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Home My WebLink AboutNC0046426_Renewal (Application)_20230629 ROY COOPER Governor ELIZABETH S.BISER `• �� Secretary . RICHARD E.ROGERS,JR. NORTH CAROLINA Director Environmental Quality June 29, 2023 Wilkes County Schools Attn: Thomas J. Spicer, ORC 613 Cherry St North Wilkesboro, NC 28659 Subject: Permit Renewal Application No. NC0046426 Traphill Elementary School WWTP Wilkes County Dear Applicant: The Water Quality Permitting Section acknowledges the June 29, 2023, receipt of your permit renewal application and supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW permitting branch. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made. Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a timely manner to requests for additional information necessary to allow a complete review of the application and renewal of the permit. Information regarding the status of your renewal application can be found online using the Department of Environmental Quality's Environmental Application Tracker at: https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker If you have any additional questions about the permit, please contact the primary reviewer of the application using the links available within the Application Tracker. Sincerely, 3clan Wren Thed ord Administrative Assistant Water Quality Permitting Section ec: WQPS Laserfiche File w/application NWinston-Saorth Carolinalem DepartmentRegionalOffice of Environmental450WestHane QualitysMill I Road.DivisionSutte of Water300 Resources Winston-Salem.North Carolina 27105 Mares- � �F 336.776.9800 North Carolina Department of Environmental Quality Modified Application Form 2A Division of Water Resources Revised March 2021 Modified Application Form 2A Minor Sewage Facilities < 0.1 MGD and No Pretreatment Program NPDES Permitting ProgramREC EINE3 JU >4 2 9 2023 E0pw�NppES NCD Traphill Elementary NC - 0046426 Note: Complete this form if your facility is a MINOR new or existing publicly owned treatment works. NPDES Permit Number Facility Name Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 Form NC Department of Environmental Quality-Application for NPDES Permit to Discharge Wastewater NPDES MINOR SEWAGE FACILITIES(Before completing this form,please read the instructions.Failure to follow the instructions ma result in denial of the application.) SECTION 1.BASIC APPLICATION INFORMATION FOR ALL APPLICANTS(40 CFR 122.21(j)(1)and(9)) 1.1 Facility name Traphill Elementary School Mailing address(street or P.O.box) 9794 Traphill Road City or town State ZIP code o Traphill NC 28685 Contact name(first and last) Title Phone number Email address Thomas Spicer ORC (336)651-4011 spicert@wilkes.k12.nc.us Location address(street,route number,or other specific identifier) ❑ Same as mailing address w 613 Cherry Street City or town State ZIP code North Wilkesboro NC 28659 1.2 Is this application for a facility that has yet to commence discharge? ❑ Yes 4 See instructions on data submission ❑✓ No requirements for new dischargers. 1.3 Is applicant different from entity listed under Item 1.1 above? ❑ Yes ❑✓ No 4 SKIP to Item 1.4. Applicant name Applicant address(street or P.O.box) 0 City or town State ZIP code c Contact name(first and last) Title Phone number Email address .0 1.4 Is the applicant the facility's owner,operator,or both?(Check only one response.) ❑ Owner ❑✓ Operator ❑ Both 1.5 To which entity should the NPDES permitting authority send correspondence?(Check only one response.) El Facility El Applicant Facility and applicant (they are one and the same) 1.6 Indicate below any existing environmental permits.(Check all that apply and print or type the corresponding permit number for each.) Existing Environmental Permits ❑ NPDES(discharges to surface ❑ RCRA(hazardous waste) ❑ UIC(underground injection water) control) E NC0046426 - o ❑ PSD(air emissions) ❑ Nonattainment program(CAA) ❑ NESHAPs(CM) a y ❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify) w 404) Page 1 NPDES Permit Number Facility Name Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 1.7 Provide the collection system information requested below for the treatment works. Municipality Population Collection System Type Served Served (indicate percentage) Ownership Status %separate sanitary sewer ❑ Own ❑ Maintain %combined storm and sanitary sewer 0 Own ❑ Maintain N 0 Unknown 0 Own ❑ Maintain c %separate sanitary sewer 0 Own El Maintain g %combined storm and sanitary sewer 0 Own ❑ Maintain ❑ Unknown ❑ Own 0 Maintain a %separate sanitary sewer ❑ Own 0 Maintain c %combined storm and sanitary sewer ❑ Own 0 Maintain 0 ❑ Unknown ❑ Own 0 Maintain E %separate sanitary sewer ❑ Own ❑ Maintain cn %combined storm and sanitary sewer El Own ❑ Maintain c 0 Unknown 0 Own ❑ Maintain .0 Total °' Population o Served Separate Sanitary Sewer System Combined Storm and Sanitary Sewer Total percentage of each type of /0° °sewer line(in miles) z' 1.8 Is the treatment works located in Indian Country? c o ❑ Yes ❑✓ No U R 1.9 Does the facility discharge to a receiving water that flows through Indian Country? c ❑ Yes ❑✓ No 1.10 Provide design and actual flow rates in the designated spaces. Design Flow Rate mgd ru y Annual Average Flow Rates(Actual) Two Years Ago Last Year This Year C 0 o mgd mgd mgd Maximum Daily Flow Rates(Actual) o Two Years Ago Last Year This Year mgd mgd mgd V, 1.11 Provide the total number of effluent discharge points to waters of the State of North Carolina by type. o Total Number of Effluent Discharge Points by Type a Constructed a'1— Treated Effluent Untreated Effluent Combined Sewer Bypasses Emergency - Overflows Overflows U N_ 0 1 Page 2 NPDES Permit Number Facility Name Modified Applicafion Form 2A NC0046426 Traphill Elementary Modified March 2021 Outfalls Other Than to Waters of the State of North Carolina 1.12 Does the POTW discharge wastewater to basins, ponds,or other surface impoundments that do not have outlets for discharge to waters of the State of North Carolina? ❑ Yes ❑ No 4 SKIP to Item 1.14. 1.13 Provide the location of each surface impoundment and associated discharge information in the table below. Surface Impoundment Location and Discharge Data Average Daily Volume Continuous or Intermittent Location Discharged to Surface Impoundment (check one) ❑ Continuous gpd ❑ Intermittent ❑ Continuous gpd ❑ Intermittent ❑ Continuous gpd ❑ Intermittent 2 1.14 Is wastewater applied to land? ❑ Yes ❑ No 4 SKIP to Item 1.16. O 1.15 Provide the land application site and discharge data requested below. u, Land Application Site and Discharge Data Continuous or Location Size Average Daily Volume Intermittent Applied (check one) N acres d ❑ Continuous o gp ❑ Intermittent acres d ❑ Continuous 0 9P ❑ Intermittent 0 acres d ❑ Continuous gp ❑ Intermittent 1.16 Is effluent transported to another facility for treatment prior to discharge? o ❑ Yes ❑ No-3 SKIP to Item 1.21. 1.17 Describe the means by which the effluent is transported(e.g.,tank truck,pipe). 1.18 Is the effluent transported by a party other than the applicant? ❑ Yes ❑ No 4 SKIP to Item 1.20. 1.19 Provide information on the transporter below. Transporter Data Entity name Mailing address(street or P.O.box) City or town State ZIP code Contact name(first and last) Title Phone number Email address Page 3 NPDES Permit Number Facility Name Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 1.20 In the table below,indicate the name,address,contact information, NPDES number,and average daily flow rate of the receiving facility. Receiving Facility Data -a Facility name Mailing address(street or P.O.box) CD City or town State ZIP code 0 Contact name(first and last) Title 0 Phone number Email address o NPDES number of receiving facility(if any) ❑None Average dailyflow rate mgd 0_ 9 9 0 1.21 Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do dnot have outlets to waters of the State of North Carolina(e.g.,underground percolation,underground injection)? ❑ Yes ❑ No 4 SKIP to Item 1.23. e 0 1.22 Provide information in the table below on these other disposal methods. Information on Other Disposal Methods o Disposal Location of Size of Annual Average Continuous or Intermittent Method Disposal Site Disposal Site Daily Discharge (check one) Description Volume 0 Continuous acres gpd 0 Intermittent 0 Continuous acres gpd 0 Intermittent acresgpd ❑ Continuous ❑ Intermittent 1.23 Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(n)?(Check all that apply. „ w Consult with your NPDES permitting authority to determine what information needs to be submitted and when.) ❑ Discharges into marine waters(CWA ❑ Water quality related effluent limitation(CWA Section CU CD Section 301(h)) 302(b)(2)) ❑ Not applicable 1.24 Are any operational or maintenance aspects(related to wastewater treatment and effluent quality)of the treatment works the responsibility of a contractor? ❑ Yes ❑ No+SKIP to Section 2. 1.25 Provide location and contact information for each contractor in addition to a description of the contractors operational and maintenance responsibilities. Contractor Information Contractor 1 Contractor 2 Contractor 3 o Contractor name (company name) Mailing address (street or P.O.box) City,state,and ZIP code Contact name(first and last) Phone number Email address Operational and maintenance responsibilities of contractor Page 4 NPDES Permit Number Facility Name Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 SECTION 2.ADDITIONAL INFORMATION(40 CFR 122.21(j)(1)and(2)) o Outfalls to Waters of the State of North Carolina 2.1 Does the treatment works have a design flow greater than or equal to 0.1 mgd? rn ❑ Yes ❑ No 4 SKIP to Section 3. 0 2.2 Provide the treatment works'current average daily volume of inflow Average Daily Volume of Inflow and Infiltration and infiltration. gpd Indicate the steps the facility is taking to minimize inflow and infiltration. 0 0 c LE 2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for a specific requirements.) o 0 0 ❑ Yes ❑ No E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information? o (See instructions for specific requirements.) rn LL ,R ❑ Yes ❑ No 2.5 Are improvements to the facility scheduled? ❑ Yes ❑ No 4 SKIP to Section 3. Briefly list and describe the scheduled improvements. 0 1. E 2. E 0 0 3. co 4. co 2.6 Provide scheduled or actual dates of completion for improvements. Scheduled or Actual Dates of Completion for Improvements E Affected Attainment of Scheduled Begin End Begin Outfalls Operational o Improvement Construction Construction Discharge (from above) (list outfall (MM/DD/YYYY) (MM/DD/YYYY) (MM/DD/YYYY) Level number) (MM/DD/YYYY) 1. 2 co 3. 4. 2.7 Have appropriate permits/clearances concerning other federal/state requirements been obtained?Briefly explain your response. ❑ Yes ❑ No ❑ None required or applicable Explanation: Page 5 NPDES Permit Number Facility Name Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 SECTION 3.INFORMATION ON EFFLUENT DISCHARGES(40 CFR 122.21(j)(3)to(5)) 3.1 Provide the following information for each outfall. (Attach additional sheets if you have more than three outfalls.) Outfall Number Outfall Number Outfall Number State County City or town s Distance from shore ft. ft. ft. O. Depth below surface ft. ft. ft. ca Average daily flow rate mgd mgd mgd Latitude Longitude " 3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges? o ❑ Yes ❑ No 4 SKIP to Item 3.4. a7 3.3 If so,provide the following information for each applicable outfall. N Outfall Number Outfall Number Outfall Number Number of times per year o discharge occurs a Average duration of each discharge(specify units) Average flow of each discharge mgd mgd mgd v, Months in which discharge occurs 3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser? ❑ Yes ❑ No 4 SKIP to Item 3.6. 42, 3.5 Briefly describe the diffuser type at each applicable outfall. Outfall Number Outfall Number Outfall Number N ci 3.6 Does the treatment works discharge or plan to discharge wastewater to waters of the State of North Carolina from one or more discharge points? ❑ Yes ❑ No 4SKIP to Section 6. Page 6 NPDES Permit Number Facility Name Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 3.7 Provide the receiving water and related information(if known)for each outfall. Outfall Number Outfall Number Outfall Number Receiving water name Name of watershed,river, 0 or stream system U.S.Soil Conservation Service 14-digit watershed o code Name of state management/river basin rn U.S.Geological Survey 8-digit hydrologic cataloging unit code Critical low flow(acute) cfs cfs cfs Critical low flow(chronic) cfs cfs cfs Total hardness at critical mg/L of mg/L of mg/L of low flow CaCO3 CaCO3 CaCO3 3.8 Provide the following information describing the treatment provided for discharges from each outfall. Outfall Number Outfall Number Outfall Number Highest Level of ❑ Primary ❑ Primary ❑ Primary Treatment(check all that ❑ Equivalent to ❑ Equivalent to ❑ Equivalent to apply per outfall) secondary secondary secondary ❑ Secondary ❑ Secondary ❑ Secondary ❑ Advanced ❑ Advanced ❑ Advanced ❑ Other(specify) ❑ Other(specify) ❑ Other(specify) 0 Design Removal Rates by U Outfall BODs or CBOD5 TSS 0/0 ❑Not applicable 0 Not applicable ❑Not applicable Phosphorus % % % ❑Not applicable ❑Not applicable ❑Not applicable Nitrogen Other(specify) ❑Not applicable ❑Not applicable ❑Not applicable 0/0 % Page 7 NPDES Permit Number Facility Name Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 3.9 Describe the type of disinfection used for the effluent from each outfall in the table below. If disinfection varies by season,describe below. 0 d c c 0 U c Outfall Number Outfall Number Outfall Number .? Disinfection type Seasons used Dechlorination used? ❑ Not applicable ❑ Not applicable ❑ Not applicable ❑ Yes ❑ Yes ❑ Yes ❑ No ❑ No ❑ No 3.10 Have you completed monitoring for all Table A parameters and attached the results to the application package? ❑ Yes ❑ No 3.11 Have you conducted any WET tests during the 4.5 years prior to the date of the application on any of the facility's discharges or on any receiving water near the discharge points? ❑ Yes ❑ No 4 SKIP to Item 3.13. 3.12 Indicate the number of acute and chronic WET tests conducted since the last permit reissuance of the facility's discharges by outfall number or of the receiving water near the discharge points. Outfall Number Outfall Number Outfall Number Acute Chronic Acute Chronic Acute Chronic co rn Number of tests of discharge water FNumber of tests of receiving water w 3.14 Does the POTW use chlorine for disinfection,use chlorine elsewhere in the treatment process,or otherwise have reasonable potential to discharge chlorine in its effluent? ❑ Yes 4 Complete Table B,including chlorine. ❑ No 4 Complete Table B,omitting chlorine. 3.15 Have you completed monitoring for all applicable Table B pollutants and attached the results to this application package? ❑ Yes ❑ No Have you completed monitoring for all applicable Table D pollutants required by your NPDES permitting authority and 3.18 attached the results to this application package? ❑ Yes ❑ No additional sampling required by NPDES permitting authority. Page 8 NPDES Permit Number Facility Name Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 3.19 Has the POTW conducted either(1)minimum of four quarterly WET tests for one year preceding this permit application or(2)at least four annual WET tests in the past 4.5 years? El Yes ❑ No 4 Complete tests and Table E and SKIP to Item 3.26. 3.20 Have you previously submitted the results of the above tests to your NPDES permitting authority? El Yes ❑ No 4 Provide results in Table E and SKIP to Item 3.26. 3.21 Indicate the dates the data were submitted to your NPDES permitting authority and provide a summary of the results. Date(s)Submitted Summary of Results (MM/DD/YYYY) v m C 3.22 Regardless of how you provided your WET testing data to the NPDES permitting authority,did any of the tests result in toxicity? ❑ Yes ❑ No 4 SKIP to Item 3.26. 3.23 Describe the cause(s)of the toxicity: c d Ui w 3.24 Has the treatment works conducted a toxicity reduction evaluation? ❑ Yes ❑ No 4 SKIP to Item 3.26. 3.25 Provide details of any toxicity reduction evaluations conducted. 3.26 Have you completed Table E for all applicable outfalls and attached the results to the application package? El Yes ❑ Not applicable because previously submitted information to the NPDES •ermittin• authori . Page 9 NPDES Permit Number Facility Name Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 SECTION 6.CHECKLIST AND CERTIFICATION STATEMENT(40 CFR 122.22(a)and(d)) 6.1 In Column 1 below,mark the sections of Form 2A that you have completed and are submitting with your application.For each section,specify in Column 2 any attachments that you are enclosing to alert the permitting authority.Note that not all applicants are required to provide attachments. Column 1 Column 2 ov Section 1: Basic Application Information for All Applicants wl variance request(s) Er w/additional attachments Section 2:Additional El wl topographic map ❑ w/process flow diagram Information ❑ wl additional attachments w/Table A ❑ wl Table D dSection 3:Information on i w/Table B ❑ w/additional attachments Effluent Discharges ❑ w/Table C Section 4: Not Applicable 0 Section 5:Not Applicable ❑ Section 6:Checklist and w/attachments Certification Statement 6.2 Certification Statement /certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted.Based on my inquiry of the person or persons who manage the system,or those persons directly responsible for gathering the information,the information submitted is,to the best of my knowledge and belief,true,accurate,and complete.I am aware that there are significant penalties for submitting false information,including the possibility of fine and imprisonment for knowing violations. Name(print or type first and last name) Official title Dg Signature Date signed Please see attached documents!!! Page 10 NPDES Permit Number Facility Name Outfall Number Modified Applicafion Form 2A NC0046426 Traphill Elementary Modified March 2021 TABLE A.EFFLUENT PARAMETERS FOR ALL POTWS Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Pollutant Number of Methods (include Value Units Value Units Samples units) Biochemical oxygen demand ❑ML ❑BOD5 or❑CBOD5 MDL (report one) Fecal coliform ❑ML ❑MDL Design flow rate pH(minimum) pH(maximum) Temperature(winter) Temperature(summer) 0 ML Total suspended solids(TSS) ❑MDL 1 Sampling shall be conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or required under 40 CFR chapter I,subchapter N or 0.See instructions and 40 CFR 122.21(e)(3). Page 11 EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 TABLE B. EFFLUENT PARAMETERS FOR ALL POTWS WITH A FLOW EQUAL TO OR GREATER THAN 0.1 MGD Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Pollutant Number of Methods (include Value Units Value Units Samples units) Ammonia(as N) ❑ML ❑MDL Chlorine ❑ML (total residual,TRC)2 ❑MDL Dissolved oxygen ❑ML ❑MDL Nitrate/nitrite ❑ML ❑MDL Kjeldahl nitrogen ❑ML ❑MDL Oil and grease ❑ML ❑MDL Phosphorus ❑ML ❑MDL Total dissolved solids ❑ML ❑MDL 1 Sampling shall be conducted according to sufficiently sensitive test procedures(i.e., methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or required under 40 CFR chapter I,subchapter N or 0.See instructions and 40 CFR 122.21(e)(3). 2 Facilities that do not use chlorine for disinfection,do not use chlorine elsewhere in the treatment process,and have no reasonable potential to discharge chlorine in their effluent are not required to report data for chlorine. EPA Form 3510-2A(Revised 3-19) Page 12 EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Pollutant Number of Methods (include units) Value Units Value Units Samples Metals,Cyanide,and Total Phenols ❑ML Hardness(as CaCO3) ❑MDL Antimony,total recoverable ❑ML ❑MDL Arsenic,total recoverable 0 ML ❑MDL ❑ML Beryllium,total recoverable ❑MDL ❑ML Cadmium,total recoverable ❑MDL Chromium,total recoverable 0 ML ❑MDL 0 ML Copper,total recoverable ❑MDL Lead,total recoverable 0 ML o MDL Mercury,total recoverable ❑ML o MDL 0 ML Nickel,total recoverable o MDL Selenium,total recoverable 0 ML ❑MDL Silver,total recoverable ❑ML ❑MDL ❑ML Thallium,total recoverable ❑MDL Zinc,total recoverable 0 ML ❑MDL Cyanide ID ML ❑MDL Total phenolic compounds ❑ML o MDL Volatile Organic Compounds Acrolein ❑ML o MDL Acrylonitrile ❑ML ❑MDL Benzene ❑ML ❑MDL Bromoform ID ML ❑MDL EPA Form 3510-2A(Revised 3-19) Page 13 EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 TABLE C. EFFLUENT PARAMETERS FOR SELECTED POTWS Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Pollutant Value Units Value Units Number of Methods (include units) Samples Carbon tetrachloride ❑ML ❑MDL Chlorobenzene El ML ❑MDL Chlorodibromomethane ❑ML ❑MDL Chloroethane ❑ML ❑MDL 2-chloroethylvinyl ether ❑ML ❑MDL Chloroform ❑ML ❑MDL Dichlorobromomethane ❑ML ❑MDL ❑ML 1,1-dichloroethane ❑MDL ❑ML 1,2-dichloroethane ❑MDL trans-1,2-dichloroethylene ❑ML ❑MDL 1,1-dichloroethylene ❑ML ❑MDL 1,2-dichloropropane El ML 0 MDL 1,3-dichloropropylene ❑ML ❑MDL Ethylbenzene ❑ML ❑MDL Methyl bromide ❑ML ❑MDL Methyl chloride ❑ML 0 MDL Methylene chloride ❑ML ❑MDL 1,1,2,2-tetrachloroethane ❑ML ❑MDL Tetrachloroethylene ❑ML ❑MDL Toluene ❑ML ❑MDL 1,1,1-trichloroethane ❑ML ❑MDL 0 ML 1,1,2-trichloroethane ❑MDL EPA Form 3510-2A(Revised 3-19) Page 14 EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 TABLE C. EFFLUENT PARAMETERS FOR SELECTED POTWS Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Pollutant Number of Method1 (include units) Value Units Value Units Samples ❑ML 1 Trichloroethylene ❑MDL Vinyl chloride ❑ML ❑MDL Acid-Extractable Compounds o ML p-chloro-m-cresol ❑MDL ML 2-chlorophenol ❑MDL 2,4-dichlorophenol 0 MDL 2,4-dimethylphenol ❑ML ❑MDL 4,6-dinitro-o-cresol ❑ML ❑MDL 2,4-dinitrophenol ❑ML ❑MDL ❑ML 2-nitrophenol ❑MDL ❑ML 4-nitrophenol ❑MDL ML Pentachlorophenol ❑MDL Phenol ❑ML ❑MDL 2,4,6-trichlorophenol ❑ML ❑MDL Base-Neutral Compounds Acenaphthene ❑ML ❑MDL ML Acenaphthylene ❑MDL Anthracene ❑ML ❑MDL Benzidine ❑ML ❑MDL ML Benzo(a)anthracene ❑MDL O ML Benzo(a)pyrene ❑MDL 3,4-benzofluoranthene ❑ML ❑MDL EPA Form 3510-2A(Revised 3-19) Page 15 EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 TABLE C. EFFLUENT PARAMET RS FOR SELECTED POTWS Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Pollutant Value Units Value Units Number of Method' (include units) Samples Benzo(ghi)perylene ❑ML ❑MDL Benzo(k)fluoranthene ❑ML ❑MDL Bis(2-chloroethoxy)methane ❑ML ❑MDL Bis(2-chloroethyl)ether ❑ML __ ❑MDL Bis(2-chloroisopropyl)ether ❑ML ❑MDL Bis(2-ethylhexyl)phthalate ❑ML ❑MDL 4-bromophenyl phenyl ether ❑ML ❑MDL Butyl benzyl phthalate ❑ML ❑MDL 2-chloronaphthalene ❑ML _ ❑MDL ❑ML 4-chlorophenyl phenyl ether ❑MDL Chrysene ❑ML ❑MDL di-n-butyl phthalate ❑ML ❑MDL di-n-octyl phthalate ❑ML ❑MDL Dibenzo(a,h)anthracene ❑ML ❑MDL 1,2-dichlorobenzene ❑ML ❑MDL 1,3-dichlorobenzene ❑ML _ ❑MDL 1,4-dichlorobenzene ❑ML ❑MDL 3,3-dichlorobenzidine ❑ML ❑MDL Diethyl phthalate ❑ML ❑MDL Dimethyl phthalate ❑ML ❑MDL 2,4-dinitrotoluene ❑ML ❑MDL 2,6-dinitrotoluene ❑ML ❑MDL EPA Form 3510-2A(Revised 3-19) Page 16 EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 TABLE C. EFFLUENT PARAMETERS FOR SELECTED POTWS Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Pollutant Number of Method' (include units) Value Units Value Units Samples 1,2-diphenylhydrazine ❑ML ❑MDL Fluoranthene ❑ML ❑MDL Fluorene ❑ML ❑MDL Hexachlorobenzene 0 ML ❑MDL Hexachlorobutadiene 0 ML ❑MDL Hexachlorocyclo-pentadiene ❑ML ❑MDL Hexachloroethane ❑ML ❑MDL Indeno(1,2,3-cd)pyrene ❑ML ❑MDL Isophorone ❑ML ❑MDL Naphthalene ❑ML ❑MDL Nitrobenzene ❑ML ❑MDL N-nitrosodi-n-propylamine ❑ML ❑MDL N-nitrosodimethylamine ❑ML ❑MDL ❑ML N-nitrosodiphenylamine ❑MDL Phenanthrene 0 ML ❑MDL Pyrene ❑ML ❑MDL 1,2,4-trichlorobenzene 0 ML ❑MDL 1 Sampling shall be conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or required under 40 CFR Chapter I,Subchapter N or 0.See instructions and 40 CFR 122.21(e)(3). EPA Form 3510-2A(Revised 3-19) Page 17 NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A NC0046426 Traphill Elementary Modified March 2021 TABLE D.ADDITIONAL POLLUTANTS AS REQUIRED BY NPDES PERMITTING AUTHORITY Maximum Daily Discharge Average Daily Dischar e Pollutant Analytical ML or MDL Itst Value Units Value Units Number of Method Samples (include units) ❑ No additional sampling is required by NPDES permitting authority. ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL ❑ML ❑MDL t Sampling shall be conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or required under 40 CFR chapter I,subchapter N or 0.See instructions and 40 CFR 122.21(e)(3). Page 18 6/20/23,8:54 AM Watertech Database • Traphill- NATEMTECH LADS Inc. EFFLUENT-2 EFFLUENT-3 INFLUENT STREAMS ® EFFLUENT Date ,itral�sis Result .1uahsis Rer•uU -truth.is Result Lttahsis Result .rt:eltisis Re.,; 9/10/2020 BOD 5.4 TSS 4.0 NH3 <0.2 Fecal 59 Coliform 9/24/2020 BOD 5.6 TSS <2.5 NH3 <0.2 Fecal <I Coliform I0/8/2020 BOD <2.0 TSS 3.8 NH3 <0.2 Fecal <1 Coliform 10/22/2020 BOD 2.6 TSS 6.0 NH3 <0.2 Fecal <I Coliform 11/5/2020 BOD <2.0 TSS 4.1 NH3 <0.2 Fecal <I Coliform 11/19/2020 BOD <2.0 TSS <2.5 NH3 <0.2 Fecal 280 Coliform 12/3/2020 BOD <2.0 TSS 6.3 NH3 <0.2 Feca 310 oliform BOD 43.6 y TSS <2.5 NH3 <0.2 Fecal 210 Coliform �lL 1/14/2021 BUD 28.8 TSS <2.5 NH3 1.26 Fecal <1 Coliform 1/27/2021 BUD <2.0 TSS <2.5 NH3 <1.0 Fecal <1 Coliform 2/11/2021 BUD <2.0 TSS <2.5 NH3 <1.0 Fecal <1 Coliform , 2/25/2021 BOD <2.0 TSS 4.3 NH3 <1.0 Fecal 51 Coliform 3/11/2021 BOD <2.0 TSS <2.5 NH3 2.47 Fecal 37 Coliform 3/25/2021 BOD <2.0 TSS 4.4 NH3 1.36 Fecal <1 Coliform 4/15/2021 BOD <2.0 TSS 4.8 NH3 1.64 Fecal <1 Coliform 4/29/2021 BUD 2.1 TSS 11.0 NH3 4.63 Fecal <1 Coliform 5/13/2021 BUD 2.4 TSS 5.3 NH3 1.29 Fecal <1 Coliform 5/27/2021 BOD 2.2 TSS <2.5 NH3 1.23 Fecal <1 Coliform 8/26/2021 BOD 5.6 TSS 12.0 NH3 <1.0 Fecal 26 Coliform 9/9/2021 BOD 3.7 TSS 4.4 NH3 <1.0 Fecal 15 Coliform 9/23/2021 BOD <2.0 TSS 4.5 NH3Fecal3 <1.0 21 Coliform 10/14/2021 BOD <2.0 TSS 4.1 NH3 <1.0 Fecal <1 Coliform 10/27/2021 BUD <20 TSS 5.5 NH3 <1.0 Fecal <1 Coliform 11/3/2021 BOD <2.0 TSS 3.8 NH3 <1.0 Fecal <1 https://www.watertechlabs.com/results3.jsp 1 3 6/20/23,8:54 AM Watertech Database • Coliform 11/18/2021 BOD <2.0 TSS 4.5 NH3 <1.0 Fecal 14 Coliform 12/2/2021 BOD 3.7 TSS 3.9 NH3 2.58 Fecal 42 Coliform 12/16/2021 BOD <2.0 TSS 5.1 NH3 1.41 Fecal 9 Coliform 1/6/2022 BOD 2.7 TSS 4.5 NH3 <1.0 Fecal 4 Coliform 11 1/25/2022 BOD <2.0 TSS <2.5 NH3 <1.0 Fecal 1 Coliform 2/10/2022 BOD <2.0 TSS <2.5 NH3 1.25 Fecal 2 Coliform 2/24/2022 BOD <2.0 TSS 4.3 NH3 1.16 Fecal 17 Coliform 3/10/2022 BOD <2.0 TSS 4.1 NH3 1.24 Fecal 23 Coliform 3/24/2022 BOD 3.2 TSS 4.7 NH3 2.04 Fecal 58 Coliform 4/7/2022 BOD <2.0 TSS <2.5 NH3 <1.0 Fecal 2 Coliform 4/28/2022 BOD 3.4 TSS <2.5 NH3 <1.0 Fecal 49 Coliform 5/5/2022 BOD 2.8 TSS <2.5 NH3 <1.0 Fecal 3 Coliform 5/19/2022 BOD <2.0 TSS <2.5 NH3 <1.0 Fecal 7 Coliform 9/8/2022 BOD <2.0 TSS 5.7 NH3 <1.0 Fecal 44 Coliform 9/22/2022 BOD <2.0 TSS <2.5 NH3 <1.0 Fecal 20 Coliform 10/6/2022 BOD <2.0 TSS 4.0 NH3 <1.0 Fecal 6 Coliform 10/20/2022 BOD 2.8 T �/ 5.0 // NH3 <1.0 Fecal 280 Coliform 11/3/2022 BOD 25.1 TSS 3.9 NH3 2.27 Fecal 31 �y Colifo`rm 11/17/2022 BOD <2.0 TSS 6.0 f�J NH3 1.68 Fecal 72 Coliform 12/1/2022 BOD <2.0 TSS <2.5 NH3 3.28 Fecal ' 130 Coliform 12/14/2022 BOD 14.4 TSS <2.5 NH3 2.89 Fecal 113 Coliform 1/12/2023 BOD <2.0 TSS <2.5 NH3 2.04 Fecal 49 Coliform 1/26/2023 BOD <2.0 TSS 3.1 NH3 2.63 Fecal 53 Coliform 2/9/2023 BOD <2.0 TSS <2.5 NH3 1.17 Fecal 83 Colifori 2/23/2023 BOD <2.0 TSS <2.5 NH3 <1.0 Fecal 26 V Coliform 3/9/2023 BOD <2.0 TSS 4.3 NH3 <1.0 Fecal 39 i/ https://www.watertechlabs.com/results3.jsp 2,3 6/20/243,8:54 AM Watertech Database • Coliform 3/23/2023 BOD <2.0 TSS <2.5 NH3 <1.0 Fecal 74 Coliform <2.5 NH3 1.14 Fecal 31 4/5/2023 BOD <2.0 TSS Coliform 4/20/2023 BOD <2.0 TSS 3.9 NH3 <1.0 Fecal 48 Coliform 5/3/2023 BOD <2.0 TSS <2.5 NH3 1.07 Fecal <1 Coliform 5/18/2023 BOD <2.0 TSS 3.4 NH3 1.09 Fecal 78 Coliform 2_,.(-(5--- i / • oY /(1- 3/.`-/ Y K https://www.watertechlabs.com/results3.jsp 3/3 83 ,( 1�, � 6/26/23, 11:35 AM Watertech Database Traphill- j rp Tl- ` 711E H LABS Inc EFFLUENT EFFLUENT-3 INFLUENT STREAMS EXIT-EFFLUENT 1?att, 9/10/2020 9/24/2020 10/8/2020 10/22/2020 11/5/2020 11/19/2020 12/3/2020 NO2+NO3 4.50 TKN 3.40 T.Nitrogen 7.90 T.Phosphorus 3.00 12/17/2020 1/14/2021 1/27/2021 2/11/2021 2/25/2021 3/11/2021 3/25/2021 4/15/2021 4/29/2021 NO2+NO3 17.0 TKN 4.80 T.Nitrogen 21.80 T.Phosphorus 3.29 5/13/2021 5/27/2021 8/26/2021 9/9/2021 9/23/2021 NO2+NO3 10.00 TKN 2.20 T.Nitrogen 12.20 T.Phosphorus 2.54 10/14/2021 10/27/2021 https://www.watertechlabs.com/results3e.jsp 1/3 6/26/23, 11:35 AM Watertech Database 11/3/2021 11/18/2021 NO2+NO3 15.0 TKN 1.40 T.Nitrogen 16.40 T. Phosphorus 2.54 12/2/2021 12/16/2021 1/6/2022 1/25/2022 2/10/2022 2/24/2022 3/10/2022 3/24/2022 NO2+NO3 20.9 TKN 9.00 T.Nitrogen 29.90 T. Phosphorus 3.78 4/7/2022 4/28/2022 5/5/2022 5/19/2022 NO2+NO3 27.5 TKN 1.60 T. Nitrogen 29.10 T.Phosphorus 6.00 9/8/2022 9/22/2022 NO2+NO3 16.4 TKN 2.40 T.Nitrogen 18.80 T. Phosphorus 2.97 10/6/2022 10/20/2022 11/3/2022 11/17/2022 12/1/2022 12/14/2022 NO2+NO3 13.6 TKN 8.80 T.Nitrogen 22.40 T.Phosphorus 4.66 1/12/2023 1/26/2023 2/9/2023 2/23/2023 NO2+NO3 29.1 TKN 6.10 T.Nitrogen 35.20 T. Phosphorus 3.88 https://www.watertechlabs.com/results3e.jsp 2/3 6/26/23, 11:35 AM Watertech Database /9/2023 3/23/2023 4/5/2023 4/20/2023 5/3/2023 5/18/2023 NO2+NO3 19.4 TKN 1.80 T.Nitrogen 21.20 T. Phosphorus 2.45 https://www.watertechlabs.com/results3e.jsp 3/3 Permit NC0046426 Grade 1 Biological WPCS [15A NCAC 08G .0302] /, Part I / A. 1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS ( [15A NCAC 02B.0400 et seq., 02B.0500 et seq.] During the period beginningon the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from)outfallbelow:01. Such disc arges p the Permittee as p shall be limited and monitored) by WWI MONITORING REQUIREMENTS PARAMETER Sample DailyMeasurement Sample [eDMR Code] Monthly n Average Maximum Frequency T pe Locatio Instantaneous Influent or Effluent Flow 0.004 MGD 50050 Grab BOD,5 day,20°C 30.0 mg/L 45.0 mglL 21 Month Mall 00310 Grab Total Suspended Solids 30.0 mg/L 45.0 mg/L 2 I Month WM 00530 Grab NH3 as N Monthly ME 00610 Mill Fecal Califon [31616] 200 1100 ml 4001100 ml 21 Month Grab •eometric mean Grab Temperature°C [00010] Grab Total NitrogenIIIIIMIIIINI Quarterly 00600 NM 1 Grab Total PhosphorusIIINIIIIIIII Quarterly MN 00665] Grab pH >6.0 and<9.0 standard units 21 Month MN 00400] 1. The permittee shall submit discharge monitoring reports electronically using the Division's eDMR application system [see A. (3)]. There shall be no discharge of floating solids or visible foam in other than trace amounts. A. (2) NUTRIENT REOPENER FOR HIGH ROCK LAKE [NCGS 143.215.1 (b)] t This permit may be reopened and modified to implement n ttriente re for High Roin accordance with any future TMDL and / or nutrient manage Lake. 3 of 6 111111•11.111111101.111111. - , . „ 11 ta 1 N -...\- '''... . ,..-------,.. ' --,-. / .,.. i •-_,/.. _) - • '1:$ r 4 It..) * •••• ,. *to .fe '-..s.,.... * Y . . , _ . . .,_ . ._ .., Traphill _. -------.;.- ,.., ,,, ,....._ , .... ,,,,,, .,,.. I 0 , ....tr4, xt •• _ ' =. .—...7 '"' • N.% ';--* • Creek d S Lit -.---, ..,____,:•.ili tle any ... . c. ...,. I ti II. til - 1‘ 1••••• ..-- 1 •. C. Outfall 001 .. - .„...... — -,—,, _, —' ,----, .....-..=...,=....... /7/ 41. -. 4,00r1-7-2 S4-' ,_----7 1.'.' ‘44:‘ . ,` P Y • • ‘ . ' • 0 '. ' ,.5 't....,. 4 .0. ,... i . i . k ..0 . ...., 1 % , i i -,-. ..:_. =x......- :. • N / .1.1 (....... ....--*%.1... ....2 - I I ,/ , i C. 41, •-. ' ..--:------ V ,,.. \.-/ ; ;1 1 I e ,., --, , ............._ _ ... .. • ...-, ..-: .....,,=,.... .- ) .- .7 t, • .s iV--42 -; .4:: ir,r ,t,.. • i '-'- 47 4:'ft •- 7.-:' --s.ks7.7,...,1„.1 ,t 1/4,4s. . 1 J i .., * i., A., .."qppyrightp 201kiNationa:Geographic Spciety,1-eqbed r,- e.-, • . _ , .„,•.-. 41 Wilkes County School N ,.- Traphill Elementary School WWTP ,... r.e) NPDES Permit NC0046426 A 1 15 000 000 \. .., Receiving Stream: Little Sandy Creek Stream Class:C Stream Segment: 12-46-4-10 Sub-Basin#:03-07-01 River Basin:Yadkin-Pee Dee HUC: 030401010405 SCALE 36.34°N, -81.0369°W County:Wilkes I 16,000