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HomeMy WebLinkAboutNC0026697_Wasteload Allocation_19920220NPDES WASTE LOAD ALLOCATION PERMIT NO.: NC0026697 PERMTTTEE NAME: FACILITY NAME: Town of Hayesville Town of Hayesville WWTP Facility Status: Existing Permit Status: Renewal with Modification Major Minor Pipe No.: 001 Design Capacity: 0.072 MGD* Domestic (% of Flow): 100 % Industrial (% of Flow): Comments: *Are asking for an upgrade to 0.097 MGD. Copyof their application and upgrade proposal included. RECEWING STREAM: Town Creek Class: C Sub -Basin: 04-05-01 Reference USGS Quad: GO3SE County: Clay Regional Office: Asheville Regional Office (please attach) Previous Exp. Date: 00/00/00 Treatment Plant Class: Classification changes within three miles: No change within three miles Requested by: Randy Kepler Date: Prepared by: / i� �� ,' Date: Reviewed by: 1VLL 12Q. etsymsfov1801).“. /W • 65E- egfaisitem goiD.4 I?C ta OntdiA61-e- 10/8/91 Date: 0...14 y a Modeler Date Rec. Co (4ii Drainage Area (mi2 ) 7.27 Avg. Streamflow (cfs): 3•� 7Q10 (cfs) O. rt Winter 7Q10 (cfs) 0.7? 30Q2 (cfs) 74' Toxicity Limits: IWC �..3 %�°� �� Acut Instream Monitoring: � �" ���-�K� Parameters 9.0 • Upstream i,vtIr Location �0 'lps. elfovIa/ J Downstrearniemlh cxwk Location YI,Q/ u/ OdU.% Effluent Characteristics NH3-N (mg/1) D.O. (mg/1) TSS (mg/1) F. Col. (/100 ml) pH (SU) (f);49//) v Re terra .6472, itt; rn07It fl�Y �-9 nling-fiV ginglave ionwilen7 .O1lAnf, �o 200 ac (NS Comments: tJoit ¶Wo SC:11/41-r Liµ-rs Foes —MC -rg° r. 1 ni (ae- ExDAfsiot3 ) Oa) Zf'/o (07osrr Pi b- zo 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 WAS `1'ELOAD ALLOCATION Request # 6491 Town of Hayesville/Town of Hayesville WWTP NC0026697 Domestic - 100% Existing Modification Town Creek C 040501 Clay Asheville Kepler 10/8/91 G3SE Wasteload Allocation Summary (approach taken, correspondence with region, EPA, etc.) Stream Characteristic: USGS # Date: Drainage Area (mi2): Summer 7Q10 (cfs): Winter 7(210 (cfs): Average Flow (cfs): 30Q2 (cfs): IWC (%): RECEIVED Water Quality Section DEC ? I 1991 Asheville Regional Otis Asheville, North Caroni" 03.5471.2320 1991 1.27 0.5 0.79 3.2 1.1 23 • Facilityis requesting an upgrade to 0.097 MGD. Plans for improving the WWTP include flow equalization, additional aeration units, and expanded chlorine contact facilities. Text from the engineering proposal does not mention dechlorination but the schematic for the proposed changes does. In any case, a chlorine limit will be necessary upon expansion as willon-i mg/l-(su e rYand- --rng/1(winter). Fecal limits should be changed to 200/100 ml upon issuance of this renewal. w ify et A 1 it Special Schedule Requirements and additional comments from Reviewers: I FA-6 's,•I y i.�nwJci 0# iv_ a,�l� 41J rL�e4 r'L6P(li a N(�3 Ii it,.. e i5 �riSC � G �'Y /�S t�i(`�07, AAA" s Ant C iryw I LL i l a Al;- C' 2 /'/i/J`V� 1Z /I /V )Z. G? f 113 ! i / lot ,A�i Recommended by: Reviewed by Instream Assessment: Regional Supervisor: • / Date: l Permits & Engineering: --Ls) a..A_Jj_da RETURN TO 'TECHNICAL SERVICES BY: ,t,-071e Date: 5/ Date: I 2_-L GI' raL Date: /2 7/7 1S au�.ot.,-� tie 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/1): TN (mg/1): Recommended Limits: Wasteflow (MGD): BOD5 (mg/1): NH3N (mg/1): DO (mg/1): TSS (mg/1): Fecal Col. (/100 mi): pH (SU): Residual Chlorine (µg/1): Toxicity Test (P/F): TP (mg/1): TN (mg/1): 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 New facility information 2 CONVENTIONAL PARAMETERS Monthly Average 0.072 30 monitor 30 1000 6-9 monitor monitor monitor Monthly Average before expansion 0.072 30 monitor 30 200 6-9 monitor @NCI8% monitor monitor x Monthly Average after expansion 0.097 30 monitor 30 200 6-9 28.0 @23% monitor monitor WQ or EL WQ WQ WQ WQ WQ Parameter(s) Affected Chlorine x fecal, toxicity test 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. OR No parameters are water quality limited, but this discharge may affect future allocations. 3 MISCELLANEOUS INFORMATION & S Pl1-K,CIAI J 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? /t/f13 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? PAL saariefrpreg -4c, 1 77 terms /575 17 A ? /34 ? /AA k �r.�c,e �, Al C "u� / — eye � Otis4.; 7.77, 4,, die �f w es sett.,,, 4 < tad. �y/ like e,¢P Ge/ Ln) d 4it c r /�/D c Airm h i /� ly ce.Y k fb L ,eeM a Yf /V r , J#- ex-74.4.4dasnaka,„ ok nnz- s 5 • 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. f-ke-ae Facility Name / er- SLf4/ff r .OMmf.e> Permit # 6>17 Pipe # 0 / 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 ig % (defined as treatment two in the North Carolina procedure document). The permit holder shall perform quarterly monitoring using this procedure to establish compliance with the permit condition. The first test will be performed irty days from the effective date of this permit during the months of 1.5-74r > P Ain/ . Effluent sampling for this testing shall be performed at the NPDES permitted final effl ent 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 a• cfs Permitted Flow . 2------ MGD IWC It % Basin & Sub -basin AI 49,1-0/ Receiving Stream i `✓L.) ea ce-Ait County Ccof y Recommended by: Dabe Witfrz • QCL PIF Version 9/91 d Facility Name Of1/'it' OF Oa ' Permit # Pipe # ©0 / 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 23 % (defined as treatment two in the North Carolina procedure document). The permit holder shall perform quartet monitoring using this procedure to establish compliance with the permit condition. The first test will be performed after thirty from the effective date of this permit during the months of / . Effluent sampling for this testing shall be performed at the NPDES permitted final e uent 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 cfs Permitted Flow • 09 7 MGD MC 3 % Basin & Sub -basin J/flil 'sAt9SVD Receiving Stream 7:ttiA) Cft County L Recommended by: Date Z//(/i7i QCL PIF Version 9/91 *** MODEL SUMMARY DATA *** Discharger : TOWN OF HAYESVILLE Receiving Stream : TOWN CREEK Summer 7Q10 : 0.5 Design Temperature: 23. Subbasin : 040501 Stream Class: C Winter 7Q10 : 0.79 ►LENGTH► SLOPE VELOCITY 1 DEPTH Kd Kd Ka Ka KN mile ft/mi fps ft design► @201/2 design( @201/2 design Segment 1 0.601 20.401 Reach 1 Segment 1 Reach 2 0.901 16.001 1 0.145 0.56 1 0.33 1 0.29 1 5.68 1 5.321 0.63 1 1 0.336 2.17 1 0.28 1 0.25 1 7.46 1 6.981 0.38 1 Flow 1 CBOD NBOD cfs mg/1 mg/1 Segment 1 Reach 1 Waste 0.150 1 45.000 1148.500 Headwaters 0.500 2.000 1 1.000 Tributary 0.000 2.000 1 1.000 * Runoff 1 0.070 1 2.000 1 1.000 Segment 1 Reach 2 Waste 0.000 Tributary 1 23.000 * Runoff 1 0.000 D.O. mg/1 0.000 7.720 7.720 7.720 0.000 1 0.000 1 0.000 2.000 1 1.000 1 8.580 2.000 1 1.000 1 7.720 * Runoff flow is in cfs/mile MODEL RESULTS Discharger : TOWN OF HAYESVILLE Receiving Stream : TOWN CREEK The End D.O. is 8.43 mg/1. The End CBOD is 2.14 mg/l. The End NBOD is 1.69 mg/1. SUMMER TOWN OF HAYESVILLE-NH3=33 MG/L SAVED ON LBDATA29 AS HAYSVL WLA WLA WLA DO Min CBOD NBOD DO Waste Flow (mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd) Segment 1 4.95 0.60 1 Reach 1 Reach 2 45.00 0.00 148.50 0.00 0.00 0.00 0.09700 0.00000 Seg # I 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Seg # I Reach 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 Reach Seg Mi I D.O. 0.00 5.94 0.10 5.56 0.20 5.29 0.30 5.12 0.40 5.02 0.50 4.96 0.60 4.95 0.60 8.47 0.70 8.47 0.80 8.46 0.90 8.45 1.00 8.45 1.10 8.44 1.20 8.44 1.30 8.43 1.40 8.43 1.50 8.43 # I Seg Mi I D.O. I CBOD 11.94 11.67 11.41 11.15 10.90 10.66 10.42 2.25 2.23 2.22 2.21 2.20 2.19 2.18 2.17 2.16 2.14 I CBOD 1 1 SUMMER TOWN OF HAYESVILLE-NH3=33 MG/L SAVED ON LBDATA29 AS HAYSVL NBOD I Flow I 35.10 0.65 33.83 0.66 32.60 0.66 31.42 0.67 30.29 0.68 29.21 0.69 28.16 0.69 1.79 23.69 1.78 23.69 1.77 23.69 1.76 23.69 1.75 23.69 1.73 23.69 1.72 23.69 1.71 23.69 1.70 23.69 1.69 23.69 NBOD I Flow I # 64e/ /coo2a77 7gkV of lierte5Wate �;�.097nnoecrev 07-te:toi roe geive-g44 frOrH A/Cc-at/es-is irate -of_ eZveciifes micate mit ftekti, Fic-tary ��enteVTzy S`c c nn1 PALitY ziiHIi3 Mani d gc-a tertey rr nG glee csiel‘,/ti AC-4m0 of iimo. fic:ttrijy ids v'io /we 4 Artitite Mr- el Pc': a 4 4:429/75 1744_ ori‘atil No Jo/rens pin wass 4 epr; "tAio .141,14qtgrele C-elityi•ct t m ��� / reneavigt-- £4c,c, _ I�wcc' eriger- reie j_NP A:r nenWS/CN,e efilly ,( eiSa 72T /N 4-1#049 at 4ffl7ijL) Afeer col anti Li,vf(1.- Qiz' «tp ewe zaVitoe*lL 0/tee/ilea: a•q/aq l� 5//bkfrQ be (tailitclu oifitt2A/ 4frWA/$'N. &of eS-Mkre-St e; Vat 41 It( 6,/ / 7t de/ niefre 6.3,S4f7/.Zr,Zc (it/flit) Prnt t 5-7Parkc- va: I " Zer-vez-er tP erhic 4-pibt r e icr • *wiriest • i^ <0 v> 64f1/ Aicoozgri • • it; toi‘t of tlitYealitt-te- 05.547/ Z f c 0910 •/4*'/�7,/Z/ 5.761II a • r elWatit c 0_71 j es ad+ tze, 3:0 Zf1f • • ifyieStinete 6/17: ,0974#0;) oyesreot tAm Cr. e acts .57olb 0.64 coMato eg 614. Tashi CE.t)fl16t, F1'1, 03 M7�. r75t f' gT) tAl7roo: 27 criticr-- Opt -4 1115. cfire; 3otti �'- c ff Z C.% 1 • \,. .5.4, oa c 71.175a isi() ,7010,v4 07c+0= ak:i o(c cfs 30ai5 P.A. in °. • Utk, f t/ • • • 0• d } • Stre&: (10.in Stc SieP Lotion C CafCuS 4 • • 4 • • • • d i st TOWN OF HAYESVILLE - Allowable Waste Concentrations Residual Chlorine 7Q10 (CFS) DESIGN FLOW (MGD) DESIGN FLOW (CFS) STREAM STD (UG/L) UPS BACKGROUND LEVEL (UG/L) I WC (%) Allowable Concentration (ug/I) SUMMER Ammonia as NH3 0.5 7Q10 (CFS) 0.097 !! DESIGN FLOW (MGD) 0.15035 !!! DESIGN FLOW (CFS) 17.0 STREAM STD (MG/L) 0!!!!UPS BACKGROUND LEVEL (MG/L) 23.118321 73.534752 ;::::::::::Allowable Concentration (mg/I) WINTER 05 0.097 0.15035 1.0 0.22 23.11832 3.593947 .....:Ammonia as NH3 7Q10 (CFS) !Nil DESIGN FLOW (MGD) DESIGN FLOW (CFS) STREAM STD (MG/L) HE UPS BACKGROUND LEVEL (MG/L) 1•11WC (%) Allowable Concentration (mg/I) 0.79 0.097 0.15035 1.8 0.22 15.98873 10.10196 NC0026697 DAG 11/18/91 • ENGINEERING PROPOSAL APPLICATION FOR NPDES PERMIT RENEWAL TOWN OF HAYESVILLE CLAY COUNTY, NORTH CAROLINA JUNE, 1991 GENERAL The Town of Hayesville -ntl operates a wastewater treatment plant (WWTP) which is allowed to discharge72,00Qgpd of treated effluent to Town Creek under NPDES Permit No. NC0026697. The location of the WWTP is shown on Figure One attached Effluent limitations are secondary with monthly averages of 30 mg/L BOD 30 mg/L TSS and 1000/100 ml Fecal Coliform. The WWTP is operating near hydraulic capacity at the present time. The Town recognizes the need to expand the WWTP in the near future so that sewer service will be available to accommodate perceived future growth Accordingly, the Town is applying for a flow increase of 25,000 gpd to 97,000 gpd total average flow under their existing permit in conjunction with the normal permit renewal process. II. EXISTING PLANT The Town maintains and operates a complete mix, extended aeration activated sludge wastewater treatment plant, originally constructed in 1964. Original plant components include bar screen, aeration basin, clarifier and aerobic digester. The treatment plant has been upgraded twice n the past ten (10) years, replacing the original surface aerators with blowers to deliver diffused air, and adding chlorination and flow measurement capability. The most recent upgrade added influent equalization and pumping and dechiorination facilities. A schematic of the existing treatment components is shown in Figure Two attached III. PROPOSED IMPROVEMENTS The existing WWTP will require that certain improvements be made in order to process the additional flow These improvements include the addition of a 25,000 gpd package treatment unit the Town presently has in storage. Chlorination facilities will also need to be expanded by extending the existing chlorine contact basin and constructing a new loading dock for chlorine cylinder transfer. A new influent splitter box is proposed to divide incoming flow between the new and existing aeration units The proposed orientation of the required improvements is shown on Figure Three attached TO: PERMITS AND ENGINEERING UNIT WATER QUALITY SECTION DATE• January 15, 1992 NPDES STAFF REPORT AND RECOMMENDATION COUNTY Clay PERMIT NUMBER NC0026697 PART I - GENERAL INFORMATION 1. Facility and Address: 2. Date of Investigation: 3. Report Prepared By: Town of Hayesville WWTP, NCSR 1140 Hayesville, North Carolina January 7, 1992 Kerry S. Becker 4. Persons Contacted and Telephone Number: • Hugh Powell and Marshall Reynolds 704-389-8043 5. Directions to Site: From the intersection of U.S. Hwy 64 Bus. and NCSR 1140 in Hayesville, travel south 0.55 mils on NCSR 1140 to t reatment facility on the right. 6 Discharge Point(s), List for all discharge points: L atitude: 35° 02' 30" Attach a USGS map extract and d ischarge point on map. U.S.G.S. Quad No. 150-SE Longitude: 83° 49' 15" indicate treatment facility site and U.S.G.S. Quad Name Hayesville, NC 7. Size (land available for expansion and upgrading): 8. Topography (relationship to flood plain included): 9. Location of nearest dwelling: > 500 feet N/A Flat Page 1 10. Receiving stream or affected surface waters: Town Creek a. Classification: C b. River Basin and Subbasin No.: Hiwassee 04-05-01 c Describe receiving stream features and pertinent downstream uses: Serves as habitat for the propagation and maintenance of wildlife. PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS 1 Type of wastewater: 100 % Domestic Industrial a. Volume of Wastewater: 0.097 MGD (Design Capacity) b. Types and quantities of industrial wastewater:None c. Prevalent toxic constituents in wastewater: Unknown d. Pretreatment Program (POTWs only): in development approved should be required not needed x 2 Production rates (industrial discharges only) in pounds per day: a. Highest month in the past 12 months: lbs/day b. Highest year in the past 5 years: lbs/day 3. Description of industrial process (for industries only) and applicable CFR Part and Subpart: 4. Type of treatment (specify whether proposed or existing): The e xisting extended aeration facility consists of a flow e qualization unit, aeration basin, rectangular clarifier, chlorine d isinfection, and dechlorination. The Town has located on -site (but not installed) a extended aeration package plant for the t reatment of the additional flow. 5. Sludge handling and disposal scheme. Sludge is dried on sand beds with final disposal in the county landfill 6. Treatment plant classification (attach completed rating sheet): Page 2 7 SIC Codes(s): 4952 Wastewater Code(s): Primary 01 Secondary Main Treatment Unit Code: 062-1 PART III - OTHER PERTINENT INFORMATION 1 Is this facility being constructed with Construction Grant funds (municipals only)? No 2 Special monitoring requests: Testing for Toxicity should be added to the permit. 3. Additional effluent limits requests: 4. Other: PART IV - EVALUATION AND RECOMMENDATIONS The Asheville Regional Office recommends renewing NPDES Permit Number NC0026697 with the requested increase in flow to 0.097 MGD. Signatu e of Report Preparer Water Quali'y Regional Supervisor Date Page 3 MODEL RESULTS Discharger : TOWN OF HAYESVILLE Receiving Stream : TOWN CREEK The End D.O. is 5.87 mg/1. The End CBOD is 13.34 mg/l. The End NBOD is 14.55 mg/l. SUMMER TOWN OF HAYESVILLE _l? E SOC CBOD = 67.5 & QW = .0 WLA WLA WLA DO Min CBOD NBOD DO Waste Flow (mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd) Segment 1 5075 0.50 1 Reach 1 67.50 90.00 0.00 0.08340 1 Seg # 1 1 1 1 1 1 1 1 1 1 1 1 Seg # Reach # 1 1 1 1 1 1 1 1 1 1 1 1 Reach # Seg Mi 1 D.O. 0.00 6.13 0.10 5.98 0.20 5.87 0.30 5.81 0.40 5.77 0.50 5.75 0.60 5.75 0.70 5.77 0.80 5.80 0.90 5.83 1.00 5.87 Seg Mi I D.O. I CBOD 15.46 15.23 15.01 14.79 14.57 14.36 14.15 13.94 13.74 13.54 13.34 CBOD SUMMER TOWN OF HAYESVILLE R-SOC CBOD = 67.5 & QW = . 0 4 ,._ NBOD I Flow I 19.28 0.63 18.75 0.63 18.23 0.63 17.72 0.63 17.23 0.63 16.75 0.63 16.29 0.63 15.83 0.63 15.39 0.63 14.97 0.63 14.55 0.63 NBOD I Flow I *** MODEL SUMMARY DATA *** Discharger : Receiving Stream . Summer 7Q10 : Design Temperature: Segment 1 Reach 1 TOWN OF HAYESVILLE TOWN CREEK 0.5 23. Subbasin : 040501 Stream Class: C Winter 7Q10 : 0.79 ILENGTHI SLOPE VELOCITY 1 DEPTH' Kd Kd Ka Ka KN mile ft/mi fps ft design) @201/2 'design' @203a design 1.001 20.401 I Flow 1 cfs Segment 1 Reach 1 Waste Headwaters Tributary * Runoff I 1 I 0.137 10.55 1 0.33 1 0.29 1 5.36 I 5.021 0.63 I 1 1 CBOD mg/1 1 1 NBOD mg/1 0.129 1 67.500 1 90.000 0.500 1 2.000 1.000 0.000 1 2.000 1.000 0.000 1 2.000 I 1.000 * Runoff flow is in cfs/mile D.O. mg/1 0.000 7.720 7.720 7.720 Zit Request Form for In -Stream. Assessment /2], ozio5o Wimp 6) NAME OF FACILITY Town of Hayesvi lle COUNTY Clay SUBBASIN 040501 REGION _ASHEVILLE DES • ai- _ Z GN FLOW 0 . MGD RECEIVING STREAM Town Creek Class C Waters BACKGROUND DATA: A. Why is SOC needed? (Facility is out of compliance . effluent limits? with which The Town will be connecting a nursing home with a di scharge scharge of 9600 gpd to the WWTP. The proposed addtional flow will exceed capacity of the WWTP. the design B . History of SOC requests: N/A Oprx 151nobj 1. Monthly Average waste flow _ prior to any SOC 0.06840 n83mgd. 2. SOC flow added: Date: flow: Date: flow: mgd g Date: flow: mgd g total of previously approved SOC flow: mgd 3. Flows lost from plant 4. This SOC request mgd flow: mgd flow: 0.00960 mgd 5. Total plant flow post--SOC (sum of original flow and o93 SOC flow minus losses) flow: 0.078"0 mgd 6. Is this an accurate flow balance for l ant? Why/why y/why not? Flows are based upon DMR data submitted to the Division s�.on by the POTW. C. Please attach DMR summary for past year for all l permitted parame- ters. If possible, include reports from previous years facility has been under SOC for morep y ars if �. than a year. THIS SOC: A Request is for domestic or industrial waste If it is a combin- ation, please specify percentages. 100% Domestic waste B What type of industry? please attach any pertinent data. N/A C The region proposes the following SOC limits: BODE 45.0 mg/1 NH3 monitor. mg/1 DO monitor mg/1 TSS 30.0 mg/1 fecal coliform 1000.0 #/100 ml pH 6.0 - 9.0 SU