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NC0062481_Renewal (Application)_20241007
ROY COOPER Governor MARY PENNY KELLEY Sn tary RICHARD E. ROGERS, JR Dhw w Wesley Bishop Aqua North Carolina Inc 202 Mackenan Ct Cary, NC 27511 Subject: Permit Renewal Application No. NCO062481 Mallard Head WWTP Iredell County Dear Applicant: NORTH CAROLINA Environmental Quality October 07, 2024 The Water Quality Permitting Section acknowledges the October 7, 2024 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://www.dea-nc.gov/permits-rules/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, Cynthia Demery Administrative Assistant Water Quality Permitting Section ec: WQPS Laserfiche File w/application D- 6foortNo hGmkna Departs m&Emhonm ]Qualhy I DlvWwd Wawa ources sAlk Reglonal Ml C 1610 EonAvenue,S IRM 16400rtfMlk. North Urvllna 2816 wn� 70C.663.16 AQUA. *Essential Utilities Company October 2, 2024 RECEIVED Division of Water Resources Water Quality Permitting Section - NPDES OC ( 0 7 2024 1617 Mail Service Center Raleigh, North Carolina 27699-1617 NCDEQ/DWR/NPDES Re: Application for Permit Renewal Aqua North Carolina, Inc. Mallard Head Condos WWTP NPDES No. NC0062481 Iredell County To Whom It May Concern: Enclosed are three (3) copies of the completed application Form 2A and necessary attachments for your office to renew the subject permit. Should you need any additional information or assistance, please feel free to contact me via phone at (919) 653-6999 or by email at BMilliron@aquaamerica.com. Sincerely, Brent Milliron Environmental Compliance Director Aqua North Carolina, Inc. Enc: NPDES Application, Form 2A w/ attachments Mallard Head Condos NC0062481 NPDES Permit Cc: Shannon Becker, President, Aqua North Carolina Lori Lester, Environmental Compliance Specialist 1 202 MacKenan Court, Cary, NC, 27511 • 919.467.8712 • AquaAmerica.com NPDES Permit Number Facility Name Modified Application Forth 2A NC000062481 Mallard Head Condos 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 mav result in denial of the ap Iication. SECTION•N INFORMATION FOR. Facility nameMallard Head Subdivision WWTP Mailing address (street or P.O. box) 0CT 7 -i T1.1im. 1112 Mallard Head Lane City or town State ZIP code Mooresville NC NCDDWR/NPD Contact name (first and last) Title Phone number Email address Brent Milliron Envir. Compliance Director (814) 312-5628 BMilliron@aquaamerica.com c Location address (street, route number, or other specific identifier) Same as mailing address A LL City or town State ZIP code 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 Aqua North Carolina Applicant address (street or P.O. box) a .q 202 MacKenan Court a City or town State ZIP code Cary NC 27511 0 Contact name (first and last) Titie Phone number Email address c Brent Milliron Envir. Compliance Director (919) 653-6999 BMilliron@aquaamerica.com 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 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 9 number for each. € Exkting Environmental Permits IL 0 NPDES (discharges to surface ❑ RCRA (hazardous waste) ❑ UIC (underground injection �° s water) control ) E NC000062481 ❑ PSD (air emissions) ❑ Nonattainment program (CAA) ❑ NESHAPs (CAA) c W cn y ❑ Ocean dumping (MPRSA) ❑ Dredge or fill (CWA Section ❑ Other (specify) 404) ru Page 1 -S NPDES Permit Number Facility Name Modified Application Form 2A NC000062481 Mallard Head Condos WWTP Modified March 2021 1.7 Provide the collections stem information requested below for the treatment works. Municipality Population Collection System Type Ownership Status Served Served indicate pares to e Mooresville, NC 40 100 % separate sanitary sewer 0 Own ❑ Maintain Z% 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 0 % separate sanitary sewer ❑ Own ❑ Maintain % combined storm and sanitary sewer ❑ Own ❑ Maintain E ❑ Unknown ❑ Own ❑ Maintain d % separate sanitary sewer ❑ Own ❑ Maintain °h combined storm and sanitary sewer [I Own ❑ Maintain rn ❑ Unknown ❑ Own ❑ Maintain Total ao ° Population U Served Separate Sanitary Sewer System Combined Storm andSanitary Sewer Total percentage of each type of 100 % % sewer line in miles 1.8 Is the treatment works located in Indian Country? o ❑ Yes ❑r No U 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 0.015 mgd = Annual Average Flow Rates(Actual) N a Two Years Ago Last Year This Year a � c o 0.0011 mgd 0.0011 mgd 0.002 mgd �LL d Maximum Daily Flow Rates Actual Two Years Ago Last Year This Year 0.011 mgd 0.011 mgd 0.011 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 Discharge Points by Type a Combined Sewer Constructed � a Treated Effluent Untreated Effluent Overflows Bypasses Emergency 0 a Overflows 51 C 1 Page 2 NPDES Permit Number Facility Name Modified Appl adlon Form 2A NC000062481 Mallard Head Condos 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 oundmerd Location and Discharge Data Average Daily Volume Continuous or Intermittent Location Discharged to Surface (check one) Impoundment ❑ Continuous gpd ❑ Intermittent ❑ Continuous gpd ❑ Intermittent gpd ❑ Continuous a ❑ Intermittent v t 1.14 Is wastewater applied to land? ❑ Yes ❑✓ No 4 SKIP to Item 1.16. 1.15 Provide the land application site and discharge data requested below. Land Application Site and Discharge Data o Average Daily Volume Continuous or 01 Location Size Applied Intermittent LM check one acres d gpd ❑ Continuous o ❑ Intermittent ❑ Continuous t o acres gpd❑ Intermittent acres d gpd ❑ Continuous ❑ Intermittent 1.16 Is effluent transported to another facility for treatment prior to discharge? a ❑ Yes ✓❑ 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. Transrter 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 NC000062481 Mallard Head Condos 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 Ility Data Facility name Mailing address (street or P.O. box) m City or town State ZIP code 0 U Contact name (first and last) Title 0 d Phone number Email address aNPDES number of receiving facility (if any) ❑ None Average daily flow rate mgd N 1.21 Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do anot have outlets to waters of the State of North Carolina (e.g., underground percolation, underground injection)? t ❑ Yes ❑✓ No 4 SKIP to Item 1.23. U 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) A Description Volume acres gpd ❑ Continuous ❑ Intermittent 0 ❑ Continuous acres gpd ❑ Intermittent acres gpd! ❑ 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. 8 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 ❑ ❑ 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 ❑r 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 o Contractor name A (company name E Mailing address street or P.O. box) `o City, state, and ZIP code Contact name (first and c0i Iasi Phone number Email address Operational and maintenance responsibilities of contractor Page 4 NPDES Permit Number Facility Name Modified Application Form 2A NC000062481 Mallard Head Condos WWTP Modified March 2021 SECTION 2. ADDITIONAL INFORMATION (40 CFR 122.210)(1) and (2)) e 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? o ❑ Yes ❑✓ No 4 SKIP to Section 3. = 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. a _ A 3 0 c t 2.3 Have you attached a topographic map to this application that contains all the required information? (See instructions for f2 a rr specific requirements.) o � 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 0 (See instructions for specific requirements.) _ rn LL N 'c ❑✓ 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 1. c m E n 2. E 0 3. v m u 4. Go v 2.6 Provide scheduled or actual dates of completion for improvements. Scheduled or Actual Dates of Completion for Improvements E Scheduled Affected Begin End Begin Attainment of > o Improvement Outfalls Construction Construction Discharge Operational E (from above) (list outfall number (MMIDDIYYYI� (MM/DD/YYYY) (MM/DD/YYYY) Level MM/DD/YYYY a a 1. a s rn 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 NPDES Permit Number Facility Name Modified Application Form 2A NCOOD062481 Mallard Head Condos WWTP Modified March 2021 SECTION•' • ON DISCHARGES Provide the following information for each oulfall. (Attach additional sheets if you have more than three outfalls.) 3.1 Outfall Number 001 Outfall Number_ Outfall Number State NC 2 m County iredell 0 `o City or town Mooresville `s .n Distance from shore 1056 ft. H Depth below surface 20 ft. d c Average daily flow rate .0007 mgd mgd mgd Latitude 35° 33° 43" N " Longitude so* 54° 22" W 3.2 Do any of the oulfalls described under Item 3.1 have seasonal or periodic discharges? A $ ❑ Yes ❑r No 4 SKIP to Item 3.4. d A 3.3 If so, provide the following information for each applicable oulfall. L h Outfall Number Outfall Number _ Ouffall Number c a Number of times per year o discharge occurs a Average duration of each `o discharge (specify units o Average 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 diftuseR ❑ Yes ❑✓ No + SKIP to Item 3.6. 3.5 Briefly describe the diffuser t pe at each applicable oulfall. m T � Outfall Number Outfall Number Outfall Number S 'S Does the treatment works discharge or plan to discharge wastewater to waters of the State of North Carolina from ui � 3.6 one or more discharge points? m ❑ Yes ❑ No +SKIP to Section 6. Page 6 NPDES Permit Number Facility Name Modified Applicafion Form 2A NCDDD062481 Mallard Head Condos wWTP Modified March 2021 3.7 Provide the receiving water and related information if known for each oulfall. Outfall Number 001 Outfall Number Outfall Number _ Receiving water name Lake Norman Name of watershed, river, g or stream system Lake Norman (Catawba River) c U.S. Soil Conservation Service l4-digitwatershed c code 3 w Name of state management) river basin Unnamed tributary to Reeds U.S. Geological Survey 8-digit hydrologic cataloolno unit code Critical low flow (acute) cis cis cis Critical low flow (chronic) cis 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 001 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 0 Secondary ❑ Secondary ❑ Secondary ❑ Advanced ❑ Advanced ❑ Advanced ❑ Other (specify) ❑ Other (specify) ❑ Other (specify) a Design Removal Rates by Outfall N d BODs or CBODe 85 % % % d s d TSS 85 % % % 0 Not applicable ❑ Not applicable ❑ Not applicable Phosphorus % % % 0 Not applicable ❑ Not applicable ❑ Not applicable Nitrogen % % % Other (specify) 0 Not applicable ❑ Not applicable ❑ Not applicable % Page 7 NPDES Permit Number Facility Name Modified Application Form 2A NC000062481 Mallard Head Condos 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. a u c c 0 V a Outfall Number 001 Oulfall Number_ Outlall Number_ Disinfection type Tablet Chlorination w/contact u � m tank 0 Seasons used Alt 0 E F Dechlodnation 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? El 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 oulfall number or of the receivingwater near the discharge points. OutfaliNu ber OutfallNumber Ouffall Number Acute Chronic Acute Chronic Acute Chronic Number of tests of discharge g' water Number of tests of receiving water 0 e 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 + 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? additional sampling required by NPDES El Yes El permitting authority. Page 8 NPDES Permit Number Facility Name Modified Applicefion Form 2A NC000062481 Mallard Head Condos 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? El 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. Dates) Submitted Summary of Results MIDDNM v d c c 0 A 3.22 Regardless of how you provided your WET testing data to the NPDES permitting authority, did any of the tests result in p toxlclty? ❑ Yes ❑ No + SKIP to Item 3.26. d 3.23 Describe the cause(s) of the toxicity: r c a 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 B Not applicable because previously submitted information to the NPDES permitting authority. Page 9 NPDES Permit Number Facility Name Modified Application Fonn 2A NC000062481 Mallard Head Condos WWiP Modified March 2021 SECTION• I 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 Section 1: Basic Application El ❑ w/ variance request(s) ❑ w/ additional attachments Information for All licents ❑ Section 2: Additional r❑ wl topographic map ❑r w/ process flow diagram Information ❑ wl additional attachments © w/ Table A ❑ wl Table D ❑r Section 3: Information on ✓❑ w/ Table B ❑ wl additional attachments Effluent Discharges E ❑ w/ Table C a (75 Section 4: Not Applicable 0 w Section 5: Not Applicable r d U o Section 6: Checklist and ❑ wl attachments Certification Statement N_ Y 62 Certification Statement 1 ce* 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 property 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 Brent Milliron Envir. Compliance Director Signaturen / ry��r`� [ � / Date signed 10/01/2024 Page 10 r NPDES Permit Number Facility Name Outlall Number NC000062481 Mallard Head Condos WWTP 001 Modified Application Form 2A Modified March 2021 a• •a Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Value Units Value Units Number of Pollutant Methods Include units ( ) Samples oxygen demand BODs or 2 CBODs 28.9 mg/L 1.61 mg/L 175 11 MIL SM5210B 2.0 2r MDL e ort oneecal coliform 350 mg/L 20.87 mg/L 175 SM9222D (MF) 1.0 0 MIL O MDL jBiochemical esign flow rate 29,0D0 gallons 3469 gallons 1215 H (minimum) 6.0 units ,H(maximum) 8.7 units emperature (winter) 20 degrees Celsius 16.92 degrees Celsius 420 emperature (summer) 28 degrees Celsius 22.55 degrees Celsius 420 ML SM2540D 2.5 o MIA - otal suspended solids (TSS) mg/L 2.07 mg/L 175 is pling shall be conducted according to sufficiently sensitive lest 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 Dts rerma number raanry name vuuan nu NC000062481 I Mallard He Condos WWiP 001 Modified Applicabon Form 2A Modified March 2021 Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL Value Unita Number of Pollutant Value Units Methods Includeunils ( ) Samples Ammonia (as N) 4.15 mg/L 0.27 mg/L 217 SM45DONH3D 0 ML 0.2 O MDL Chlorine 47 u8/L 2.88 ug/L 436 Field -Hach DPD ❑ ML ❑ MDL total residual, TRC 2 Dissolved oxygen 10.3 mg/L 7.75 mg/L 218 Field -Hach DPD OML ❑MDL Nitrate/nitrite SM4500NO3E ❑ ML ❑ MDL Kjeldahl nitrogen SM45000RGB,NH3C t7 ML ❑MDL ❑ ML Oil and grease ❑ MDL Phosphorus SM450OPE ❑ ML ❑MDL ❑ ML Total dissolved solids ❑MDL i Sampling shall be conducted according to sufficiently sensitive test procedures (i.e., methods) approved under 40 GFR 135 for me analysis of ponutants or pollutant parameters or required under 40 CFR chapter I, subchapter Nor 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 Outfall 001 , , , , r , , , N N ,max r Y C , t7 C �♦ � R 0 ,=o °ao � or N a E or ti@ . a `' s � LL .� • -----' ,' Z �4b j p°+ .. Mallard Head .Condos WWTP ��—• xx ,r ave pvUil'ag J leO/ p'hek� . _ rsr Iredell County, State of North + ngai a Printed: Oct 07, 2024 of 0.07 074 AO U A_ I I I 1 i 1 H�i mi GI$ 1 inch equals 376 ft 2\ .:n o �a . ey s min, INCREMENT P,%SGS, EPA, USDA ocaanepe f.aaJ. a.a.a. nrMnP to m.8enerel on mof wat.ow..rs after mmm blion an intam...d bom docum.nb.ulamiNd b ble Ergln..dn, dW.Nn.nt R.M1r m.oeon[.neiM.dne ol.n. Air mM abalk xi"Mon. fl.portcon.Nans bAqu.GIS mailbox puepk®egwemanc..mm n..,... e:..., e......i....., M vcvorAnr 671211 e9_e309 �� �/ � � � A✓ it Reeds Creek p;xk. ._ •. t. 2_ Outfall001 - �- f� -7 ,q ; 6 te 799 x Copyrigh'tl© 2'013 Nat" i a`F- eographlc Society, cubed Aqua North Carolina, Inc. - Mallard Head WWT NPDES Permit NC0062841 N t. a• `U-•i Receiving Stream: Reeds Creek Stream Class: WS-IV,B: Stream Segment: 11 - 104-(2) Sub -Basin #: 03-08-32 River Basin: Catawba HUC: 030501011203 County: Iredell CA SCALE 1:20,000 35.5619° N,-80.9061° W Raw Effluent Mallard Head WWT fiffiIIIIIII-100:31 Process Flow Diagram Aeration Bar Screen Clarifier Basin Sludge Holding Tank Chlorine Contact Dechlorination Pumped Cascade Aeration and Hauled Outfa 11001