu, --NO f c iTF5e-- , 2Z 12�2 Oil I Ni ..S I , 07 , �3g y 3-Z ! ! Pb, , 02 SG 7 . 00 ZCN 07 - A O/S3 Phenol -- --- __ ! Other �1/a c,Q f5f . ,0/ �40l 9 fl 8 Z . Opp p SZ_ r I V I I ! RB=IVED: /a/ 2.%/ 93 REVI� } ED Fl-Y REITJY=- : � I I WHOLE EFFLUENT TOXICITY TESTING 01SELILMONTTORING SUA4dARY] Wa4 Dec 15.1993 FACH WEIDEL WWIP MM am LIM:61% Y 0 - - (PAM) - PASS - FNL- NC002502U401 B.O.Vim Pageocy:QPIP A IANAPRIULOCT NocComP: m - - - FNL FAIL PASS PASS - - FAIL PASS - Con1y:WA1(E Rey. FRO SoN,aam NEU06 91 PASS - - LATE PASS - PASS - - PASS - - PP:0.70 SP.tel SOCS191-1/19S CHR Q PIP LIM 64% APRJUI-OCTJAN. 02 PASS - - FAIL PASS - PASS - - PAM - - 7QIQ 020 159Q%)FS/Al Q' 0 PASS - - PASS - - LATE PASS - FAIL PAM 1IWmtso7WWTP PERM aR LBYA5% a - - - - - - - - - PASS - - NCOM51ND1 Beya7/199 Regomcr. Q PA+ A IAN APR JULOCT NooComp: 0 PASS - - FAIL FNL PASS PASS - PASS NR MR M Cmoy:ASKR Rey=WSRO Sab dw NEWQI 91 FAIL PASS — PASS — — PASS — — PASS — — Pp:0.y6p Spaa Q PASS — — PASS — — PASS — — FAIL PASS — 7QI0.0.70 IWQ%):6612 DAr[ N PASS - - PASS - - PASS - - PASS.FAL WEST PONTPEPPERELPLM WN PERM: OSIOR LC50 AC LIM 07%(CERIO OR DAPI) M - PHONE - - UACNEI PASS - P.70.7 PId - P.70.4 - NCTD03522.(01 &0.Nl93 Flegoacy:Q A FEB MAY AUG NOV NeoCootp:Sa)GLE 0 - PASS - - P.>1m1 - - P,>1001 - - P, Ica - Cmory:BI.SUFR Retlm FRO S.N.s1a CPP16 91 - P.>100f - - bLN M P,Pf P,Pf - - P.>10d - PP:2S0 Spe1a 92 - P.>Iw - - PASS, Ica - - PASS.>1od - - >10d,PASS - 7QIQ 810A0 IWQ%p0.0 Qec 0 - PAS3,68.07f - - 7S1T.PASS - - 70.71'SIG - - WEST POINT PFPPEREILNAMU.TON PERM24FSR AC LIM 90%( FM) 0 - LATE P.06f - P.NONEf - - P,P401 - - P,Ff - N(D001961A3D1 Betla7/193 Psgoeocy: Q PIP A FEB MAY AUG NOV NocCaop:SWGLE 0 P.401 w Ng M P. 82.71 - - w PASS - N7 - Cuooy:MARTIN Reym WARD S9NSM1a ROA09 91 - P,wel - - P.W.N - - P, w - - P.>1091 - PP:I30 Spay 0 - LATE7I.If PASS - PASS.M.w - - P"S.".01 - - PASS.>1001 - 7QIQ1122D IWQ%k0.21 QAr. 0 - >Iw.PASS - - >IWPASS - - AM - - WFSTPOINTPEPPERELLAUMBERfON PERM CIOt LIKIM SO PAM - PASS - - Ni PASS - PASS - - PASS NCm05618001 Be81a W193 Peo occc:Q PIP A MARJUNSFPDBC N..coo:SINGLE 0 - - PASS - - LATE PASS - PASS - - PASS Cmoy:ROBESON Retloa FRO Sebbatla LUM51 91 - - PASS - - PASS - - PASS - - PASS PP: 150 Span 0 - - PASS - - PASS - - PASS - - PASS 7QIQ Its M'Q%):2.93 QOc 0 - - PASS - - PASS - - PASS - — V.'EYERSUEtiSER-NEW BEtN PERM CH R LDA 13%- NCnA3191AD1 Beya12092 Peo� Q PIP A APR RJL OCT IAN Ne.Camp:SINOIE- Cmoy:aRAVPE Ilel.WARD SoEWaNEJ08 91 - - - - - - - - - - - - PP:37.11m Spaa D? - - - - - - - - - - - - 7QIQ225.0 IWQ%)201 Q"t'e 0 B. — — PASS — — PASS — — >62.0 WEYFRFJAEUSER-PLYMOIliTf(ROANOIR') PERM CHR LIM 103% B m — LATE PASS — — — — PASS — — — — NO)ONB0001 Bc0. W 193 Poqumcy: Q P/P A FED MAY AUG NOV NolCamp:SMGLE 0 — PASS — — — — — PASS — — — — Cmoy:MARTIN lbtla¢WARO So00Wa ROA09 91 — PASS — — — — — PASS — — — — PP:55.00 5paa Q — PASS — — — — — PASS — — — — 7QIQ720.0 IWQ%):1057 Oeaer. 03 — PASS — — — — — PASS — — WHrIEVlLEWVV P-0 l PERM CHRLIM.45%— NC0021920V01 Bey.V192 Foe socy:Q P/P A JAN APR JUL OGT NoOCwV:SINCRE— Cmoy:COLUMBUS ReS1aa WBRO S9Naaa LUM5S 91 — — — — — — — — — — — — PP:23000 5paa R2 — — — PASS — — FAIL PASS — FNL PASS — 7QIQ0J MC(%):45.19 Qe'e 0 FARPAM PASS(.) — PENDING(.) — — PASSIo) — — PASS.PASS WIDWOCD GREEN PERM Offt LlM;T2%— NCTA63614A701 Beyer W l91 PcgoeuT: Q PIP A FEB MAY AUG NOV NMComp:— Cmoy:WAFY Reym RAG Sobbdw NEU01 al — — — — — — — — — — fA PASS PF:OA Spcla 0 — PASS — — PASS — — Bt — PASS PASS — 7QIQ OD6 IWQ%):72 0dro 0 — PASS — — FAIL FAIL PASS PASS — — WBJKESBOROWWTP PERM CHR LD1:3.7% a - - PASS PASS - PASS - - MR FAIL - FAIL NOW21717AJ01 BeyerVIN3 Pegomry. 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N - Nevh k.o.d(To caoaoak H • Aalw b0I Bet duLryvG }-Nero du ovtlkNe fa mooW le go.tlm SIG .ORC ■ge000 meAeA 55 f... .. *:r j.: 3 SOC PRIORITY PROJECT: Yes V No_ If Y7s, SOC No. 9G-c2`( cc: Permits and Engineering Technical Support Branch County Health Dept. Nov r Central Files WSRO To: Permits and Engineering Units` Water Quality Section Attention: Charles Alvarez i Date November 4, 1993 NPDES STAFF REPORT AND RECOMMENDATION Y _ r U -4 County she — Permit No. NC0020451 PART I - GENERAL INFORMATION 1. Facility and Address: Town of West Jefferson WWTP P.O. Box 490 West Jefferson, NC 28694 2. Date of Investigation: November 3, 1993 3. Report Prepared by: George Smith 4. Persons Contacted and Telephone Number: Mr. Butch Howell - ORC (919) 246-3558 5. Directions to Site: Take Hwy 221 (business), the WWTP is located approx. 0.33 miles on the right. Clearwater Drive. 6. Discharge Point(s), List for all discharge points: Latitude: 360 24' 20" Longitude: 800 29' 24" Attach a USGS map extract and indicate treatment facility site and discharge point on map. U.S.G.S. - Quad No. B13NW Quad Name Jefferson 7. Site size and expansion area consistent with application ? X Yes No If No, explain: 8. Topography (relationship to flood plain included): This facility is built in a low lying area but above the flood plain. A gradual slope to the NE. 9. Location of nearest dwelling: There is one dwelling within 300 feet, up mountain. 10. Receiving stream or affected surface waters: Unnamed Tributary to MuddyCreek. Ur 4,77-ZE pn/J a. Classification: Class C - trout b. River Basin and Subbasin No.: New 05-07-02 C. Describe receiving stream features and pertinent downstream uses: Fishing, wildlife, recreation, and agriculture. PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS 1. a. Volume of Wastewater to be permitted: 0.369 MGD (Ultimate Design Capacity) b. What is the current permitted capacity of the Waste Water Treatment facility? 0.369 MGD C. Actual treatment capacity of the current facility (current design capacity)? 0.369 MGD d. Date(s) and construction activities allowed by previous Authorizations to Construct issued in the previous two years: Construction of clarifier has been met per SOC. Completed by December 1992. e. Please provide a description of existing or substantially constructed wastewater treatment facilities: Existing 0.369 MGD facility with bar screen influent wet well. Aeration basin, secondary clarifier, aerated digester, sludge holding basin, chlorine contact chamber, dechlorination unit. f. Please provide a description of proposed wastewater treatment facilities: N/A g. Possible toxic impacts to surface waters: None 1 h. Pretreatment Program (POTWs only): in development approved X should be required not needed 2. Residuals handling and utilization/disposal scheme: a. If residuals are being land applied, please specify DEM permit # W00003992 Residuals Contractor Town of West Jefferson .Telephone No. 919-246-3558 b. Residuals stabilization: PSRP X PFRP Other C. Landfill: N/A d. Other disposal/utilization scheme (Specify): NONE 3. Treatment plant classification (attach completed rating sheet): Class III 4. SIC Code(s): 4952 Wastewater Code(s) of actual wastewater, not.particular facilities i.e..,.non-contact cooling water discharge from a metal plating company would be 14, not 56. Primary 01 Secondary .Main Treatment Unit Code: 0 5 _0 _ 3 PART III - OTHER PERTINENT INFORMATION 1. Is this facility being constructed with Construction Grant Funds or are any public monies involved. (municipals only)? NO 2. Special monitoring or limitations. (including toxicity) requests: NONE 9 NPDES Permit Staff Report Version 10/92 Page 3 3. Important SOC, JOC or Compliance Schedule dates: (Please indicate) For sewer maintenance. Date Submission -of Plans and Specifications Jun. 1, 1993 Begin Construction Sept. 1, 1993 Complete Construction Dec. 31, 1993 4. Alternative Analysis'Evaluation: Has the facility evaluated all of the non -discharge options available. Please provide regional perspective for each option evaluated. Spray Irrigation: N/A Connection to Regional Sewer System: N/A Subsurface: N/A Other disposal options: N/A ,5. Other Special Items: N/A PART IV - EVALUATION AND RECOMMENDATIONS Recommend permit be renewed. Signature of'report preparer Date Water Quality Regiofal Supervisor Date NPDES Permit Staff Report Version 10/92 Page 4 RATING SCALE FOR CLASSIFICATION OF FACILITIES E 1', Name of Plant: WF't'r 7EFFFR S� , Owner or Contact Person: �H y �° R Mailing Address: (�• (?Qa x 49� WEST s Gr=FG IRSo,U �t� K� `� -- County: rMS F Telephone: NPDES Permit No. NOW P OLISI Nondisc. Per. No. _ IssueDate: L I I fig —Expiration Date: Existing Facility t/New Facility Rated ByDate Nov3 Reviewed (Train. & Cert.) . Reg. Office Reviewed (Train. & Cert.) Central Office ORC-_j3f,rTL(f oWj j. Grade Class: (circle one) I II 111 IV Total Points —La Plant POINTS (5) SECONDARY TREATMENT UNITS ITEM (a) Carbonaceous Stage (1) Industrial Pretreatment Units and/or (i)Aeration - High Purity Oxygen System ..... Diffused Air System ........... 20 0 Industrial Pretreatment Program 33) Mechanical Air System (fixed, (see definition No. floating or rotor) ................• B (2) D SI GN FLOW OF PLANT IN GPD to non -contaminated cooling waters, sludge Separate Sludge Reaeration .. 3 (not applicable handling facilities for water purification plants, totally (ii) Trickling Filter High Rate .................... 7 closed cycle systems (del. No. 11). and facilities of Item (4) (d) or Items (4) (d) and (11) (d)) Standard Rate ............... 5 consisting only 1 Packed Tower........... 5 0 — 20.000.........................: 2 (iii) Biological Aerated Filter or Aerated 20.001 — 50-000.......................... 3 Biological Filter ...................... 10 50,001 — 100,000 .......................... 100.001 — 250.000 .......................... 4 (iv) Aerated Lagoons ...................... 10 250.001 — 500,000.......................... (v) Rotating Biological Contactors .......... 10 500.001--1,000,000 ........ .............. 10 1.000.001 — 2,000,000 ....................... - (and up) - rate 1point additional for each vi Sand Filters- ( ) intermitlent biological ..... 2 200.000 gpd capacity up to a recirculating biological .... 3 maximum of 30 Flow : (vn) Stabilization Lagoons ::::.::::.:: •:::::. 1 . 5 (3) Design (gpd) PRELIMINARY UNITS (see definition no. 32) (viii)Clanfier . • (ix) Single stage system for" combined (a) Bar Screens ................................ carbonaceous removal of BOD and or (b) Mechanical Screens, Static Screens or 2 nitrogenous removal by nitrification (see del. No. 12) (Points for this item Comminuting Devices ........................... 1 have to be in addition to items (5) (a) (c) Grit Removal ............................... through (5) (a) (viii) .............. 8 or (d) Mechanical or Aerated Grit Removal ........... 2 (i) (x) Nutrient additions to. enhance. BOD .. 5 (e) Flow Measuring Device . .... ................ 1 removal . • • (xi) Biological Culture ('Super Bugs') addition or to enhance organic compound removal ..... 5 ((j Instrumented Flow Measurement .............. 2 (b) Nitrogenous Stage (g) Preaeration ............" .. ............. (i) Aeration - High Purity Oxygen System ..... 2 Diffused Air System ........... 100 • (h) Influent Row•Equalization ................... 2 Mechanical Air System (fixed, (i) Grease or Oil Separators - Gravity .......... 3 floating, or rotor) ...... ...... 8 Mechanical .......... Dissolved Air Flotation. 8 Separate Sludge Reaeration ..... 3 lj7 Prechlorination ............................... 5 (ii) Trickling Filler - 7 High Rale . ...• • • • • . . Standard Rate ............ 5 (4) • PRIMARY TREATMENT UNITS 2 Packed Tower..... • . • • . (a) Septic Tank (see definition no. 43) ......... 5 (iii) Biological Aerated Filler or Aerated (b) Imhoff Tank .................................. 5 Biological Filter ......................... 10 (c) Primary Clarifiers .......................... . Settling Ponds or Settling Tanks for Inorganic . • (iv) Rotating Biological Contactors ............ 1 (d) Non -toxic Materials (sludge handling facilities (v) Sand Filter. intermittent biological ........ 2 for water purification plants. sand, gravel. recirculating biological ........ 3 stone, and other mining operations except 5 activities such as gem or gold (vi) Clarifier ................................ creational re2 �.. .,......................... ... (6) .TERTIARY OR ADVANCED TREATMENT UNIT Activated Carbons Beds - y , (10) 4CHEMICAL ADDITION SYSTEM (S) (See definition No. 9) a () - without carbon regeneration .................. 5 (not applicable to chemical additions raled.as item with carbon regeneration 15 (3) 6), (5) (a) (A), (6) (a). (6) (b). (7) (b). (7) (e), .................... (b) Powdered or Granular Activated Carbon Feed - (9) (a), (9) (b), or (9) (c) 5 points each: List: without carbon regeneration ................. 5 ...... 5 ...... 5 with carbon regeneration ................... 15 ..... 5 (c) Air Stripping ............................. 5 • - ' • S (d) Denitrificalion Process (separate process) ..... 10 ' (e) Electnodialysis .............................. 5 (11) MISCELLANEOUS UNITS (t) Foam Separation ............................. 5 (a) Holding Ponds. Holding Tanks or Settling Ponds (g) ton Exchange ................................ 5 for Organic or Toxic Materials Including wastes (h) Land Application of Treated Elfluenl from mining operations containing nitrogen and/or (see definition no. 22b) (not applicable for phosphorous compounds in amounts significantly sand, gravel• stone and other similar mining greater than is common for domestic wastewater .......... 4 operations) (b) Effluent Flow Equalization (not applicable to storage 01 on agrimrtlurally, managed sites (See del. basins which are inherent in land application systems). 2 No. 4) ................................... 10 (c) Stage Discharge (not applicable to storage basins (IQ by high rate infiltration on non -agriculturally managed sites (includes rotary distributors inherent in land application systems..._ .............._._..... . (d) Pumps.__� and similar fixed nozzle systems) ........... 4 (e) Stand -By Power Supply.------.-_---- 3 (Ill) by subsurface disposal ('includes low pressure (1) Thermal Pollution Control Device.„.__..._......_...__. _...„.„ 3 pipe systems and gravity systems except at plants consisting of septic lank and nitrifica- 63 tion fines only) ..................„......... 4 TOTAL POINTS (� Microsareens.................................. 5 (j) Phosphorus Rerno+al by Biological Processes CLASSIFICATION (See del. No. 26)............................ 20 (k) Polishing Ponds - without aeration ....... 2 Class 1...._5 - 25 Points with aeration .......... 5 Class II._26. 50 Points (I) Post Aeration - cascade .............. 0 Class III.. __.... _ ..__... _. _. _..._„. 51- 65 Points diffused or mechanical ... 5 Class IV._66- Up Points ............................•. . 5 (m) Reverse Osmosis ................................. (n) Sand or Mixed -Media Fillers - low rate ........... 2 Facilities having a rating of one through four points, inclusive. high rate .......... 5 do not require a certified operator. Classification of all other (o) Treatment processes for removal of metal or facilities requires a comparable grade operator', in responsible cyanide...... .............................. 15 charge. (p) Treatment processes for removal of toxic materials other than metal or cyanide ......... 15 Facilities having an activated sludge process Will be assigned a minimum classification of Class 11. I SLUDGE TREATMENT ' g p oremoval of metal Facilities ran (a) Sludge Digestion Tank - Heated ............... Aerobic .............. 10 or de will be assigned a minimumelassitication o1 Class Il. Unhealed.......... Facilities having treatment processes for the biological removal (b) Sludge Stabilization (chemical or thermal) ....... 5 of phosphorus will be assigned a minimum classification of Class (c) Sludge Drying Beds - Grahly .......... „ ..... 2 Ill. Vacuum Assisled ....... 5 (d) Sludge EluiriaGon ............................. 5 In -plant processes and related control equipment which are an (e) Sludge Conditioner (chemical or thermal) ........ 5 integral part of industrial production shall not be considered waste (f) Sludge Thickener (gravity) b) • - • - - - • • • • • •.......... 5 treatment. Likewise, discharges of wastewater from residences (g) Dissolved Air Flotation Unit having a design flow of 1.0DD gpd or less, shall not be subject to (not applicable to a unit rates as (3) n ......... 6 rating. (h) Sludge Gas Utilization including gas storage) ... . Sludge Holding Tank - Aerated ................ 5 ADDITIONAL COMMENTS, (i) - Non -aerated ............ (j) Sludge Incinerator - (not including activated carbon regeneration) .. 10 (k) Vacuum Filter. Centrifuge or Filler Press or other similar dewalering devices ..................... 10 (8) SLUDGE DISPOSAL (including incinerated ash) " (a) Lagoons .......................................... 2 (b) Land Application (surface and subsurface) (see definition 22a) -where the facility holds the land app. permit ... 10 -by contracting to a land application operator who holds the land application permit .. • .. . 2 -land application of sludge by a contractor who does not hold the permit for the wastewater treatment facility where the sludge is generated ......... 10 (c) Landfilled (buriaR ............................. 5 (9) DISINFECTION (a) Chlorination ........................ ..... (b) Dechiorination ........................ 5 (c) Ozone .............................. 5 (d) Radiation .......................... 5