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Home My WebLink AboutWQ0000795_More Information Received_20220425 (2) ,1)Non-Discharge Branch Upload/Submittal Form NORTH CAROLINA EnvlronneeM&Q, (Ty Version 2-Revised June 23,2020 Initial Review Reviewer Thornburg,Nathaniel D Is this submittal an application?(Excluding additional information.)* Yes No If not an application what is the submittal type?* Annual Report Residual Annual Report Additional Information Other Permit Number(IR)* WQ0000795 Applicant/Permittee Town of Surf City Email Notifications Does this need review by the hydrogeologist?* Yes No Regional Office CO Reviewer Admin Reviewer Submittal Form Project Contact Information Please provide information on the person to be contacted by NDB Staff regarding electronic submittal,confirmation of receipt,and other correspondence. Name* Surf City WWTF Email Address* Phone Number* zbutler@surfcitync.gov 9105245170 Project Information Application/Document Type* New(Fee Required) Modification-Minor Modification-Major(Fee Required) Renewal Renewal with Major Modification(Fee GW-59, NDMR,NDMLR, NDAR-1, Required) NDAR-2 Annual Report Residual Annual Report Additional Information Change of Ownership Other We no longer accept these monitoring reports through this portal. Please click on the link below and it will take you to the correct form. https://edocs.deq.nc.gov/Forms/NonDischarge_Monitoring_Report Permit Type:* Wastewater Irrigation High-Rate Infiltration Other Wastewater Reclaimed Water Closed-Loop Recycle Residuals Single-Family Residence Wastewater Other Irrigation Permit Number:* WQ0000795 Has Current Existing permit number Applicant/Permittee Address* 214 W Florence Way Hampstead NC,28443 Facility Name* Town of Surf City WWTF Please provide comments/notes on your current submittal below. The attached is the Town of Surf City's response to an Additional Information Request regarding the renewal of wastewater irrigation system permit W00000795. At this time,paper copies are no longer required.If you have any questions about what is required,please contact Nathaniel Thornburg at nathaniel.thornburg@ncdenr.gov. Please attach all information required or requested for this submittal to be reviewed here.* (Application Form,Engineering Plans,Specifications,Calculations,Etc.) Permit App.Additional Information Request Response.pdf 7.72MB Upload only 1 PDF document(less than 250 MB).Multiple documents must be combined into one PDF file unless file is larger than upload limit. * By checking this box, I acknowledge that I understand the application will not be accepted for pre-review until the fee(if required)has been received by the Non- Discharge Branch.Application fees must be submitted by check or money order and made payable to the North Carolina Department of Environmental Quality(NCDEQ). I also confirm that the uploaded document is a single PDF with all parts of the application in correct order(as specified by the application). Mail payment to: NCDEQ—Division of Water Resources Attn:Non-Discharge Branch 1617 Mail Service Center Raleigh,NC 27699-1617 Signature Submission Date 4/25/2022 ,i'ill,1 0 State of North Carolina ' m,, ",' 'oh ,, , I,, 1 , w i ii,ii . i,,, „,,,,,,i , Department of Environmental Quality ' Ili' il v hion Division of Water Resources Division of Water Resources 15A NCAC 02T.0500—WASTEWATER IRRIGATION SYSTEM—RENEWAL FORM: WWIS-R 02-21 Pursuant to 15A NCAC 02T.0107(b),if the application does not include all required information and the necessary supporting documentation, the application shall be returned. The application and attachments shall be prepared in accordance with 15A NCAC 02T .0100, 15A NCAC 02T .0500, and Division Policies. For more information, visit the Water Quality Permitting Section's Non-Discharge Branch website. The Applicant shall submit an electronic copy of the application and attachments uploaded as a single Portable Document Format(PDF)tile to httos://edocs.deq.nc.2ovirorms/NonDischarge-Branch-Submittal- Form-Ver2,or emailed to Non-Discharge.Reports(ffl,ncdenr.gov if less than 20 megabytes(MB). . ., . SECTION I—APPLICANT INFORMATION 1. Applicant: Town of Surf City 2. 3, Permit No.: WQ0000795 4. Signature authority:Kyle Breuer Title: Town Manager Phone number: (910)328-4131 Select Email:kbreuer@surfcitync.gov 5. Mailing address: PO Box 2475 City: Surf City State:NC Zip:28445- 6. Contact person:David Price Email: dprice@surfcitync.gov Primary phone number: (910)329-1055 Select Secondary phone number:( ) - Select SECTION II—FACILITY INFORMATION I. Physical address: 173 Sarge Martin rd County: Onslow Parcel No.: 423602788672 City:Holly Ridge State:NC Zip:28445- 2. Treatment facility coordinates to the sixth decimal degree: Latitude: 34.285588° Longitude: -77.335043° Method:Navigation quality GPS SECTION III—FLOW INFORMATION I. Permitted flow: 1100000 GPD(The maximum allowable flow based on what has been permitted) 2. As-built flow: 767800 GPD(The maximum allowable flow based on what has been constructed) 3. Average flow: 682858 GPD(The average of all reported flows on the previous calendar year's NDMRs) 4. Hydraulic capacity: 89%(Divide the average flow in Item 3 by the As-built flow in Item 2) 5. Wastewater composition: Domestic : 100% Industrial: % Stormwater: % . . SECTION IV—BILLING INFORMATION , 1. Billing address:PO Box 2475 City: Surf City State:NC Zip: 28445- 2. Verify the Applicant does not have any overdue annual fees: https://deq.nc.goviabout/divisionsiwater-resourcesiwater-resources-permits/wq-epayinents Pursuant to 15A NCAC 02T.0120(c),permits for renewing facilities shall not be granted if the Applicant or any affiliation has an unpaid annual fee, .._ FORM: WW1S-R 02-21 Page 1 of 6 'SECTION V-OPE'IAA.TOR,,IN,:I SPQN,SIBLE,CHA:RG,E OR ORMA ,I^C1�.N ;; , 1. ORC:Zack Butler Grade:4 Certification No.: 1003663 Mailing address: PO box 4105 City: Surf City State:NC Zip: 28445- Phone number: (910)329-1011 Select Email: zbutler@surfcitync.gov 2. Back-Up ORC: Steve Smith Grade:4 Certification No.: 994884 Mailing address:445 Catherine Ave City: Topsail Beach State:NC Zip:28445- Phone number: (910)233-5169 Select Email: ssmith@surfcitync.gov SECTION'VI—OPEN-ATMOSPHERE STRUCTURE , I. List all open-atmosphere treatment and storage structures associated with the renewing permit. Attach additional sheets if necessary. Type Parcel.No. Volume(gal) Liner Type Freeboard (ft) Latitude Longitude Storage 432000125394 100,000,000 Full,clay 12 34.57640° -77.59610° Storage 4236027886272 1,500,000 Full,synthetic 5 34.48170° -77.55080' Storage 4236027886272 2,000,000 Full,clay 4 34.481.00' -77.55080° Storage 4236027886272 2,000,000 Full,clay 4 34.48060° -77.55150° SECTION�VI—RELATES?PERMITS' 1. List all wastewater permits (i.e,, sewer, collection system, NPDES, residuals)that have interactions with the renewing permit. Attach additional sheets if necessary. Permit Type Permit No. Relationship Type Collection System wgcs00278 Upstream sewer Select Select Select Select Select Select SECTION VIII-MONITORING WELLS 1. List all groundwater monitoring wells associated with the renewing permit. Attach additional sheets if necessary. Well Name Parcel No. Status Gradient Location Latitude Longitude 3 423602788672 Active Downgradient Inside Review Boundary 34.4786' -77.5483' 4 423602788672 Active Downgradient Inside Review Boundary 34.47577° -77.5483' 7 423602788672 Active Downgradient Inside Review Boundary 34,4814 77,5528° 8 423602788672 Active Upgradient Inside Review Boundary 34,4784° -77.5514° 9 432000125394 Active Select Inside Review Boundary 34,334180° -77.35967° 10 432000125394 Active Select Inside Review Boundary 34.34474' -77.352227° 11 432000125394 Active Select Inside Review Boundary 34.341883° -77.353577°, 12 432000125394 Active Select Inside Review Boundary 34.345825°' -77.36549° PZ-13 432000125394 Active Select Select 34.574863° -77.594843° PZ-14 432000125394 Active Select Select 34.575694° -77.597319° PZ-15 432000125394 Active Select I Select 34.577538° -77.596994° FORM: WWIS-R 02-21 Page 2 of 6 SECTION V—OPERATORIN RESPONSIBLECHARGE,(ORC)DVoklytñúji,11'''' , /,. I. ORC: Grade: Certification No.: Mailing address: City: State: Zip: - Phone number: ( ) - Select Email: 2. Back-Up ORC: Grade: Certification No.: Mailing address: City: State: Zip: - Phone number: ( ) - Select Email: SECTION,VI—OPEN-ATMOSPHERE STRTICTI.TRES;5,', 1. List all open-atmosphere treatment and storage structures associated with the renewing permit. Attach additional sheets if necessary. Type Parcel No. Volume(gal) Liner Type Freeboard (ft) Latitude Longitude Storage 4236027886272 600,000 Full,clay 4 34.48050° -77.55210° Storage 4236027886272 600,000 Full, clay 4 34.47990° -77.55160° _.. ..... Select Select ° - . 0 Select Select I . ° - . 0 SECTION VII—RELATED PERMITS I. List all wastewater permits (i.e., sewer, collection system, NPDES, residuals)that have interactions with the renewing permit. Attach additional sheets if necessary. Permit Type Permit No. Relationship Type Select Select , Select Select Select Select Select Select , . . SECTION/VIII 4,MONITORING,ANELLS 1. List all groundwater monitoring wells associated with the renewing permit. Attach additional sheets if necessary. Well Name Parcel No. Status Gradient Location Latitude Longitude PZ-16 432000125394 Active Select Select 34.577727' -77.594648° ._... ___ Select Select Select . ° - . o Select Select Select . ° - . 0 Select Select Select . ° - . o Select Select Select ' . 0 - . 0 0 Select Select Select . 0 - . Select Select Select . ° - . 0 .... Select Select Select . ° - . 0 L Select Select Select . ° - . 0 Select Select Select I , . _ . o Select Select Select . ° - « o _... FORM: WW1S-R 02-21 Page 2 of 6 L - SECTION IX-IRRIGATION FIELDS I. List all irrigation fields associated with the renewing permit. Attach additional sheets if necessary. Field County Parcel No. Deeded Owner Area Cover Crop Latitude Longitude 1 Onslow 423602788672 Town of Surf City 5.50 grass 34.474400° -77.550000° 2 Onslow 423602788672 Town of Surf City 5.50 grass 34.475300° -77.550100° 3 Onslow 423602788672 Town of Surf City 5.98 grass 34.477000° -77,550100° 4 Onslow 423602788672 Town of Surf City 4.97 grass , 34.477900° -77.549000' 5 Onslow 423602788672 Town of Surf City 5.55 grass 34.478400° -77.549900° 6 Onslow 423602788672 Town of Surf City 5.30 grass 34.479100° -77.550700° 7 Onslow 423602788672 Town of Surf City 5,75 grass 34.482900' -77.548900° 8 Onslow 423602788672 Town of Surf City 4.83 grass 34.480070' -77,548400' 9 Onslow 423602788672 Town of Surf City 5,30 grass 34.480000° -77.547900° 10 Onslow 423602788672 Town of Surf City 5.21 grass 34.480400° -77.546600° II Onslow 423602788672 Town of Surf City 4.60 grass 34.479500° -77.546300° 12 Onslow 423602788672 Town of Surf City 6.25 crass ,t, 34.477800' -77.547200° 13 Onslow 423602788672 Town of Surf City 5.80 grass 34.478800° -77.544900° 14 Onslow 423602788672 Town of Surf City 6.22 grass 34.480200' -77.542000'1 15 Onslow 423602788672 Town of Surf City 6.61 grass 34.481900' -77.538500° 16 Onslow 423602788672 Town of Surf City 5.05 grass 34,481400° -77.543100' A Onslow 432000125394 Town of Surf City 16.28 pine 34.572295° -77.600408° B Onslow 432000125394 Town of Surf City 14.85 pine 34.574630' -77.599656° C Onslow 432000125394 Town of Surf City 17.47 pine 34.571667° -77.591944°' D Onslow 432000125394 Town of Surf City 17.02 pine 34.568611° -77.596944° E Onslow 432000125394 Town of Surf City 14.05 pine 34.567688° -77.591939° F Onslow 432000125394 Town of Surf City 11.60 pine 34.567141° -77.587482° G Onslow 432000125394 Town of Surf City 14.85 pine 34.563889° -77.585556° H Onslow 432000125394 Town of Surf City 14.20 pine 34.562180° -77.584455° 0 .0 _ 0 0 _ . 0 ° - . 0 0 _ 0 0 _ . 0 0 _ . 0 0 _ . 0 0 a c 0 a c a _ 0 0 _ c • FORM: WWTS-R 02-21 Page 3 of 6 Total Acreage: 208.74 ATTACHMENT A—'SITE MAP Was the facility originally permitted or had a major modification issued after September I,2006? V1 Yes—Pursuant to I 5A NCAC 02T.0105(d), submit a site map pursuant to the requirements in 15A NCAC 02T.0504(d). These requirements are: I A scaled map of the site with topographic contour intervals not exceeding 10 feet or 25 percent of total site relief and showing all facility-related structures and fences within the wastewater treatment,storage,and irrigation areas. O Soil mapping units shown on all irrigation sites. O The location of all wells (including usage and construction details if available), streams (ephemeral, intermittent, and perennial), springs, lakes, ponds, and other surface drainage features within 500 feet of all wastewater treatment, storage, and irrigation sites. " Delineation of the compliance and review boundaries per 15A NCAC 02L .0107 and,0108, and 15A NCAC 02T.0506(c) if applicable. Setbacks as required by 15A NCAC 02T.0506. El Site property boundaries within 500 feet of all wastewater treatment,storage,and irrigation sites. O All habitable residences or places of public assembly within 500 feet of all treatment,storage,and irrigation sites. E No—Skip Attachment A. ATTACHMENT B—SIGNATURE AUTHORITyDELEGATioN,,, Does the signature authority in Section I,Item 3 meet the requirements pursuant to 15A NCAC 02T.0106(b)? IA Yes—Skip Attachment B. D No—Submit a delegation letter pursuant to 15A NCAC 02T.0106(c)authorizing the signature authority to sign. ATTACIMENT C—FLOW,REDUCTION Does the existing permit include an approved flow reduction? O Yes—Submit a copy of the flow reduction approval letter,as well as the measured monthly average amount of wastewater flow contributed per unit for the 12 months prior to permit renewal. If any of these monthly averages are within 20%of the approved flow reduction value,the Permittee shall provide a reevaluation of the reduced flow value pursuant to the requirements in 15A NCAC 02T.0114(f)„ i4 No—Skip Attachment C. ATTACHMENT I)-CERTIFICATE OFPUBLIC CONVENIENCE,AND;NECESSITY , , Is the Applicant a Privately-Owned Public Utility? 11 Yes — Pursuant to 15A NCAC 02T .0115(a)(l), submit the Certificate of Public Convenience and Necessity from the North Carolina Utilities Commission demonstrating the Applicant is authorized to hold the utility franchise. 1711No—Skip Attachment D. ATTACHMENT,E—OPERATIONAL AGREEMENT , Is the Applicant a Home/Property Owners'Association or Developer of Lots to be Sold? Yes(Home/Property Owners Association)—Pursuant to 15A NCAC 02T.0 I 15(a)(2),submit an executed Operational Agreement (FORM: HOA). Pursuant to 15A NCAC 02T .0115(c), if the applicant is a legally formed Homeowners' or Property Owner's Association,submit a copy of the Articles of Incorporation,Declarations, and By-laws„ El Yes (Developer of Lots to be Sold) — Pursuant to 15A NCAC 02T .0115(a)(2), submit an executed Operational Agreement (FORM: DEV). Pursuant to 15A NCAC 02T .0115(b), if the applicant is a developer of lots to be sold, submit a copy of the Articles of Incorporation,Declarations,and By-laws. El No—Skip Attachment E. FORM: WWIS-R 02-21 Page 4 of 6 ATTACHMENT F—DEMONSTRATION OF FUTURE WASTEWATER TREATMEÑTICAPACITIES:, Is the applicant a municipality,county, sanitary district,or public utility? 11 Yes—Proceed to the next question. E No—Skip Attachment F. Does the hydraulic capacity in Section HI,Item 4 exceed 70%? E Yes(the hydraulic capacity is greater than 70%,but less than 80%)— Pursuant to 15A NCAC 02T.0118(1),prior to exceeding 80 percent of the system's permitted hydraulic capacity(based on the average flow during the last calendar year),the permittee shall submit an engineering evaluation of their future wastewater treatment,utilization,and disposal needs.This evaluation shall outline plans for meeting future wastewater treatment, utilization, or disposal needs by either expansion of the existing system, elimination or reduction of extraneous flows,or water conservation and shall include the source of funding for the improvements. If expansion is not proposed or is proposed for a later date, a justification shall be made that wastewater treatment needs will be met based on past growth records and future growth projections, and as appropriate, shall include conservation plans or other measures to achieve waste flow reductions. Ej Yes(the hydraulic capacity greater than 80%)—Proceed to the next question. E No—Skip Attachment F. If answered Yes above,does the hydraulic capacity in Section III, Item 4 exceed 80%? Yes (the hydraulic capacity is greater than 80%)—Pursuant to 15A NCAC 02T .0118(2), prior to exceeding 90 percent of the system's permitted hydraulic capacity (based on the average flow during the last calendar year), the permittee shall obtain all permits needed for the expansion of the wastewater treatment, utilization, or disposal system and, if construction is needed, submit final plans and specifications for expansion,including a construction schedule.If expansion is not proposed or is proposed for a later date,a justification shall be made that wastewater treatment needs will be met based on past growth records and future growth projections, and as appropriate, shall include conservation plans or other specific measures to achieve waste flow reductions. E No—Skip Attachment F. ATTACHMENT'G—EASEMENT,ENCROACHMENT,AND LEASE AGREEMENTS Does the Permittee own all of the land associated with the wastewater collection,treatment, conveyance, and irrigation system? Yes—Skip Attachment G. fl No—Pursuant to 15A NCAC 02T .0116(c), provide a copy of all easements, lease agreements, and encroachment agreements allowing the Permittee to operate and maintain the wastewater collection, treatment, conveyance, and irrigation system on property not owned by the Permittee. ATTACHMENT BE—AFFILIATIONS Are the Permittee's affiliations of record correct? Check affiliations. 11 Yes—Skip Attachment H. 0 No—Provide the corrected affiliations and their contact information. ATTACHMENT I—coruumiczWHEDWAS z, , Does the existing permit include any Compliance Schedules?(See Section I of the most recently issued permit) E Yes—Submit documentation that the compliance schedules have been met. E No—Skip Attachment I. ATTACHMENT.1—CIVIL PENALTIES AND OUTSTANDING VIOLATIONS,' Does the Permittee have any existing civil penalties or outstanding violations? E Yes(civil penalties)—Submit payment for the civil penalty,or proof of remission request. E Yes(violations)—Submit a copy of your response to the Notice of Violation. HI No—Skip Attachment J. FORM: WWIS-R 02-21 Page 5 of 6 ATTAC NT K INDUSTRIAL WASTEWATER Does the wastewater composition in Section III,Item 5 include any industrial wastewater? E Yes—Proceed to the next question. El No—Skip Attachment K. Has the nature of the industrial wastewater changed since the last permit issuance(i.e.,changes in industrial process, introduction of new materials or chemicals, etc.)? E Yes — Provide a chemical analysis of the wastewater pursuant to the requirements in 15A NCAC 02T .0504(h). Provide an overview of the manufacturing process; an inventory of all chemical and biological materials used in the manufacturing process; and an overview of the cleaning and treatment methodology. El No — Provide an overview of the manufacturing process; an inventory of all chemical and biological materials used in the manufacturing process;and an overview of the cleaning and treatment methodology, ATTACHMENT L—SETBACK WAIVERS Does the existing permit include setback waivers? E Yes—Pursuant to 15A NCAC 02T .0506(d), provide setbacks waivers that have been written, notarized, signed by all parties involved, and recorded with the county Register of Deeds. Waivers involving the compliance boundary shall be in accordance with 15A NCAC 02L .0107. A, No—Skip Attachment L. APPLICANT'S CERTIFICATION, 4.1 ( f attest that this application (Signature authority's name as noted in Section 1,Item 3) has been reviewed by me and is accurate and complete to the best of my knowledge. I understand that if all required parts of this application package are not completed, and that if all required supporting information and attachments are not included, this application package will be returned as incomplete. I further certify pursuant to 15A NCAC 02T.0120(b),that the applicant,or any parent,subsidiary,or other affiliate of the applicant has:not been convicted of environmental crimes under;not previously abandoned a wastewater treatment facility without properly closing the facility;not paid a civil penalty;not been compliant with any compliance schedule in a permit,settlement agreement,or order;not paid an annual fee. Note: The Applicant's Certification shall be signed pursuant to 15A NCAC 02T.0106(b). An alternate person may be delegated as the signing official if a letter is provided pursuant to 15A NCAC 02T .0106(c). Pursuant to § 143-215.6A and § 143-215.6B, any person who knowingly makes any false statement,representation,or certification in any application package shall be guilty of a Class 2 misdemeanor,which may include a fine not to exceed$10,000 as well as civil penalties up to$25,000 per violation. Signature. Date: ¿//47c /.7cr7- THE COMPLETED APPLICATION AND ATTACHMENTS SHALL BE SUBMITTED AS A SINGLE PDF FILE VIA: Email: Laserfiche Upload: httos://cdoes.deo.ne.gov/Forms/NonDischarge-Brauch- Non-Discharge,ReportsAmedenr.2ov Submittal-Form-Ver2 FORM: WWIS-R 02-21 Page 6 of 6 g��II�'^^py/�ariA6ratP+�7YYaBNry16a1u�Y Y® 4'l svawws u EMU TW Wid Xis eNff�"yN'D nfelv4W '.4Gtn ^.� a3D*!Jd 'aJ/a �tS w I U Aio 2&ns 2Q Nmoi �dr m�.rsm n�4�.jp LLD'aa'ISV y'+ryw}r e :qN l 3!Glf� "y�y vW. " a$YrfLa"yc I Ifs . . c -Ills LA Flo /q � - y��w IY. riot � yr N .M�..�•.,.��.,.enn�.m�...-.,µ,�Ma�,.��..�...w--y ` NYid IOZYJ.NdO CJOdSOdG . . .. _4AIddM u^M 22 Nbfid `JNlfl1V`J . . 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Batts,Councilwoman John Koloski, Councilman Jeremy Shugarts_ Councilman 4/24/2O22 Subject: Additional Information Response,WQ00007�5,Town of Surf City WWTF Mrs. Ramp-Plummer, Listed below is the Town: of Surf City's itemized response to NCDEQ!s request for additional information. Section [1.a8'b. Recalculation of Hydraulic Capacity. * 907,772 (GPD) is our busiest three months average encompassing just the months of June,,July, and August. Surf City was advised to use this as our annual average by Wilmington Regional Office. Our annual average io6Q2,858 (GPD)for 2021 and will match NDMR records. Using disposal of 767,800 as our as built and actual annual average of602,85O puts usjust shy of 89%capacity. Section C.2: Information on Open-Atmosphere Structures, w Pond 1 (34,481DW, '77.55080) 2,Q0O,8ÚOgal • Pond (34'48O68, -77.55150) 2,000,0O0gal • pond 3 (34.4805O, -77.5S21O) 6OO,DDOgal • pond 4/34.47890,-77.5516Q\60O,O08gal • EQ(34.4817U,-77.55O8O) 1,SO[LO00gal * ]uni per(34.57648,-77.5961O) 1O0,DQQ,OOOga| m Ponds 1-4 and Juniper are effluent storage, EQ is post equalization basin for SBR Section [.3: Relationship of Related Permits. * VV[lO000795 receives flow from VV[l[S8DZ7D. /VV[lCS0Q27&\ is also upstream sewer for VVQ0OO879S. Section |.1: Engineering Evaluation of the Town's Future Wastewater Treatment, Utilization, and Disposal. • The Town of Surf City fist retained H|GHFULL Infrastructure Engineering, P.C. /H|GHF|LU to assist it in WVVTF Treated Eff|ment[a,pacity Planning on December 13, 2017. The following major items have been investigated or are currently being worked on: ^ March2O1Q: Juniper Swamp land application expansion— HIGHFILL coordinated with Land Management Group, Inc. /LK4G\ for the completion ofa field investigation and report. • April 2818: Flow and capacity— HIGHFILL developed a spreadsheet of existing flow versus capacity. Also shown andeva|uatedowerefotuneputentia|capacitÜesevallab|efora35±acmeproposed |andapp8icationaddióonetthe 214W Florence Way P0 BOX 24T5 PHONE 328-4131. Bmmzpmccud. North Carolina 2G443 Surf City,NordbCurcú±naZ8445 FAX(0IO)320-4l32 Juniper Swamp site, a potential NPDES discharge to Shelter Swamp Creek atNC Hwy 50' a,núa potential NPDES discharge to Holly Shelter Creek just downstream of its confluence with Ango,la Creek. m June2Q18: Potential NPIDES discharge to Shelter Swamp Creek at NC Hwy 50 and a potential NPDES discharge to Holly Shelter Creek just downstream of its confluence with Angola Creek- NCDWR NPDES Unit issued the town a formal refusal to issue speculative discharge limits. However, this refusal 'left the door open to the town'tm collect water quality data over several years and to develop a water quality model if it wanted to further pursue a discharge into the Northeast Cape Fear River basin. * June2O18: Sarge Martin land application expansion—LMG identified multiple contiguous tracts south of Sarge Martin down to the 4|[VV. The total area was about 1,OG1acres. A desktop,study estimated that about 193 acres would be available for land application. Much of this land is bounded nn three sides by SA; HQNwaters that drain into the Stump Sound area. With this fact in mind and after having multiple phone conversations with one of the larger landowners concerning land value,the town decided to forego any further consideration of expanding the Sarge Martin spray fields im this direction. * June2OI8: Sarge Martin land application expansion—LMG identified a 598-acre property owned by the State of North Carolina and located east of US Hwy 17 north of the Town of Holly Ridge. LMG completed a brief desktop study that estimated it contained about 124 acres of potential spray areas. * Augunt20�18: Juniper Swamp wetlands augmentation—The town asked H|GH,F|LLto make a brief investigation into disposal of treated effluent at the Juniper Swamp site via wetlands augmentation in accordance with 15A NCACO%U .1101. This rule became effective in June Z011. Per a phone conversation with the state inAugust 2018, no systems in the state have applied for or received permits for the use of wetlands augmentation. HIGHFILL determined that,for the town W\AFFF treated effluent to meet the standards of the regulation: o The town would have to decrease the chloride content ofits effluent by minimizing saltwater infiltration / inflow, a "never ending project" o Eliminate the discharge of brine softening waste from the town WTP, a project currently being reviewed by the state NPOES Unit o Eliminate home/business softeners within town o Improve nitrogen and phosphorus removal and improve filtration at the town WWTF. o There are clauses in the regulation that require the project to be beneficial to the flora and fauna. This regulation is very subjective in nature, having few if any objective, quantifiable criteria to adhere to. The regulation also dictates that effluent cannot be applied when the groundwater is within 12" of the ground surface. This requirement is the same requirement that exists for conventional land application on uplands. The existing wetlands at Juniper Swamp would likely not meet this requirement. For these reasons, HIGHFILL recommended that the town, not pursue this alternative further. * K4archZUl9: Juniper Swamp land application expansion,—HIGHFILL coordinated with Agri-Waste Technology, Inc. (AVVT)for the completion of desktop evaluation. * OctVberZD19: Sarge Martin land application expansion—HIGHFILL coordinated with AWT for the completion of a desktop evaluation of a 346 and an 81-acre proposed land application addition. The study estimated flovvrate capabilities of 193,552 and 49,614 gpd for the larger and smaller tracts, respectively. * November2019: Flow and capacity—H|GHF|LL updated its spreadsheet ofexisting flow versus capacity. Shown and evaluated were future potential capacities available for a 33±acre proposed land application addition at the Juniper Swamp site, a 346 and an 81-acre proposed land application addition at the Sarge Martin site, and proposed reduction in process flow wastes from the tnvvn'sVVTP (6G,4O0 gpdof iron waste and S7,6O8Qpdnf softening waste). w ]anuaryZ020: Deep well injection—At the tmvvn'orequest, H|GHF|LL verified that it was still not allowed in NC. w Janoary2QZ0: Potential property on Onslow/ Pender County line just west of US Hwy 17 may be available for land application—Attovvn's request, H[GHF|LL completed a brief desktop evaluation nf this l32±acre tract, The tract did not appear compatible for use as a land application site. No further action was taken. • FebruaryZ8Z0: Flow and capacity—HIGHFILL added a cost/ benefit analysis for each potential alternative presented in the November 2019spreadsheet. w FebruaryZO2O: Potential properties in Onslow County on or near NC Hwy 50 that may be available for land application—At town's request, HIGHFILL completed a brief desktop evaluation of each of several properties. For multiple valid reasons,the town decided not to further pursue these particular properties. * MarchIO28: Potential state-owned surplus property at Sandy Run Swamp on NC Hwy 50 near Maple Hill in Ons|nvvCounty Attovvn'srequest, H|GHF|LL completed a brief desktop evaluation of this 7J3±acre tract. A portion uf the tract may be suitable for a land application site. However, the Castle Hayne aquifer confining clay layer is likely near the surface, even more so than it has proven to be at the town's Juniper Swamp site. Mounding would likely make this site unusable for land application. No further action was taken. w April 2028: Juniper Swamp land application expansion—HIGHFILL issued a design contract for development of 5 new fields totaling 33.9acnen. w k4ay282O: SargeK4artinKamdapp8cationexpansion—Atthetowm'srequest, H|GHFILLrequestedaproposa| from AVVTtn conduct a field study nf the]46-acre site next tmSarQe Martin and the S98-acre tract owned bythe state northeast nf5argeMartin. While working on permission to enter these properties,the town discovered that the 346-acre site was tied up in the 'afternnath' of an environmental problem that went to federal court. it also found that the state-owned tract had a set of deed restrictions in the record that may prevent the intended use by the town. Finally,the 81-acre tract northeast of Sarge Martin was thought to be too small to have the appropriate cost to benefit ratio for use. The town then withdrew the request for proposal. * K8ayZO30: Juniper Swamp land application, expansion—HIGHFlLL coordinated with CPEC Environmental, lnc. (CPEC) for the completion ofahydrVgeo|ogic evaluation and report. w K4ayZ0Z0: Juniper Swamp VVVV effluent storage pond evaporation—Town staff asked H|GHF|LLtm make abrief investigation of the use of mechanical evaporators for disposing of treated WW effluent held in the 100 MG storage pond. 4 cursory review ofavailable technical literature quickly led to the conclusion that while this would certainly lower the net accumulation of rainwater onto the storage pond,the accumulation of rainwater would still remain positive each year thus resulting in no removal of treated wastewater effluent. w ]une2OIO: Juniper Swamp land application expansion—HIGHFILL prepared a capital project budget for development ofS new fields totaling 33.9acres. The unit cost for the 43,09Ugpdexpansiun was estimated to be about$44 per gpdADF in, estimated ZO21U.S. dollars. w ]uneJOZ0: Juniper Swamp land appllication expansion—AWT identified about 232 acres,of marginal land in its desktop study. lt estimated that it could accept a total of about 8 inches of irrigation per year(seasonal only). HIGHFILL estimated that the capital cost to develop this site would be on the order of about$93/gpd capacity. The cost to benefit ratio was considered too high by the town. No further effort has been put into this alternative. * ]mne2Q201: The town entered into contract with H|GHF|LLtn complete Phase | of Wastewater Master Plan. The basic goals of Phase [ of this plan were to: o Develop additional disposal capacity to achieve a total of 1.5 mgd to match the current treatment capacity. n Expand WWTF to 3.0 mgd followed immediately by developing another 1.5 mgd in disposal capacity. u Evaluate whether or not additional capacity is needed to accommodate further town growth. o Evaluate both WWTF and disposal options,available to accommodate th!is future growth beyond 3.0 mgd. o The new/future disposal alternatives to be considered in th,is master plan included: u Development of reclaimed water system to beneficially irrigate N[ native type plantings on the landward side of the primary dune of a separate proposed engineered beach strand consisting of: • Phase |: reclaimed water transmission and distribution system " Phase ||: treatment facility to produce reclaimed water o Development ofaNPDES discharge into the mainstenmof the Northeast Cape Fear River o Review and analysis ofa proposal from P|uris, LLC,to treat and dispose of all ore portion nf the town's sanitary wastewater n Development of additional non-discharge opportunities on properties in northern Pender County where the,Castle Hayme aquifer confining unit will not beanissue. o The work above was to culminate in a scoping meeting with state and federal regulatory agencies and non-regulatory agencies with an interest in the project tobedeveloped. m ]ulyIQIQ: Reclaimed water system to irrigate natural type vegetation plantings on the landward side of the primary dune for a proposed dune nenourishnment project—H|GHF|LL in,conversations with the NCDVVR non- discharge unitandtheCAK4Aunit,deternoinedthattbiscnwldveryvve|lbefeaoible. This alternative has been placed on hold due to a delay in implementing the USACE dune renourishment project. * ]uk/20ZO: Juniper Swamip land application expansion—HIGHFILL coordinated with AWT for the completion of a field investigation and report. * September3OJO: Juniper Swamp land application expansion—Town asked HIGHFILL to stop design work for development of 5 new fields totaling 33.9 acres due to the extremely high cost to benefit ratio for the project. * SeptennberZQZO: At the request of the town, HIGHFILL developed and presented a detailed engineering study of the W7P iron residuals process waste,stream. Currently this waste is discharged to the town's sanitary sewer. The study found that a combination of: o Recycling clarified iron waste supernatant back to the head of the VVTPand o Land application of the remaining liquid iron, residuals via a proposed non-discharge permit on-site,the town could retrieve 25,970 gpd of sewer capacity now and up to 66,400 gpd in the future when the VV7P reaches its design capacity. |n estimated Z02IU.5. dollars, this project would cost about$Z3 per gpd ADF. Though this project is technicaQy viable, the town has determined that the cost to benefit ratio is too high at this time before further considering other WW treated effluent options that will produce more VVVV capacity ata better cost to benefit ratio. w November2020: The findings of Phase � of the above Wastewater Master Plan were presented and discussed at ascop[ngmeeting. The findings presented included the following: o The proposed engineered beach project byUSA[Ebasbeenstoppeddmeteonemftheadjoiq[ng towns dropping out of the project. The planned reclaimed water project cannot move forward until the engineered beach project again moves forward, o The town and P|uris have not yet been able to reach an agreement inprinciple. o The effluent portion of the study would include comparing a discharge to new land application sites. o The 1ovvn'sIO28 estimated permanent population was 2,174- HIGHFILL projects thisto increase to about 4,OOObvZO39. The summer average daily wastewater flow (ADF)was about 0.759 million gallons per day (m8d) in 2019. HIGHF|LL projects this to increase to about 2.2 mgd by 2039. o The current capacity of the WVVTF is 1.5 mgd (on a maximum monthly ADF basis). H|GHF|LL understands that the current facility wa,s designed to be easily mirrored to double this capacity in the future. However,the current treated effluent disposal capacity is only 0.756889 mgd on a maximum annual ADF basis and 1.1mgdona maximum monthly ADFbasis. All permitted disposal is currently via non-discharge land application onto two sites: Sarge Martin and Juniper Swamp. • Based on the above, H|GHF|LL recommends an immediate effluent disposal capacity increase 10 atota| of1.Snngdto match the capacity of the,VVVVTF. ]1 then recommends that the plant and disposal capacity be doubled toa total nf3.0nngdonnr before 2830. The s1ate's8O/9O rule will then require a study to expand the 3.Qnogd facility by2O39or shortly thereafter. o Increasing the VVVVTF capacity from 1.5to 3.Úmgdwill require additional treated effluent disposal capacity. As discussed above,the existing permitted disposal capacity is 0.756889 mgd. Therefore, an increase of3.Q—O.7S6O88 =I.243111 -) Z.ZSm8d. o HIGHFILL has been tasked with evaluating a discharge alternative versus a non-discharge land application alternative. For a discharge alternative,the New River is the closest surface water of any size tn Surf City. This,watershed is already being extensively used by such entities as the City of Jacksonville, MCB Camp Lejeune, and Onslow Water and Sewer Authority(ONWASA). Much of the mid and lower basin is classified SA. However, there are two areas that are classified lower than SA. The hverfrnnt properties for both locations are owned byM[8 Camp Lejpune. |n recent meetings with the town, both ONWASA and MCB Camp Lejeune have declined to offer any capacity to Surf City. o The other significant freshwater basin of significance to Surf City is the Cape Fear River basin. Two potential discharge locations within Pender County appear realsonable: Lanes Ferry nn the Northeast Cape Fear River and the Cape Fear River mainstern just downstream of Bulldog Cut. Both locations are tidally influenced. o For land application, much of the land near Surf City is either unavailable (already developed, being developed, priced for development, or not acceptable for land application). Much of the land west of US17is not acceptable for land app|lcation. The underlying reasons for this are many, including flood plains, wetlands, state owned game lands,federaU|yowned military base, and the fact that the Castle Hayne aquifer confining unit or the aquifer itself is immediately underneath. To escape all uf this and to stay within the bounds of Pender County requires a pipeline to the Watha/Willard/ Penderl,ea area for Page 4 land application onto upland farmland and timber land. m Note that an interbasin transfer should not be an issue here since the source of Surf Citv's water i» groundwater. o Capital cost estimates have not yet been prepared for these alternatives. However, HUGHF|LLfuUy expects that the triggers in the State Environmental Policy Act(SEPA) will be tripped. Also, a project nf this magnitude may result in the need for federal funding of some kind. Therefore, the National Environmental Policy Act(NEPA) may also betriggered. w February2821: Wachovia tract located north of Holly Ridge in Pender and Onslow counties—HIGHFILL coordinated with LMGtoground truth this 1,l27-acre±tract for use for land application. This tract has potential for direct access off of the existing effluent transmission main on NC Hwy 50. LIVIG determined that only about 15 acres of this tract was suitable for direct wetting for land application. |t further estimated that no more than 3[LOUOto4[\0ÓOgpd could be land applied nn this tract. The town decided not to pursue this further. m Apri| Z8Il: The town entered into a contract with HIGHFILL to complete Phase 11 of its Wastewater Master Plan. The basic goals of Phase 11 are to concentrate on developing and comparing three independent treated wastewater effluent disposal alternatives to achieve a �otal disposal capacity of 3.0 mgd: o NPIDES discharge to the Northeast Cape Fear River(NECF) River upstream of Lanes Ferry(NC Hwy 210 bridge) o NPDES discharge toNE[F River at Smith's Bridge (NC Hwy S3) n Niondischaqge land application to the VVa1ha /Willard/ Pender|eaarea, o Additional consideration of the reclaimed water system (to irrigate dunes on the island that are proposed to be part of the USACE Coastal Storm Risk Management project) is currently on hold pending additional feedback from the USACE. |tis therefore not included in this scope of work at this time. o 1u|yZO2I: The preliminary findings of Phase 11 of the above Wastewater Master Plan were presented and discussed at scnping meeting with representatives nfNCDENR. The discussion concentrated on the technical aspects of modeling two, potential discharge locations onthe Northeast Cape Fear River: • NCDENR expressed concern that the existing model had not been updated since about 2005. • NCDENR Wilmington Regional Office noted that it had been collecting water quality data on the river in the interim and volunteered to share this data so that the mode[could be updated and re-calibrated aswarranted. • NPDES Unit staff requested that a formal speculative limits request be made prior to, reviewing the issue any further. • Other water quality concerns related to swamp waters were also expressed by the NPDES Unit staff. w Áu0ustZ0J1: At the request of the town, HIGHFILL developed and presented a detailed engineering study of the VVTP softening residuals process waste stream. Currently this waste is discharged to the tuvvn's sanitary sewer. According to,annual reports prepared by LMG for the Sarge Martin and Juniper Swamp WW land application sites,the salt in the wastewater over time is detrimental to the land application capacity of the sites. The softening brine waste from the WTP is the single largest point source of this salt in:the sanitary sewer collection system. The study recommended: o Installation of a diffused discharge of the brine waste into the A[CW at Sears Landing via a proposed discharge permit o The town could retrieve an annual average of 14,590 gpd of sewer capacity now and up to 38,290 gpd in the future when the VVTP reaches its design capacity o The TDS content of the treated WW effluent being land applied would be reduced by about 40% (based on2019da1a). o A complete NPIDES permit application package was submitted to the NPIDES Unit in August 2021. The permit is reportedly being drafted now. w October2Q21: The town submitted a NPDES speculative limits request to the NPDES Unit fortwo separate locations Vn the NECFRiver: about one mile upstream of Lanes Ferry bridge (NC Hwy 210),and just downstream of Smith's Bridge (NC Hwy 53\. Included with this request was a modeling report prepared by HDR (HlGHFILL's subcnnaoUtantnn the master plan). This report was based onan updated and calibrated model of the NECF River. It provided suggested discharge limits for these two locations and evaluated the impact of a proposed discharge to the NECFRiver. Page � 5 * Aph| 2QZ2: HIGHFILL's soil scientist subconsultant, Land Management Group (now Davey Resource Group), submitted a draft report of its field investigations in the area just east of Watha. This report,once reviewed and finalized, will be used to further develop the land application alternative for the master plan. • Fall 2022: HIGHFILL anticipates having the master plan completed and ready to submit to the town and state for review. This will be immediately followed by Phase ||| of the master plan. Phase III will include a CQRM|X analysis of a diffused discharge (NECF River is tidal in both proposed locations.). The need for the CORK0|% analysis assumes for now that a discharge will be determined to be the preferred alternative. |t will also include an environmental assessment to support the preferred alternative determined by the Phase 11 report. It is anticipated that this entire package (Phase 11 report and Phase III reports)will then be submitted to the NPIDES Unit along with a permit application. * The bulk of the wastewater expansion labor has been undertaken by HighfiII but several other investigations have occurred outside Highfil['s prevue. These projects have been listed below: 0, Michael Gallant was contracted to inves1igate high-rate infiltration lagoons at the Sarge Martin and Juniper Swamp site in January 2021. Since then, hydrological studies have been completed and several scoping meetings with members of NCDEQ was held.A design was agreed upon in November 2021.This project is project to yield approximately 40,000,and 150,000 gpd of disposal respectively,This project is in design and permitting phase. Due to the long response times of NCDEQ,a project timeline cannot be estimated, o In September 2�21,the town contracted with Applied Resource Management to investigate the soil conditions of town parklands for beneficial reuse.This land has shown a potential of greater than 100,000 gpd of wastewater capacity. Currently the Town is in negotiation with McKim and Creed to perform a feasibility and cost analyst of moving toward a reuse system. Section L.1: Progress on Previously Permitted Modifications: * Both proposed mechanical bar screens and associated equipment and grating repairs/ upgrades have been installed. They were certified byHKGHHLLon January 2U,202I. The third disc filter has been installed, was certified by HIGHFILL on April 4, 2022, and was approved to be used by the Wilmington Regional Office of NCDEQ DWR on April 5, 2022. This completes all work for this project with the following exceptions: • Final installation of the ACS Cart to assist the operators in better maintaining all three-disc filters (NOT required for the disc filters tnfunction) o Semi-final inspection and development of final punch list o Final inspection o Project closeout. o Surf City is expecting final certification and project completion in May of 2022. To speak more about the Town in conflict with the requirements of 15A NCAC 02T.0118: ° Using the strict language of how to calculate the percent of hydraulic capacity being used in 15A NCAC 02T.0118 a,ndca|cu|atinga |inearre0ressiomofannua| averagedai|yf|mw(ADF) fnommZO00to30Z1, indusive, comprisedof eight data points, the following has been calculated: o Linear regression r2 =8.9SSS. This indicates a very good linear fit nfthe flow data over the past 2l years. n Controlling hydraulic capacity=O.76780Orngd o 8O%uf controlling hydraulic capacity=O.61424Umgd o 9Q96of controlling hydraulic capacity=O.691OI0m0d o The linear regression predicts that 8096 was reached during 2019. However, based ona strict reading of 1SANCA[O2T.0118, 8096 was not exceeded until 2O2O. Actual annual A0F for 201Q and Z0Z0was O.S76S5Im8d and O.8496O9mn8d, respectively, o The linear regression predicts that 9096 will be reached inI0Z2. o Daily flow data for calendar year 2021 shows an annual AÚF of 0.682858 mgd. This is less than 9O%. ° The Town of Surf City retained H|GHF|LLin late 2817to begin evaluating both acute and long term treated effluent disposal alternatives to increase disposal capacity. Work was begun in earnest in early 2O18. Refer to the first response,above for a list of33 items completed orinprocess. The 2018 annual ADF was 0.S52O78mgd or about 7Z96ofcapacity. Page | 6 While Hk3HRLL-is conducting work on thetovvn's Phase U wastewater master plan, the town planner is working with the Council of Government to comiplete a multi-year land planning master plan. Key information nnfuture development and growth areas for the sanitary sewer system are expected to be delivered in draft form to the town in late June of this year. This information will be delivered to HIGHFILL for use in finalizing sewer flow projections and timelines for its Phase 11 wastewater master plan, scheduled to be delivered to the town in final draft form inthe Fall ofIO22. Refer to the first response above for details of the Phase 11 master plan that HIGHFILL is preparin�. The final draft to be delivered this fall will include details and estimated budgets for each long-term alternative. A detailed timeline for the chosen alternative will also beincluded. Assuming for discussion that the preferred alternative will be a discharge to the NECF River, the town will immediately follow the Phase || master plan with Phase III: environmental assessment of the preferred alternative, CORMIX analysis of a diffused discharge into tidal water,and a NPDES permit application. ° In addition to working to expand wastewater treatment and expansion, Surf City adopted several policies to improve the situation. o kn July Z0ZU, Surf City adopted a utility rate increase with an escalating scale ln order toencourage conservation among the sewer users. • Surf City is in the process of installing an Advance Meter Infrastructure reading system to have better accounting of the usage,of sewer and to make the residents more invested in their sewer use. • Surf City continues to strengthened its infiltration and inflow program to reduce the unnecessary flow to the wastewater plant. o Town Staff stopped accepting new sewer permits that add permitted capacity to the wastewater system on March 26th, 2021, until a wastewater treatment plant expansion can be achieved. I hope this summary helps,address NCDE(Xs questions and concerns.As you can see, Surf City has been making every attempt to find a solution to the area's need for an expansion of service. If NCDEQ can provide any assistance in this matter it would be greatly appreciated. If you need any more information on this application:or any other matter, please donut hesitate to contact David Price, Surf City Director of Public Utilities, or myself.Thank you. Regards, Kyle M1J �/� Townity �S TovvnWYana Pe 7 Perm it No. WQ0000795 Wastewater Irrigation System Town of Surf City October 3,2018 Town of Surf City WWTF Onslow County ENGINEERING CERTIFICATION Partial E Final For completion of the installation of the two mechanical bar screens. In accordance with 15A NCAC 02T .0116,I._ Paul R. Shivers, PE ,as a duly registered Professional Engineer in the State of North Carolina,having the Permittee's authorization to[g] periodically E weekly I fully observe the construction of the permitted facility,hereby state to the best of my abilities that due care and diligence was used in the observation of the construction, such that the facility was built within substantial compliance and intent of this permit, the Division-approved plans and specifications, and other supporting documentation. El Any variation to this permit, the Division-approved plans and specifications, and other supporting documentation has been documented in the attached as-built drawings, and shall serve as the Perrnittee's minor modification request to amend the permit accordingly. Provide a brief narrative description of any variations; There are no variations from the approved plans and specifications for this project. This is a partial certification for the replacement of the existing band screen with a mechanical bar screen and the addition of a second mechanical bar screen. .00413F Z500,0 Professional Engineer's Name Paul R. Shivers, Li/ 0• /..5" Engineeriu PE SEAL 1-lighfill Infrastructure Engineering, P.C. 030236 :1":7 Mailing Address I/20/2-2-] I 3804 Park Avenue, Unit A NC 28403 City Wilmington State ' Zip 910-313-1516 Paul R. Shivers, PE Telephone NC PE Seal,Si. ature&Date THE COMPLETED ENGINEERING CERTIFICATION,INCLUDING ALL SUPPORTING INFORMATION AND MATERIALS,SHALL BE SENT TO THE FOLLOWING ADDRESS: NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES NON-DISCHARGE BRANCH NON-DISCHARGE PERMITTING UNIT By Courier/Special Delivery: BY U.S.Postal Service; 1617 MAIL SERVICE CENTER 512 N. SALISBURY ST. RALEIGH,NORTH CAROLINA 27699-1617 RALEIGH,NORTH CAROLINA 27604 WQ00000795 Version 4.2 Shell Version 1807 1 1 Page 1 I of I Permit No. WQ0000795 Wastewater Irrigation System Town of Surf City October 3, 2018 Town of Surf City WWTF Onslow County ENGINEERING CERTIFICATION Partial Final In accordance with 15A NCAC 02T.0116,I,_ Paul R. Shivers, PE ,as a duly registered Professional Engineer in the State of North Carolina,having the Permittee's authorization to Ei periodically E weekly E fully observe the construction of the permitted facility,hereby state to the best of my abilities that due care and diligence was used in the observation of the construction, such that the facility was built within substantial compliance and intent of this permit, the Division-approved plans and specifications, and other supporting documentation. 11 Any variation to this permit, the Division-approved plans and specifications, and other supporting documentation has been documented in the attached as-built drawings, and shall serve as the Permittee's minor modification request to amend the permit accordingly. Provide a brief narrative description of any variations: This is a partial certification for construction and operation of: one additional disc filter per Permit No. WQ0000795 dated October 3, 2018. Attached is an as-built drawing indicating an additional 20-inch spool piece and 20-inch plug valve required for installation. Professional Engineer's Name I %Iona nun% 011\tA d'AjZ? 1°4 Paul R. Shivers,PE Engineering Firm 4 7 Highfill Infrastructure Engineering,P.C. S L - 03236 Mail mg Address eil2, 3804 Park Avenue, Unit A NC 1 28403 7/, s'• City Wilmington State Zip tte1140 910-313-1516 1 Paul R. Shivers,PE Telephone E-mail NC PE Seal, Signature&Date THE COMPLETED ENGINEERING CERTIFICATION,INCLUDING ALL SUPPORTING INFORMATION AND MATERIALS,SHALL BE SENT TO THE FOLLOWING ADDRESS: NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES NON-DISCHARGE BRANCH NON-DISCHARGE PERMITTING UNIT By Courier/Special Delivery: By U.S. Postal Service: 1617 MAIL SERVICE CENTER 512 N. SALISBURY ST. RALEIGH,NORTH CAROLINA 27699-1617 RALEIGH,NORTH CAROLINA 27604 WQ00000795 Version 4.2 Shell Version 180711 Page 11 of]]