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Home My WebLink AboutNC0064378_fact sheet_20230703DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 FACT SHEET FOR EXPEDITED PERMIT RENEWALS This form must be completed by Permit Writers for all expedited permits which do not require full Fact Sheets. Expedited permits are generally simple 100% domestics (e.g., schools, mobile home parks, etc.) that can be administratively renewed with minor changes but can include facilities with more complex issues (Special Conditions, 303(d) listed water, toxicity testing, instream monitoring, compliance concerns). Basic Information for Expedited Permit Renewals Permit Writer/Date Charles H. Weaver — 7/3/2023 Permit Number NCO064378 Facility Name Willowbrook WWTP Basin Name/Sub-basin number Neuse / 03-04-02 Receiving Stream UT to Beddin field Creek Stream Classification in Permit C-NSW Does permit need Daily Max NH3 limits? Limits at 0.03 MGD flow phase will convert to toxicity -based limits in January 2028, as per 2016 NH3 guidance. Limits at 0.06 MGD are already at BAT. Does permit need TRC limits/language? No — already resent Does permit have toxicity testing? Removed at this renewal due to reduction in NH3 limits at 0.03 MGD]. Does permit have Special Conditions? Neuse special conditions Does permit have instream monitoring? Dissolved oxygen and temperature Is the stream impaired (on 303(d) list)? For whatparameter? Stream segment has been on 303 (d) list since 2014 for Benthos Any obvious compliance concerns? No enforcements since 2018. Five NOVs during this permit cycle. Any permit mods since lastpermit? No New expiration date 3/31/2028 Changes to Draft Permit? ➢ Added BAT NH3 limits for 0.03 MGD flow phase and deleted toxicity testing, as per 2016 NH3 guidance. ➢ Updated eDMR language ➢ Added Neuse modeling reopener Changes to final permit? ➢ None DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 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: 293EBC8F-36AB-48DA-8187-C745481854E5 NORTH CAROLINA 2022 303(D) LIST Upper Neuse Neuse River Basin AU Name AU Number Classification AU_LengthArea AU —Units AU ID Description Beddingfield Creek 27-37 C;NSW 3.7 FW Miles 8158 From source to Neuse River PARAMETEM IR CATEGORY CRITERIA STATUS T REASON FOR RATING 303D YEAR Benthos (Nar, AL, FW) 115 1IExceeding Criteria Fair, Poor or Severe Bioclassification 2014 Marks Creek (Lake Myra) 27-38 C;NSW 10.3 FW Miles 8163 From soruce to Neuse River PARAMETEJM IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR IBenthos (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 2022 Knap of Reeds Creek 27-4-(6)--� WS-IV;NSW I F 5.6 FW Miles 8169 From dam at Lake Butner to a point 1.9 miles downstream of Granville County SR 1120 PARAMETER IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Zinc (50 µg/I, AL, FW) 5 Exceeding Criteria Legacy Category 5 Total Metals 2008 Assessment Knap of Reeds Creek 27-4-(8) WS-IV;NSW,CA 0.6 FW Miles 8170 From a point 1.9 miles downstream of Granville County SR 1120 to Falls Lake, Neuse River PARAMETER _ IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Benthos (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 1998 Swift Creek 27-437 1)b WS-III;NSW 5.5 FW Mi eslesl 81771 [From confluence with Williams Creek to backwaters of Lake Wheeler (0.5 miles upstream of Penny Road 1379) PARAMETER a IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Fish Community (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 2018 Swift Creek 27-43-(1)d WS-III;NSW 2.4 FW Miles 8179 From Lake Wheeler Dam to a point 0.6 mile upstream of Wake County SR 1006 PARAMETER IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Benthos (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 2008 Swift Creek (Lake Benson) I27-43-(5.5)a IWS-III;NSW,CA 0.9 FW Miles 8182 From a point 0.6 mile upstream of Wake County SR 1006 to backwaters of Lake Benson PARAMETER F IR CATEGORY CRITERIA STATUS REASON FOR RATING 303D YEAR Benthos (Nar, AL, FW) 5 Exceeding Criteria Fair, Poor or Severe Bioclassification 2008 6/7/2022 NC 2022 303d List- Approved by EPA 4/30/2022 Page 69 of 192 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 wnole tttluent I oxlclty I esting ana �>elr Ivlonitoring Summary CWS The Harbour Well #4 WTP NCO086606/001 County: Iredell Ceri7dPF Begin: 10/1/2013 Chr Qtr Monit 90% NonComp: J F M A M 2019 - - Fail - - 2020 - - Fail - - 2021 - - Fail - - 2022 - - Fail - - CWS The Point WTP - Well # 1 NCO086592/001 County: Iredell Ceri7dPF Begin: 10/1/2013 Chr Monit: 90% NonComp: J F M A M 2019 - - Fail - - 2020 - - Fail - - 2021 - - Fail - - 2022 - - Fail - - CWS Willowbrook NCO064378/001 County: Wake Ceri7dPF Begin: 5/1/2018 chr lim: 90% @ 0.03 NonComp: Single J F M A M 2019 Pass - - Pass - 2020 Pass - - Pass - 2021 Pass - - Pass - 2022 Pass - - Pass - 2023 Pass - - - - Daikin Applied-AAF/McQuay, Inc. NCO083658/001 County: New Hanover Ceri7dPF Begin: 5/1/2012 chr lim: 90% NonComp: Single J F M A M 2019 - Pass - - Pass 2020 - Pass - - Pass 2021 - Pass - - Pass 2022 - Pass - - Pass 2023 - Pass - - - DAK Americas, LLC - Cedar Creek Site NC0003719/002 County: Cumberland Fthd24PF Begin: 8/1/2018 24hr p/f ac lim: 90%f + NonComp: Single J F M A M 2019 - Fail Fail Fail Fail 2020 - Pass - - Pass 2021 - Pass - - Pass 2022 - Pass - - Pass 2023 - Pass - - - Region: MRO Basin: CTB32 Mar Jun Sep Dec SOC JOC: 7Q10: PF: NA IWC: Freq: Q J J A S O N Fail - - Fail - Fail - - Fail - Fail - - Fail - Fail - - Fail - Region: MRO Basin: CTB32 Mar Jun Sep Dec 7Q10: PF: NA IWC: Freq: Q J J A S O Fail - - Fail - Fail - - Fail - Fail - - Fail - Fail H Region: RRO Basin: NEU02 Jan Apr Jul Oct 7Q10: 0.0 PF: 0.030 IWC: 100.0 Freq: Q J J A S O - Pass - - Pass - Pass - - Pass - Pass - - Pass - Pass - - Pass Region: WIRO Basin: CPF17 Feb May Aug Nov 7Q10: 0.0 PF: 0.36 IWC: 100 Freq: Q J J A S O Pass - Pass H Pass Pass Region: FRO Feb May Aug Nov Basin: CPF15 7Q10: 791.0 PF: 0.5 IWC: 0.1 Freq: 1xQ J J A S O Pass - Pass - - Pass Pass Pass SOC JOC: N SOC JOC: N SOC JOC: N Pass Pass Pass Pass SOC JOC: N Pass Pass Pass Pass D Fail Fail Fail H D Fail Fail Fail H C D C Leeend: P= Fathead minnow (Pimohales oromelas). H=No Flow (facilitv is active). s = Solit test between Certified Labs Page 29 of 112 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 ROY COOPER Governor ELIZABETH S. BISER Secretory RICHARD E. ROGERS, JR. Director Carolina Water Service Inc of North Carolina Attn: Dana Hill, Director of Operations 4944 Parkway Plaza Blvd, Ste 375 Charlotte, NC 28217 Subject: Permit Renewal Application No. NCO064378 Willowbrook WWTP Wake County Dear Applicant: NORTH CAROLINA Environmental Quality August 25, 2022 The Water Quality Permitting Section acknowledges the August 25, 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. 15OB-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-CWSNC ec: WQPS Laserfiche File w/application Sincerely, yti� Wren Thedford Administrative Assistant Water Quality Permitting Section North Carolina Department of Environmental Quality I Division of Water Resources ,/ Raleigh Regional Office 13800 Barrett Drive I Raleigh. North Carolina 27609 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 � W Carolina Water Service Nl� of North Carolina"" August 23, 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 Willowbrook Subdivision WWTP NPDES NCO064378 Wake County Wren Thedford, RECEIVED A U G 2 5 2022 KDENWRAPDES 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 Dana Hill (252-269-2540), Stephen Harrell (919-868-4701) or myself. Sincerely, A� 4ff'k--L Brent Milliron Regulatory Compliance Manager cc: Dana Hill — Director of State Operations, CWSNC Stephen Harrell — Area Manager, CWSNC • 4944 Parkway Plaza Blvd. Suite 375 • Charlotte, North Carolina 28217 • 800-525-7990 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 NPDES Permit Number Facility Name Modified Application Form 2A NCO064378 Willowbrook Subdivision 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 mpy result in denial of the a lication. SECTION•N INFORMATION FOR Facility name 1.1 Willowbrook Subdivision 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 w Dana Hill Director of Operations (252) 269-2540 dana.hill @carolinawaterservic c _ Location address (street, route number, or other specific identifier) ❑ Same as mailing address m LL 3623 Willow Tree Lane City or town State ZIP code Clayton NC 27520 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 SKIP to Item 1.4. Applicant name Carolina Water Service Inc. of North Carolina Applicant address (street or P.O. box) PO Box 240908 € State ZIP City or town code c Charlotte NC 28224 Contact name (first and last) Title Phone number Email address Q Dana Hill Director of Operations (252) 269-2540 dana.hill@carolinawaterservic n a 1.4 Is the applicant the facility's owner, operator, or both? (Check only one response.) 21 Owner ❑ Operator ❑ Both 1.5 To which entity should the NPDES permitting authority send correspondence? (Check only one response.) ❑ Facility ❑✓ 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 w number for each. aExisting Environmental P•rmib ✓❑ NPDES (discharges to surface ❑ RCRA (hazardous waste) ❑ UIC (underground injection water) control) E NCO064378 ❑ PSD (air emissions) ❑ Nonattainment program (CAA) ❑ NESHAPs (CAA) c LU rn y ❑ Ocean dumping (MPRSA) ❑ Dredge or fill (CWA Section ❑ Other (specify) w 404) Page 1 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 it 0 � I a 0 a v I c �o E CD Cn N >+ c 0 U d 0 U NPDES Permit Number Facility Name Modified Application Forth 2A NCO064378 Willowbrook Subdivision WWTP 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 ID Own ❑ Maintain connections; -42 2 population % sanitary combined storm and sanita sewer El Own 1-1 Maintain^'42 ❑ Unknown ❑ Own ❑ Maintain _ % separate sanitary sewer ❑ Own ❑ Maintain % combined storm and sanitary sewer ❑ Own ❑ Maintain ❑ Unknown ❑ Own ❑ Maintain % separate sanitary sewer ❑ Own ❑ Maintain % combined storm and sanitary sewer ❑ Own ❑ Maintain ❑ Unknown ❑ Own ❑ Maintain % separate sanitary sewer ❑ Own ❑ Maintain % combined stone and sanitary sewer ❑ Own ❑ Maintain ❑ Unknown ❑ Own ❑ Maintain Total 422 Population Served Separate Sanitary Sewer System Total percentage of each type of 100 % sewer line in miles 1.8 Is the treatment works located in Indian Country? ❑ Yes 0 No 1.9 Does the facility discharge to a receiving water that flows through Indian Country? ❑ Yes 0 No 1.10 1 Provide design and actual flow rates in the designated spaces Annual Avera a Flow Rates Actuc Two Years Ago Last Year 014 mgd 1 .015 mgd Combined Storm and Sanitary Sewer Maximum Daily Flow Rates Actual Two Years Ago Last Year .048 mgd .039 mgd 1 11 Provide the total number of effluent dischar a points to waters of the State of North Carolina Design Flow Rate 03 mgd This Year 013 mgd This Year o1s mgd Total Number of Effluent Discharge Points by Type a a. Constructed _ Treated Effluent Untreated Effluent Combined SewerOverflows Bypasses Overflows Pace 2 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 NPDES Permit Number Facility Name Modified Application Form 2A NCO064378 Willowbrook Subdivision 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 -* 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 w 1.14 Is wastewater applied to land? ❑ Yes No 4 SKIP to Item 1.16. c 1.15 Provide the land application site and discharge data requested below. y Land Application Site and Discharge Data c c Average Daily Volume Continuous or d Location Size A tied PP Intermittent check one acres gpd El c ❑ Intermittent acres gpd ElContinuous ❑ Intermittent acres d gpd El 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 4 SKIP to Item 1.20. 1.19 Provide information on the transporter below. Trans orter 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 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 NPDES Permit Number Facility Name Modified Application Form 2A NCO064378 Willowbrook Subdivision 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 F cility Data 0 Facility name Mailing address (street or P.O. box) a City or town State ZIP code 0 Contact name (first and last) Title 0 d Phone number Email address c NPDES number of receiving facility (if any) ElNone Average daily flow rate mgd a N o 1.21 Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do 0 not have outlets to waters of the State of North Carolina (e.g., underground percolation, underground injection)? M ❑ Yes ❑ No 4 SKIP to Item 1.23. L V 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) 0 Description Volume acres gpd ❑ Continuous ❑ Intermittent ❑ Continuous acres gpd ❑ Intermittent acres gpd ElContinuous ❑ 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. d r Consult with your NPDES permitting authority to determine what information needs to be submitted and when.) M Discharges into marine waters (CWA Water quality related effluent limitation (CWA Section ❑ ❑ 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 contractor's operational and maintenance responsibilities. Contractor Information Contractor 1 Contractor 2 Contractor 3 c Contractor name M (company name Mailing address o street or P.O. box o City, state, and ZIP code cContact name (first and 0 last Phone number Email address Operational and maintenance responsibilities of contractor Page 4 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 NPDES Permit Number Facility Name Modified Application Form 2A --L� NCO064378 Willowbrook Subdivision WWTP Modified March 2021 SECTION•D• •- • 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? 0 0 Yes ❑ 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. .02 9Pd Indicate the steps the facility is taking to minimize inflow and infiltration. Reported volume based on maximum daily flows. Manholes are inspected regularly to detect flow variations and suspect 3 areas are inspected with CCTV with repairs scheduled accordingly. 0 w c z 2.3 Have you attached a topographic map to this application that contains all the required information? (See instructions for E specific requirements.) C 0 Co ❑✓ Yes ❑ No E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information? c I° (See instructions for specific requirements.) _ w u_ A o ❑✓ 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 c d � E a. 2. E 0 y 3. a w 4. 2.6 Provide scheduled or actual dates of completion for improvements. Scheduled or Actual Dates of Completion for Improvements d > Scheduled Affected Outfalls Begin End Begin Attainment of Operational o 0. Improvement l (list outanumber) Construction Construction Discharge Level E (from above) ) (MM/DD/YYYY) (MM/DDIYYYY) (MM/DD/YYYY) MM/DD/YYYY d d t in 2. 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 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 NPDES Permit Number Facility Name Modified Application Form 2A NCO064378 Willowbrook Subdivision WWTP Modified March 2021 SECTION•R • ON i for each outfall. (Attach additional sheets if you have more than three outfalls.) 3.1 Provide the following information Outfall Number 001 Outfall Number Outfall Number State NC 2 �v County Wake o 0 City or town Clayton Distance from shore 0 ft. n Depth below surface 0 ft. ft. ft. 0 Average daily flow rate .014 mgd mgd mgd Latitude 3.7 40 51.5?' N ° Longitude lit° 2Y 57.9r W 3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges? �o o ❑ Yes ❑ No -* SKIP to Item 3.4. d 3.3 If so, provide the following information for each applicable outfall. H Outfall Number Outfall Number Outfall Number a Number of times per year discharge occurs a Average duration of each _ `0 discharge (specify units cAverage flow of each mgd mgd mgd discharge Months in which discharge occurs 3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser? ❑ Yes 0 No 4 SKIP to Item 3.6. d 3.5 Briefly describe the diffuser type at each applicable outfall. a ~ d Outfall Number Outfall Number Outfall Number o � r 0 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? 3 w ❑✓ Yes ❑ No 4SKIP to Section 6. Page 6 r DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 NPDES Permit Number Facility Name Modified Application Form 2A NCO064378 Willowbrook Subdivision 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 Unnamed tributary to Beddin Name of watershed, river, Neuse River Basin or stream system U.S. Soil Conservation Service 14-digit watershed 030202011103 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 0 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 BOD5 or CBOD5 85 % % % TSS 85 % % % 0 Not applicable ❑ Not applicable ❑ Not applicable Phosphorus % % % 0 Not applicable ❑ Not applicable ❑ Not applicable Nitrogen /o ° ° /o ° /o Other (specify) 0 Not applicable ❑ Not applicable ❑ Not applicable Page 7 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 NPDES Permit Number Facility Name Modified Application Form 2A NCO064378 Willowbrook Subdivision 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. UV- primary disinfection Chlorination / Dichlorination as emergency backup c .c o --- c Outfall Number 001 Outfall Number Outfall Number Disinfection type UV with C12 backup Q 0 = Seasons used All d E 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? Q 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 R is Number of tests of discharge rn water j F Number of tests of receiving water d 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 + 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? No additional sampling required by NPDES ❑✓ Yes ❑ permitting authority. Page 8 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 --T NPDES Permit Number Facility Name Modified Application Form 2A NCO064378 Willowbrook Subdivision WWfP 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 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 c 0 R 3.22 Regardless of how you provided your WET testing data to the NPDES permitting authority, did any of the tests result in o toxicity? ❑ Yes ❑ No 4 SKIP to Item 3.26. d 3.23 Describe the cause(s) of the toxicity: c m 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? ❑ Yes Z Not applicable because previously submitted information to the NPDES permitting authori il Page 9 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 NPDES Permit Number Facility Name Modified Application Form 2A NCO064378 Willowbrook Subdivision WWTP Modified March 2021 SECTION• I F 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 ID Section 1: Basic Application w/ variance request(s) ❑ wl additional attachments Informationforfor All A licants Section 2: Additional ✓❑ wl topographic map w/ process flow diagram Information ❑ w/ additional attachments ❑r w/ Table A w/ Table D a Section 3: Information on 0 wl Table B ❑ w/ additional attachments Effluent Discharges ❑ w/ Table C Section 4: Not Applicable 0 Section 5: Not Applicable m ca A Section 6: Checklist and 0 ❑ wl attachments Certification Statement Y 6.2 Certification Statement 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 Dana Hill Director of Operations Signature Date signed n...o�� i.�u..a�aur aw...rt Dana Hill ON C•UB O CWHNL CN•Dn� ENn� 100tlFw tlens wncca o.�-.1191I::so-s W Fa GOF Etlllar V�flFn: 11 I.1 07/19/2022 Page 10 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 NPDES Permit Number Facility Name Outfall Number NCO064378 Willowbrook Subdivision WWTP 001 Modified Application Form 2A Modified March 2021 Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Pollutant Value Units Number of Methods Value Units Include units ( ) Samples Biochemical oxygen demand Ei BOD5 or ❑ CBOD5 17 mg/I 3.9 mg/I 52 SM5210 B-2011 29/15 mg/ O MIL ❑ MDL (report one /100 ml MGD 1.8 .014 /100 ml MGD 52 Colilert 18 400/100 rr ❑ ML fJ MDL 365 Fecal coliform 2419 Design flow rate .03 pH (minimum) 6.4 Su pH (maximum) 7 Su Temperature (winter) 17 degrees C 12 degrees C 60 Temperature (summer) 26 degrees C 23 degrees C 60 Total suspended solids (TSS) 19 mg/I 4.8 mg/I 52 SM2540 D-2015 45 mg/I 17 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 DocuSign Envelope ID: 293EBC8F-36AB-48DA-8187-C745481854E5 EPA Identification Number NPDES Permit Number Facility Name Outtall Number NCO064378 Willowbrook Subdivision WWTP 001 Modified Application Form 2A Modified March 2021 •• •• • • • •' t 111 pi Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Value Units Value Units Number of Pollutant Method' (include units) Samples Ammonia (as N) 20 _ _ mg/1 _ 1.77 mg/1 52 EPa 350.1 35 mg/1 0 MIL O MDL Chlorine N/A N/A N/A N/A N/A ❑ MIL 17 ug/I residual, TRC s O MDL Dissolved oxygen 10.6 mg/I 8.1 mg/I 52 SM450O O G-2016 >5 mg/I DMIL 2 MDL Nitrate/nitrite 8.88 mg/I 3.09 mg/I 52 EPA 353.2 MR DMIL ❑ MDL Kjeldahl nitrogen 8.53 mg/1 3.94 mg/I 52 EPA351.2 MR El MIL ❑ MDL Oil and grease N/A N/A N/A N/A N/A N/A DMIL ❑ MDL Phosphorus 5.95 mg/I 3.7 mg/I 24 EPA 365.4 MR ❑ MDL Total dissolved solids N/A N/A N/A N/A 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