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Home My WebLink AboutNC0061638_fact sheet_20230703DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 FACT SHEET EXPEDITED - PERMIT RENEWAL Basic Information for Expedited Permit Renewals Permit Writer/Date Charles Weaver - 7/3/2023 Permit Number - Class NCO061638 — Class WW-2 Owner Carolina Water Service of NC, Inc. Facility Name Amherst WWTP Type of Waste 100 % domestic Basin Name/Sub-basin number Neuse River Basin / 03-04-02 Receiving Stream Middle Creek [segment 27-43-15- 1 Stream Classification in Permit C-NSW Does permit need Daily Max NH3 limits? Ammonia limits are already at BAT (2 mg/L summer, 4 mg/L winter Does permit need TRC limits/language? TRC limit & monitoring requirements in place Does permit have toxicity testing? No Does permit have Special Conditions? Neuse Riverspecial conditions Does permit have instream monitoring? DO & temperature Is the stream impaired (on 303(d) list)? Yes. Stream segment was added to list in 2012 due to Benthos exceeding criteria. Any obvious compliance concerns? No enforcements during the last permit cycle. Seven NOVs during the last permit cycle. Any permit modifications since last permit? No New expiration date Aril 30, 2028 Changes to current permit? Updated eDMR language Added Neuse Modeling reo ener Changes to final permit? None DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 AFFIDAVIT OF PUBLICATION Account # Order Number Identification Order PO Amount Cols Depth 19489 422637 i_ Print Legal Ad-IPL01233540 - IPLO123354 $685.65 1 72 L Attention: Wren Thedford DEPARTMENT OF WATER RESOURCES - RALEIGH 1617 MAIL SERVICE CENTER RALEIGH, NC 276991617 meagen.benton@ncdenr.gov Public Notice North Carolina Environmental Man- agement Commission/NPDES Unit 1617 Mail Service Center Raleigh, NC 27699-1617 Notice of Intent to Issue a NPDES Wastewater Permit The North Carolina Environmental Management Commission proposes to issue a NPDES wastewater dis- charge permit to the person(s) listed below. Written comments regarding the proposed permit will be accepted until 30 days after the publish date of this notice. The Director of the NC Di- vision of Water Resources (DWR) may hold a public hearing should there be a significant degree of public interest. Please mail comments and/or infor- mation requests to DWR at the above address. Interested persons may visit the DWR at 512 N. Salisbury Street, Raleigh, NC 27604 to review the infor- mation on file. Additional information on NPDES permits and this notice may be found on our website: https://deq. re gov/public-notices-hearings,or by calling (919) 707-3601. Carolina Water Service, Inc. of NC re- quested renewal of NPDES permit NC0061638/Amherst WWTP/Wake County. Facility discharges to Middle Creek/Neuse River Basin. Currently BOD, Ammonia Nitrogen, Dissolved Oxygen, Fecal Coliform, and Total Residual Chlorine are water quality limited. Carolina Water Service, Inc. of NC requested renewal of NPDES Permit NC0062219/Kings Grant Subdivision/ Wake County. Facility discharges to an unnamed tributary to Poplar Creek/ Neuse River Basin. Currently, BOD5, ammonia, fecal coliform, dissolved oxygen, and total residual chlorine are water quality is limited. Carolina Water Service, Inc. of North Carolina requested renewal of NPDES permit NC0064378/Willowbrook WWTP/Wake County. Facility dis- charges to an unnamed tributary to Beddingfield Creek/Neuse River Ba- sin. Currently, BOD, ammonia -nitro- gen, dissolved oxygen, fecal coliform, total residual chlorine, and 4 radioactive substances are water quality limited. Carolina Water Service, Inc. of North Carolina requested renewal of NP- DES permit NC0051322/Ashley Hills WWTP/Wake County. Facility dis- charges to Poplar Creek/Neuse River Basin. Currently, BOD, ammonia -ni- trogen, fecal coliform, dissolved oxy- gen, total phosphorus, and total resid- ual chlorine are water quality limited. IPLO123354 May 18 2023 STATE OF NORTH CAROLINA COUNTY OF WAKE, COUNTY OF DURHAM Before the undersigned, a Notary Public of Dallas County, Texas, duly commissioned and authorized to administer oaths, affirmations, etc., personally appeared Tara Pennington, who being duly sworn or affirmed, according to law, cloth depose and say that he or she is Accounts Receivable Specialist of the News & Observer Publishing Company, a corporation organized and doing business under the Laws of the State of North Carolina, and publishing a newspaper known as The News & Observer, Wake and State aforesaid, the said newspaper in which such notice, paper, document, or legal advertisement was published was, at the time of each and every such publication, a newspaper meeting all of the requirements and qualifications of Section 1- 597 of the General Statutes of North Carolina and was a qualified newspaper within the meaning of Section 1-597 of the General Statutes of North Carolina, and that as such he or she makes this affidavit; and is familiar with the books, files and business of said corporation and by reference to the files of said publication the attached advertisement for DEPARTMENT OF WATER RESOURCES - RALEIGH was inserted in the aforesaid newspaper on dates as follows: 1 insertion(s) published on: 05/18/23 I certify or declare) under penalty of perjury that the foregoing is true and correct. Ha"tw Notary Public in and for the state of Texas, residing in Dallas County '�"' '• STEPHANIE HATCHER x: •- My Notary ID # 1335YAX* Eorss January 14, 2026 Extra charge for lost or duplicate affidavits. Legal document please do not destroy! DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 Upper Neuse NORTH CAROLINA 2022 303(D) LIST Neuse River Basin AU Name AU Number Classification AU_LengthArea AU —Units AU ID Description UT to Swift Creek (Lake Benson) 27-43-(5.5)bu 2.7 FW Miles 13842 From Source to Lake Benson PARAMETEld IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Benthos (Nar, AL, FW) 115 1IExceeding Criteria Fair, Poor or Severe Bioclassification 2014 Middle Creek 27-43-15-(1) C;NSW 3.0 FW Miles 8190 From 0.8 miles south of US 1 to ut on west of creek 3.0 miles downstream PARAMETEJIIK_ IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR , (Benthos (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 2008 Middle Creek 27-43-15-(1) C;NSW 1.6 FW Miles 8191I (From ut on west isde of creek 3.0 miles downstream to backwaters of Sunset Lake PARAMETER IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Benthos (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 2012 Terrible Creek 27-43-15-8-( 'C;NSW 8212] [From dam at Johnsons Pond to Middle Creek Q FW Miles PARAMETER ' IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Benthos (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification Ellerbe Creek 27-5-(0.3) WS-V;NSW u., FW Miles 8257 From source to 1-85 Bridge PARAMETER IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Fish Community (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 1998 Ellerbe Creek 27-5-(0.7) WS-IV;NSW FW Miles 8258 From 1-85 Bridge to a point 0.2 mile upstream of Durham County SR 1636 PARAMETC IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Fish Community (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 1998 Ellerbe Creek F27-5-(2) WS-IV;NSW,CA 5 FW Miles 8259 FFrom a point 0.2 mile upstream of Durham County SR 1636 to Falls Lake, Neuse River PARAMETER L IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Benthos (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 6/7/2022 NC 2022 303d List- Approved by EPA 4/30/2022 Page 70 of 192 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 Weaver, Charles From: Hayes, Mitch Sent: Monday, April 24, 2023 2:39 PM To: Weaver, Charles Subject: RE: DRAFT permit renewal for NCO061638 OK, then; everything looks good. Mitch Hayes Environmental Specialist 1 3800 Barrett Drive Mail Service Center 1628 Raleigh, NC 27609-1628 919.791.4261 Raleigh Regional Office Regional Operations Section NCDEQ — Division of Water Resources iic DE Q:> NORTH CAROLINA Department of Environmental Quality Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Weaver, Charles <charles.weaver@ncdenr.gov> Sent: Monday, April 24, 2023 2:38 PM To: Hayes, Mitch <mitch. hayes@ncdenr.gov> Subject: RE: DRAFT permit renewal for NCO061638 If they have a boat for U&D sampling, they can check the outfall as they go from the U station to the D station. I think we're OK. Charles H. Weaver Environmental Specialist II Division of Water Resources 919-707-3616 charles.weaver(@ncdenr.gov (mailing address) 1617 Mail Service Center, Raleigh, NC 27699-1617 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 PmaJ eouespondence to and frorrr this address is subject to the Nbilh Caro na Publrc Records Law and may be drsabsed to thrrd parties, From: Hayes, Mitch <mitch. hayes@ncdenr.gov> Sent: Monday, April 24, 2023 2:35 PM To: Weaver, Charles <charles.weaver@ncdenr.gov> Subject: RE: DRAFT permit renewal for NCO061638 Yes, they have been managing to take the U/D samples. They must have a boat. Mitch Hayes Environmental Specialist 1 3800 Barrett Drive Mail Service Center 1628 Raleigh, NC 27609-1628 919.791.4261 Raleigh Regional Office Regional Operations Section NCDEQ — Division of Water Resources 1EE Q�:�> go" "nwnl oI E1WviranrneMal 4m10 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third {parties. From: Weaver, Charles <charles.weaver@ncdenr.gov> Sent: Monday, April 24, 2023 2:33 PM To: Hayes, Mitch <mitch. hayes@ncdenr.gov> Subject: RE: DRAFT permit renewal for NCO061638 They don't need to visit the outfall daily if they can take their effluent samples near the WWTP. However, they do need to perform instream sampling weekly. Can they get the U&D samples despite the beaver dam? Charles H. Weaver Environmental Specialist II Division of Water Resources 919-707-3616 charles.weaver(cDncdenr.gov (mailing address) 1617 Mail Service Center, Raleigh, NC 27699-1617 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 PmaJ eouespondence to and Irvin this address is subject to the North Carob a Publrc Records Law and may be drsabsed to thrrd parties, From: Hayes, Mitch <mitch. hayes@ncdenr.gov> Sent: Monday, April 24, 2023 2:30 PM To: Weaver, Charles <charles.weaver@ncdenr.gov> Subject: RE: DRAFT permit renewal for NCO061638 Charles, I have review the documents you've sent me. Everything looks good. I have one concern though. The right of way to the outfall is flooded from beaver activity. The ORC stated that it is at least 200 yards from the treatment plant to the discharge point. Is it required to see the discharge point daily? If so, they will need some way to access the discharge point. Mitch Mitch Hayes Environmental Specialist 1 3800 Barrett Drive Mail Service Center 1628 Raleigh, NC 27609-1628 919.791.4261 Raleigh Regional Office Regional Operations Section NCDEQ — Division of Water Resources m�' D- E 6ep�a�XITH Q�wNVINIFd 11ta 14 ua I.ty Email corresponderilce to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Weaver, Charles <charles.weaver@ncdenr.gov> Sent: Monday, April 24, 2023 9:56 AM To: Zhang, Cheng <cheng.zhang@ncdenr.gov>; Kinney, Maureen <Maureen.Kinney@ncdenr.gov> Cc: Hayes, Mitch <mitch.haves@ncdenr.gov> Subject: DRAFT permit renewal for NCO061638 This one will go to Notice next month. Send me any comments as time permits. Charles H. Weaver Environmental Specialist II Division of Water Resources DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Carolina Water Service Inc of North Carolina Attn: Tony Konsul, Director of State of Operations 5821 Fairview Road, Ste 401 Charlotte, NC 28209 Subject: Permit Renewal Application No. NCO061638 Amherst Subdivision WWTP Wake County Dear Applicant: NORTH CAROLINA Environmental Quality November 15, 2022 The Water Quality Permitting Section acknowledges the November 7, 2022, 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. cc: Brent Milliron, Compliance Manager ec: WQPS Laserfiche File w/application Sincerely, Wren Th ord Administrative Assistant Water Quality Permitting Section North Carolina Department of Environmental Quaffty I Dtvision of Water Resources Raleigh Regional Office 1 3800 Barren Drive I Raleigh North Carolina 27609 919.791.4200 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 FVV Carolina Water Service V4� of North Carolina November 4, 2022 Wren Thedford Division of Water Resources Water Quality Permitting Section — NPDES Archdale Building — 9`h Floor 512 North Salisbury Street Raleigh, NC 27604 Subject: NPDES Permit Renewal Application Amherst WWTP NPDES NCO061638 Wake County Wren Thedford, Please find the enclosed application as our official request to renew the NPDES permit for the facility referenced above. If you should have any questions or need any additional information, please do not hesitate to contact Tony Konsul (704-576-1685), Stephen Harrell (919-868-4701) or myself. Sincerely, Brent Milliron Regulatory Compliance Manager cc: Tony Konsul — Director of State Operations, CWSNC Stephen Harrell — Area Manager, CWSNC • 5821 Fairview Rd., Suite 401 • Charlotte, North Carolina 28209 • 800-525-7990 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Modified Application Form 2A NCO061638 Amherst WWTP Modified March 2021 Form NC Department of Environmental Quality - Application for NPDES Permit to Discharge Wastewater MINOR SEWAGE FACILITIES (Before completing this form, please read the instructions. Failure to follow NPDES the instructions Miy result in denial of the ap lication. SECTION•N 1.1 INFORMATION FOR i Facility name Amherst WWTP Mailing address (street or P.O. box) PO Box 240908 City or town State ZIP code c Charlotte NC 28224 Contact name (first and last) Title Phone number Email address Tony Konsul Director of Operations (704) 576-1685 tony.konsul@carolinawatersei _ Location address (street, route number, or other specific identifier) ❑ Same as mailing address m u_ 4917 Johnston Pond Road City or town State ZIP code Apex NC 27539 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 0 No 4 SKIP to Item 1.4. Applicant name = 0 Applicant address (street or P.O. box) City or town State ZIP code 0 _ Contact name (first and last) Title Phone number Email address 0- a a 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.) ❑ Facility 21 Applicant ❑ Facility and applicant (they are one and the same) y 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 NCO061638 c ❑ PSD (air emissions) ❑ Nonattainment program (CAA) ❑ NESHAPs (CAA) w rn y Ocean dumping Dredge fill Section Other ❑ (MPRSA) ❑ or (CWA ❑ (specify) w 404) DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Modified Application Form 2A NCO061638 Amherst VVWTP Modified March 2021 1.7 Provide the collections stem information requested below for the treatment works. Municipality Population Collection System Type Status Served Served indicatepercentage)Ownership 100 % separate sanitary sewer 0 Own ElMaintain 128 Connections 320 population % combined storm and sanitary sewer ❑ Own ❑ Maintain ❑ Unknown ❑ Own ❑ Maintain Cn r % separate sanitary sewer ❑ Own ❑ Maintain % combined storm and sanitary sewer ❑ Own ❑ Maintain 7 ❑ Unknown ❑ Own ❑ Maintain 0 % separate sanitary sewer ❑ Own ❑ Maintain CL % combined storm and sanitary sewer ❑ Own ❑ Maintain ❑ Unknown ❑ Own ❑ Maintain d% separate sanitary sewer ❑ Own ❑ Maintain % combined storm and sanitary sewer El Own El Maintain rn a ❑ Unknown ❑ Own ❑ Maintain Total 325 Population c0i Served Separate Sanitary Sewer System Combined Storm and Sanitary Sewer Total percentage of each type of 100 % ° sewer line in miles)�° Is the treatment works located in Indian Country? z 1.8 'o ❑ Yes El No U r- -- Does the facility discharge to a receiving water that flows through Indian Country? 1.9 c ❑ Yes ❑ No 1.10 Provide design and actual flow rates in the designated spaces. Desi n Flow Rate 0.046 mgd Annual Average Flow Rates Actual fA Two Years Ago Last Year This Year c c 0.0180 rngd 0.0164 rngd .016073 mgd c Maximum Daily Flow Rates Actual Two Years Ago Last Year This Year -- 0.017 rngd 0.0270 mgd .024 mgd y 1.11 Provide the total number of effluent discharge points to waters of the State of North Carolina by type. Total Number of Effluent Dischar a Points by Tvpe a c Constructed Combined Sewer Treated Effluent Untreated Effluent Bypasses Emergency Overflows _ Overflows 1 Pace 2 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 T NPDES Permit Number Facility Name Modified Application Form 2A NCO061638 Amherst WWTP 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 Im oundment Location and Dischar a Data Average Daily Volume Continuous or Intermittent Location Discharged to Surface (check one) Impoundment ❑ Continuous gpd ❑ Intermittent ❑ Continuous gpd ❑ Intermittent ElContinuous gpd ❑ Intermittent s 1.14 Is wastewater applied to land? ❑ Yes ❑ No 4 SKIP to Item 1.16. 0 1.15 Provide the land application site and discharge data requested below. H Land Application Site and Discharge Data c c Average Daily Volume Continuous or Im Location Size Applied Intermittent check one acres d gpd ❑ Continuous .0 ❑ Intermittent ❑ Continuous s acres gp d ❑ Intermittent o a acres gpd ❑ Continuous ❑ Intermittent 1.16 Is effluent transported to another facility for treatment prior to discharge? o' ElYes © No 4 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 + SKIP to Item 1.20. 1.19 Provide information on the transporter below. Trans rter 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 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Modified Application Form 2A NCO061638 Amherst WWTP 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 IF cifity Data Facility name Mailing address (street or P.O. box) City or town State ZIP code 0 U o Contact name (first and last) Title 0 Phone number Email address 0 NPDES number of receiving facility (if any) ElNone Average daily flow rate mgd N 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 not have outlets to waters of the State of North Carolina (e.g., underground percolation, underground injection)? c ❑ Yes ❑ No 4 SKIP to Item 1.23. s U 0 1.22 Provide information in the table below on these other disposal methods. Information on Other Dis osal Methods o Disposal Location of Size of Annual Average Continuous or Intermittent Method Disposal Site Disposal Site Daily Discharge (check one) Descntion Volume —' ❑ Continuous acres gpd ❑ Intermittent O ❑ Continuous acres gpd ❑ Intermittent acres d I] Continuous gp ❑ 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. Consult with your NPDES permitting authority to determine what information needs to be submitted and when.) El El into marine waters (CWA ElWater quality related effluent limitation (CWA Section D 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 4SKIP to Section 2. 1.25 Provide location and contact information for each contractor in addition to a description of the contractor's operational and maintenance responsibilities. Contractor Information Contractor 1 Contractor 2 Contractor 3 0 Contractor name (company name Mailing address street or P.O. box `0 City, state, and ZIP code Contact name (first and o U last Phone number Email address Operational and maintenance responsibilities of contractor Page 4 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Modified Application Form 2A NC0061638 Amherst W WTP Modified March 2021 SECTIONDD• •• • i c 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 o ElYes ❑✓ No 4 SKIP to Section 3. c 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. v c 0 0 c 2.3 Have you attached a topographic map to this application that contains all the required information? (See instructions for M C specific requirements.) 0 0 0 0 El Yes ❑ No E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information? i° c (See instructions for specific requirements.) _ Im `l c ❑ Yes ❑ No 2.5 Are improvements to the facility scheduled? ❑ Yes ❑ No 4 SKIP to Section 3. 0 Briefly list and describe the scheduled improvements. R 1. c d E a E 2. 0 0 H d 3. -0 L N 4. 2.6 Provide scheduled or actual dates of completion for improvements. Scheduled or Actual Dates of Com letion for Im rovements E Scheduled Affected Begin End Begin Attainment of 0 Improvement Outfalls Construction Construction Discharge Operational 0- E (from above) (list outfall number)_ (MM/DD/YYYY) (MM/DD/YYYY) (MM/DD/YYYY) Level MMIDD/YYYY d v d - L 2. in 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: DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Modified Application Form 2A NCO061638 Amherst WWTP Modified March 2021 SECTION• • • i Provide the following information for each outfall. (Attach additional sheets if you have more than three outfalls.) 3.1 Outfall Number 001 Outfall Number Outfall Number State NC M Wake County O 0 City or town Apex c Distance from shore o ft. L d Depth below surface o ft. ft. ft. 0 Average daily flow rate .016073 mgd mgd mgd Latitude 35' 39 37" N Longitude 78 41 59" w " 3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges? o ❑ Yes ✓❑ No + SKIP to Item 3.4. C 3.3 If so, provide the following information for each applicable outfall. s y Outfall Number — Outfall Number - Outfall Number O Number of times per year discharge occurs a Average duration of each o discharge (specify units _ c Average flow of each mgd mgd mgd h discharge 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. m 3.5 Briefly describe the diffuser type at each applicable outfall. a Outfall Number Outfall Number Outfall Number _ d N - 0 ° vi 3.6 Does the treatment works discharge or plan to discharge wastewater to waters of the State of North Carolina from In =j one or more discharge points? 9 w ❑r Yes ❑ No +SKIP to Section 6. Page 6 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Modified Application Form 2A NCO061638 Amherst WWTP Modified March 2021 3.7 Provide the receiving water and related information if known for each outfall. Outfall Number 001 Outfall Number Outfall Number Receiving water name Middle Creek Name of watershed, river, Neuse or stream system U.S. Soil Conservation Service 14-digit watershed 030202010901 code Name of state Neuse management/river basin U.S. Geological Survey 8-digit hydrologic 03020201 cataloging unit code Critical low flow (acute) cfs Critical low flow (chronic) cfs Total hardness at critical mg/L of low flow CaCO3 3.8 Provide the following information describing the treatment Outfall Number 001 Highest Level of ❑ Primary Treatment (check all that ❑ Equivalent to apply per outfall) secondary I] Secondary ❑ Advanced ❑ Other (specify) cfs cfs cfs cfs mg/L of mg/L of CaCO3 CaCO3 Tided for discharges from each outfall. Outfall Number Outfall Number ❑ Primary ❑ Primary ❑ Equivalent to ❑ Equivalent to secondary secondary ❑ Secondary ❑ Secondary ❑ Advanced ❑ Advanced ❑ Other (specify) ❑ Other (specify) Design Removal Rates by Outfall BODs or CBODs % % % TSS % % % ❑ Not applicable ❑ Not applicable ❑ Not applicable Phosphorus % % % ❑ Not applicable ❑ Not applicable ❑ Not applicable Nitrogen % % % Other (specify) ❑ Not applicable ❑ Not applicable ❑ Not applicable Page 7 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Modified Application Form 2A NCO061638 Amherst WWTP 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. Dual hypochlorinator and dechlorinator both used. v m _ c c o-------- -- c Outfall Number 001 Outfall Number Outfall Number o a Disinfection type Chlonne _ U N d O Seasons used _ All - E M d Dechlorination used? ❑ Not applicable ❑ Not applicable ❑ Not applicable 0 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? 0 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 ::Ac=uteChronic Acute Chronic Acute Chronic M Y Number of tests of discharge rn water Number of tests of receiving water a) Uj 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 0 No additional sampling required by NPDES permitting authority. Page 8 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Modified Application Form 2A NCO061638 Amherst WWTP 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? ❑ Yes ❑ No + 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? ❑ Yes ❑ No + Provide results in Table E and SKIP to Item 3.26. 3.21 Indicate the dates the data were submitted to our NPDES permitting authority and provide a summary of the results. Date(s) Submitted Summary of Results M/DD 72 c c 0 � 3.22 Regardless of how you provided our WET testing data to the NPDES permitting authority, did an of the tests result in 9 Y P Y 9 P 9 Y. Y $ toxicity? °D c a ❑ Yes ❑ No -* SKIP to Item 3.26. 3.23 Describe the cause(s) of the toxicity: m 0 W 3.24 Has the treatment works conducted a toxicity reduction evaluation? ❑ Yes ❑ No + 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? ❑ Yes ❑ Not applicable because previously submitted information to the NPDES permitting authority. Page 9 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Modified Application Form 2A NC0061638 Amherst WWTP Modified March 2021 SECTION• In Column 1 below, mark the sections of Form 2A that you have completed and are submitting with your application. For 6.1 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 21 Section 1: Basic Application w/ variance request(s) Elw/additional attachments Informationforfor All A licants ❑ Section 2: Additional 0 w/ topographic map ❑ w/ process flow diagram Information ❑ w/ additional attachments ✓❑ w/ Table A ❑ w/ Table D Section 3: Information on ✓❑ w/ Table B ❑ wl additional attachments Effluent Discharges ❑ w/ Table C Section 4: Not Applicable c 0 Section 5: Not Applicable Section 6: Checklist and 0 ❑ w/ attachments Certification Statement 6.2 Certification Statement v I 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 'x �Rk�bR ��>t►h Signature Date signed kkIAA 2. Page 10 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 NPDES Permit Number Facility Name Outfall Number NCO061638 Amherst WWTP 001 Modified Application Form 2A Modified March 2021 Pollutant Maximum Daily Discharge Average Daily Discharge Analytical Method' MIL or MDL (include units) Value Units Value Units Numbers Samples Biochemical oxygen demand a BOD5 or ❑ CBOD5 (report one 5.8 mg/L 1.137 rng/L 2.643 ml 52 SM 52 Colilert 5210 B-2011 18 2.0 mg/I El ML El MDL 1 MPN/101 O MDL Fecal coliform 690 ml Design flow rate .024 MGD .016 MGD 365 pH (minimum) 7.342 STD Units pH (maximum) 9.48 STD Units Temperature (winter) 17 C 16.333 C 64 Temperature (summer) 27 C 24.833 C 131 Total suspended solids (TSS) 3.5 mg/L 193 mg/L 52 SM 2540D-2015 2.5 mg/I O MDL ' 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 DocuSign Envelope ID: AAOA8B89-7843-4ADB-9A7C-58BC677FAEC2 EPA Identification Number NPDES Permit Number Facility Name NCO061638 Amherst WWTP Outtall Number Modified Application Forth 2A 001 Modified March 2021 • • • •%telIc 1 • Maximum Daily Discharge Average Daily Discharge Analytical NIL or MDL Value Units Value Units Number of Pollutant Method' include units ( ) Samples EPA 350.1 Ammonia (as N) .250 mg/L .037 mg/L 52 0.045 mg/I 0 MDL Chlorine total residual, TRC 2 0 mg/L 0 mg/L 104 SM4500 G-2011 IOWJL [IML ❑ MDL Dissolved oxygen 14.6 mg/L 7.867 mg/L 52 SM4500 0 G-2016 > 5.0 mg/I 0 ML ❑ MDL Nitrate/nitrite 20 mg/L 11.756 mg/L 104 EPA 353.2 0.41mg/I DMIL 0 MDL Kjeldahl nitrogen 6.8 mg/L 1.436 mg/L 104 EPA 351.2 0.26 mg/I DMIL 0 MDL Oil and grease N/A N/A DMIL ❑ MDL Phosphorus 7.9 mg/L 6.033 mg/L 104 EPA 365.4 0.12mg/I 0 MIL 0 MDL Total dissolved solids N/A N/A ❑ ML ❑ MDL ' 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