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Home My WebLink AboutNC0079561_Fact Sheet_20171218DEQ / DWR / NPDES EXPEDITED FACT SHEET - NPDES PERMIT DEVELOPMENT NPDES Permit NCO079561 Derek Denard, Compliance & Exvedited Permittine Unit / 919-807-6307 120ct2017 Facility Information Applicant/Facility Name Town of Elk ParkElk Park WWTP Applicant Address P.O. Box 248, Elk Park, NC 28622 Facility Address 576 Elk River Road, Elk Park 28622 Permitted Flow (MGD) 0.100 Type of Waste 100% Domestic, Municipal, < 1MGD Facility Class WW -2 County Avery Permit Status Renewal Regional Office ARO Stream Characteristics Receiving Stream Little Elk Creek Stream Classification C;Tr Stream Segment 8-22-17 Drainage basin Watauga Summer 7Q10 (cfs) 0.6 Subbasin [HUC] 04-02-01 060101030201 Winter 7Q10 (cfs) 0.87 Use Support Inconclusive Data (Cat 3) 30Q2 (cfs) 1.3 303(d) Listed Average Flow (cfs) 4.5 State Grid C11NW IWC (%) 8.29 USGS Topo Quad Elk Park, NC FACILITY SUMMARY: The facility is an existing 0.10 MGD wastewater treatment facility that includes the following components: ♦ inlet bar screen ♦ two (2) 50,000 gallon aeration basins ♦ two (2) blowers ♦ two (2) clarifiers ♦ chlorine contact chamber with sodium hypochlorite liquid feed ♦ dechlorination with sulfur dioxide ♦ two (2) digesters ♦ diesel engine generator. RENEWAL SUMMARY: This permit reflects discharge at Outfall 001. DWR updated the following: The Division understands that you have made no significant changes to your facility since the last permit renewal. We have made the following updates to your previous permit: 1. The facility map has been updated 2. Regulatory citations have been added. 3. Parameter codes have been added to Section A. (1). 4. Electronic reporting of discharge monitoring reports (eDMR) has been added in Section A. (2.). 5. A Mercury TMDL evaluation did not indicate a limit was needed. Therefore, Total Mercury monitoring has been removed. Fact Sheet Renewal 2017 -- NPDES Permit NCO079561 Page 1 DATA SUMMARY: TABLE I: DMR Daily Parameter Values for Aug2012-Ju12017 MERCURY TMDL EVALUATION: A mercury TMDL was approved by US EPA in October 2012 and will be implemented in the final permit. Table II summaries the available mercury data used to determine requirements: Table II: Mercury Data Statistics [Method 1631EI Date Data ILimits Limits 1 Parameter T Month - Location Max I Min I Am -rage Count Parameter II-ocation W Max Imin jAverage u 1 Effluent Monthly I Weekly Daily UoM -:00010 - Temperature, Water Deg. Centigrade Downstream 21.9 1.3 13.6 Ls9 Effluent deg c Effluent 25.6 4.6 15.2 deg c Upstream 22 1.3 12.8 deg c 00300 - Oxygen, Dissolved (DO) Downstream 12.1- 3.9 8.7 mg/l Effluent 7.2 1.3 3.7 mg/l Upstream 12.5 4 8.8 Not < 6.0 nor > 9.0 200 400 0.100 mg/I su #/100MI mgd 00400 - pH Effluent 8.2 3.9 31616 - Coliform, Fecal MF, MFC Broth, 44.5 C Effluent 6000 0.49 L-, 50050 - Flow, in conduit or thru treatment plant Effluent 4.75857 0.014 0.1 e50060 - Chlorine, Total Residual I Effluent 26 20 20.0 28 ug/I - C0310 - BOD, 5 -Day (20 Deg. C) - Concentration Effluent 38.7 2 10.4 30.0 45.0 mg/l :-)C0530 - Solids, Total Suspended - Concentration Effluent 38 2. 7.1 30.0 45.0 mg/l - 60600 - Nitrogen, Total - Concentration Effluent 21.6 0.2' 6.8 mg/l aC0665 - Phosphorus, Total (as P) - Concentratior Effluent 5.8 0.1 2.7 mg/l MERCURY TMDL EVALUATION: A mercury TMDL was approved by US EPA in October 2012 and will be implemented in the final permit. Table II summaries the available mercury data used to determine requirements: Table II: Mercury Data Statistics [Method 1631EI Date Data Limits 1 Parameter T Month - Location Max I Min I Am -rage Count Monthly Avg Weekly Avg UoM C0610 - Nitrogen, Ammonia Total (as N) - Concentration u 1 Effluent 2.22 0.2 0.3 22 2.09 0.2 0.4 21 3.31 0.2 0.4 22 0.92 0.1 0.2 22 20 0.2 1.2 21 2.72 0.2 0.5 21 2.25 0.02 0.3 23 20 0.2 1.1. 21 0.63 0.2 0.2 22 0.43 0.2 0.2 22 3.73 0.2 0.7 21 5.53 0.2 0.6 22 11.0 33.0 11.0 33.0 11.0 33.0 4.2 12.6 4.2 12.6 4.2 12.6 4.2 12.6 4.2 12.6 4.2 12.6 4.2 12.6 11.0 33.0 11.0 33.0 mg/l mg/I mg/I mg1l mg/l mg/l mg/l mg/I mg/I mg/l mg/l mg/I 0-2 Effluent r_;3 Effluent 4 Effluent .5 Effluent _ C=:6 Effluent U7 Effluent 8 Effluent Ls9 Effluent --16 11 Effluent Effluent Effluent -a12 MERCURY TMDL EVALUATION: A mercury TMDL was approved by US EPA in October 2012 and will be implemented in the final permit. Table II summaries the available mercury data used to determine requirements: Table II: Mercury Data Statistics [Method 1631EI Date 05/10/17 # of Samples 1 Sample Result, n /L 2.61 TBEL, n /L 47 WQBEL, n 58.45 No limit or monitoring is required. COMPLIANCE HISTORY: See attached spreadsheet for Aug2012 to Ju12017. Fact Sheet Renewal 2017 -- NPDES Pennit NCO079561 Page 2 PERMIT NCO079561 FACILITY Town of Elk Park -Elk Park W WTP COUNTY Avery REGION Asheville MONITOR MONITOR OUTFALL LOCATION LOCATION PARAMETER VIOLATION FREQUENCY UNIT OF LIMIT CALCULATED % VIOLATION TYPE VIOLATION VIOLATION LAST REPORT REPORT NUMBER TYPE DATE MEASURE VALUE OVER ACTION COMMENT UPDATED BY MONTH YEAR ID 1 2013 001 Outfall Effluent Flow, in conduit or 01/31/2013 Continuous mgd 0.1000 0.1100 12 Monthly Average Proceed to NOV janet.cantwell thru treatment plant Exceeded 1 2015 001 Outfall Effluent Flow, in conduit or 01/0112015 Continuous mgd Frequency Violation Proceed to NOV Will send janet.cantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, in conduit or 01/19/2015 Continuous mgd Frequency Violation Proceed to NOV .Will send janetcantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, In conduit or 01/16/2015 Continuous mgd Frequency Violation Proceed to NOV Will send janet.cantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, in conduit or 01/04/2015 Continuous mgd Frequency Violation Proceed to NOV .Will send janet.cantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, in conduit or 01/11/2015 Continuous mgd Frequency Violation Proceed to NOV .Will send janetcantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, In conduit or 01/03/2015 Continuous mgd Frequency Violation Proceed to NOV Will said janet.cantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, in condultor 01125/2015 Continuous mgd Frequency Violation Proceed to NOV .Will send janet.cantwell thru treatment plant - amended. JAC. 1 2015 001 Outfall Effluent Flow, in conduit or 01/18/2015 Continuous mgd Frequency Violation Proceed to NOV Will send janetcantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, in conduit or 01/10/2015 Continuous mgd Frequency Violation Proceed to NOV .Will send janetcantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, in conduit or 01/24/2015 Continuous mgd Frequency Violation Proceed to NOV .Will send janet.cantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, in conduit or 01/17/2015 Continuous mgd Frequency Violation Proceed to NOV Will send janet.cantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, in conduit or 01/31/2015 Continuous mgd Frequency Violation Proceed to NOV .Will send janetcantwell thru treatment plant amended. JAC. 1 2015 001 Outfall Effluent Flow, in conduit or 01/31/2015 Continuous mgd 0.1000 4.2600 4163 Monthly Average Proceed to NOV Will send janet.cantwell thru treatment plant Exceeded amended. JAC. 3 2013 001 Oulfall Effluent Flow, in conduit or 03/31/2013 Continuous mgd 0.1000 0.1000 1 Monthly Average Proceed to NOV janet.cantwell thru treatment plant Exceeded 3 2014 001 Outfall Effluent pH 03/11/2014 Weekly su 6.0000 3.9000 35 Daily Minimum Not No Action, BPJ janeLcantwell Reached 5 2015 07/01/2015 LatelMissing DMR No Action, BPJ DMR received bobsledge late on 1 012 7/2 01 5 6 2013 001 Outfall Effluent Temperature, Water 06/01/2013 5 X week deg c Frequency Violation No Action, NO VIOL: 5/27 janet.cantwell Deg. Centigrade Facility ReporUng was Holiday: Error did 4 of 5 req. JAC.8/20/13. 7 2013 001 Outfall Effluent Flow, in conduit or 07/31/2013 Continuous mgd 0.1000 0.1500 52 Monthly Average No Action, BPJ Excess flow janet.oantwell thru treatment plant Exceeded due to flooding. JACA 2/9/13. 9 2016 001 Outfall Effluent Flow, in conduit or 09/05/2016 Continuous mgd Frequency Violation Proceed to NOD janeLcantwell thru treatment plant 10 2014 001 Outfall Effluent pH 10/25/2014 Weekly su Frequency Violation Proceed to NOD janet.cantwell 10 2014 12/01/2014 Late/Missing DMR No Action, BPJ Recd. Central janet.cantwell Files 2116/15. JAC.5/13/15. 11 2014 001 Outfall Effluent Temperature, Water 11/15/2014 5 X week deg c Frequency Violation No Action, BPJ No Viol: they janetcantwell Deg. Centigrade took "Holiday" or 11114/14. JAC.5113/15. 11 2014001 Outfall Effluent pH 11/01/2014 Weekly su Frequency Violation Proceed to NOD janet.cantwell 12 2012 001 Outfall Effluent Temperature, Water 12/01/2012 5 X week deg c Frequency Violation No Action, Temp was janet.cantwell Deg. Centigrade Facility Reporting done 11/30/12. Error JAC.2/20/13. 12 2012 001 Outfall Effluent Nitrogen, Total - 12/3112012 Semi-annually mg/I Frequency Violation No Action, TN was done janet.cantwell Concentration Facility Reporting 10/16/12. Error JAC.2/20/13. 12 2012 001 Oulfall Effluent Phosphorus, Total 12/31/2012 Semi-annually mgll Frequency Violation No Action, TP was done janetcantwell (as P) - Facility Reporting 10/16112, Concentration Error JAC.2/20/13. 12 2016 001 Oulfall Effluent Nitrogen, Total - 12/31/2016 Semi-annually rl Frequency Violation Proceed to janet.cantwell Concentration Enforcement Case 12 2016 001 Outfall Effluent Phosphorus, Total 12/31/2016 Semi-annually mg/I Frequency Violation Proceed to janet.cantwell (as P) - Enforcement Concentration Case 12 2015 001 Outfall Effluent Nitrogen, Total - 1213112015 Semi-annually mg/I Frequency Violation Proceed to NOV Will became janetcartwet Concentration NOV-NOI. JAC.5123/1 6. 12 2015 001 Outfall Effluent Phosphorus, Total 12/31/2015 Semi-annually ml Frequency Violation Proceed to NOV Will become janetcantwell (as P) - NOV' NOL Concentration JAC.5/23/16. 12 2013 001 Ouffall Effluent Temperature, Water 12/28/2013 5 X week deg c Frequency Violation No Action, BPJ They monitored janet.cantwell Deg. Centigrade 12/26 instead of 12123. 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