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WQ0005233_Final Permit_20240124
ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director NORTH CAROLINA Environmental Quality January 24, 2024 ANTHONY A. FERENCE — DEPUTY FACILITIES DIRECTOR US MCAS CHERRY POINT PSC BOX 8006 CHERRY POINT, NORTH CAROLINA 28533-0006 Subject: Permit No. WQ0005233 Enlisted Men's Barracks — Atlantic Airfield WWTF Wastewater Irrigation System Carteret County Dear Mr. Ference, In response to your permit renewal request received on November 6, 2023, we are forwarding herewith Permit No. WQ0005233 dated January 24, 2024, to US MCAS Cherry Point for the continued operation of the subject wastewater treatment and irrigation facilities. This permit is effective from July 1, 2024, through June 30, 2032, shall replace Permit No. WQ0005233 issued on February 4, 2020, and is subject to the conditions and limitations therein. The Permittee shall submit a renewal application no later than January 2, 2032. Please pay attention to the monitoring requirements listed in Attachments A, B, and C for they may differ from the previous permit issuance. Failure to establish an adequate system for collecting and maintaining the required operational information may result in future non-compliance. The Division has removed the following permit conditions since the last permit issuance dated February 4, 2020: ➢ Old Condition L1 —The Division has removed this condition because the Division received the Engineering Certification on October 1, 2020. ➢ Old Condition L2 — The Division has removed this condition because the Division has conducted the startup inspection. ➢ Old Condition IL3 — The Division has removed this condition because the Permittee has constructed the monitoring wells. ➢ Old Condition IL 11— The Division has removed this condition because the Permittee owns all the land containing the irrigation area. ME ��� North Carolina Department of Environmental Quality i Division of Water Resources 512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617 NORTH CAROLINA ©eca.. or 919,707,9000 Mr. Anthony A. Ference January 24, 2024 Page 2 of 2 The following permit conditions are new or modified since the last permit issuance dated February 4, 2020: ➢ Condition IV.8 — The Division modified this condition to require the Permittee to maintain records of all residuals removed from the facility for eight years. ➢ Condition IV.9 — The Division modified this condition to require the Permittee to keep maintenance log records for eight years. ➢ Condition V1.10 —This condition requires the Permittee pay an annual fee for each year of the term of this permit. This permit can be contested as provided in Chapter 150B of the North Carolina General Statutes by filing a Petition for a Contested Case Hearing (Petition) with the North Carolina Office of Administrative Hearings (OAH) within 30 calendar days. Requirements for filing a Petition are set forth in Chapter 150B of the North Carolina General Statutes and Title 26 of the North Carolina Administrative Code. Those interested in filing may access additional information regarding the requirements for filing a Petition and Petition forms at the OAH website or by calling the OAH Clerk's Office at (919) 431-3000. A party filing a Petition shall serve a copy of the Petition on the Department of Environmental Quality's Office of General Counsel at 1601 Mail Service Center, Raleigh, NC 27699-1601. If the party filing the Petition is not the Permittee, then the party shall also serve the Permittee pursuant to G.S. 15013-23(a). If you need additional information concerning this permit, please contact Leah Parente at (919) 707-3656 or leah.parentekdeq.nc.gov. Sincerely, � Do�cuyySignedby- Richard E. Rogers, Jr., Director Division of Water Resources cc: Carteret County Health Department (Electronic Copy) Wilmington Regional Office, Water Quality Regional Operations Section (Electronic Copy) Laserfiche File (Electronic Copy) Digital Permit Archive (Electronic Copy) NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENTAL QUALITY RALEIGH WASTEWATER IRRIGATION SYSTEM PERMIT Pursuant to the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO US MCAS Cherry Point Carteret County FOR THE continued operation of a 5,000 gallon per day (GPD) wastewater treatment and irrigation facility consisting of - an influent pump station with dual 80 GPM submersible grinder pumps and a high-water alarm system; a 100 kilowatt (kW) generator that will serve as a standby power source for the pump station; a 247,000 gallon synthetically lined primary stabilization lagoon; a 78,000 gallon synthetically lined polishing and storage pond; a tablet chlorinator; dual irrigation pumps with flow measuring and recording equipment; an emergency pump connection; a 1.75 acre spray irrigation area consisting of three fields; and all associated piping, valves, controls, and appurtenances to serve the Enlisted Men's Barracks — Atlantic Airfield WWTF, with no discharge of wastes to surface waters, pursuant to the application received on November 6, 2023, and in conformity with the Division - approved plans and specifications considered a part of this permit. This permit is effective from July 1, 2024, through June 30, 2032, shall replace Permit No. WQ0005233 issued on February 4, 2020, and is subject to the following conditions and limitations: I. SCHEDULES 1. If the permitted facilities change ownership or the Permittee changes its name, the Permittee shall submit a permit modification request on Division -approved forms within 90 days of the change of ownership. The Permittee shall comply with all terms and conditions of this permit until the Division transfers the permit to the successor -owner. [G.S. 143-215.1(d3)1 2. The Permittee shall request renewal of this permit on Division -approved forms no later than January 2, 2032. [15A NCAC 02T .0105(b), 02T .0109] WQ0005233 Version 6.0 Shell Version 230725 Page 1 of 9 IL PERFORMANCE STANDARDS The Permittee shall operate and maintain the subject wastewater treatment and irrigation facilities so there is no discharge to surface waters, nor any contravention of groundwater or surface water standards. In the event the facilities do not perform as designed, including the creation of nuisance conditions due to improper operation and maintenance, or failure of the irrigation areas to assimilate the effluent, the Permittee shall take immediate corrective actions, including Division -required actions, such as the construction of additional or replacement wastewater treatment or disposal facilities. [ 15A NCAC 02T .0108(b)(1)(A)] 2. This permit shall not relieve the Permittee of its responsibility for contravention of groundwater or surface water standards resulting from the operation of this facility. [15A NCAC 02T .0108(b)(1)(A)] 3. Effluent quality shall not exceed the limitations specified in Attachment A. [ 15A NCAC 02T .0505(b)] 4. The Permittee shall not irrigate effluent in exceedance of the hydraulic and agronomic rates specified m Attachment B. [ 15A NCAC 02T .0505(c), 02T .0505(n)] The Permittee shall connect the irrigation system to a rain or moisture sensor designed to prevent irrigation during precipitation events or wet conditions. [ 15A NCAC 02T .0505(x)1 6. For wastewater irrigation fields originally permitted on or after December 30, 1983, the Division has established the compliance boundary 250 feet from the irrigation area boundary or 50 feet within the property boundary, whichever is closest to the irrigation area boundary. Any exceedance of groundwater standards at or beyond the compliance boundary shall require the Permittee to take corrective action. The Division shall note any Division -approved relocation of the compliance boundary in Attachment B. The Division shall consider multiple contiguous properties under common ownership and permitted for use as a disposal system as a single property regarding the determination of a compliance boundary. [15A NCAC 02L .0106(e), 02L .0107(b), 02L .0107(c), 02L .0107(f), 02T .0105(111] 7. The Division has established the review boundary midway between the compliance boundary and the irrigation area boundary. Any exceedance of groundwater standards at or beyond the review boundary shall require the Permittee to take preventative action. [ 15A NCAC 02L .0106(d), 02L .0108] 8. The Permittee shall notify the Division of any sale or transfer of property affecting a compliance boundary (i.e., parcel subdivision). [15A NCAC 02L .0107(1)] 9. The Permittee or any landowner who owns land within the compliance boundary shall not construct any water supply wells within the compliance boundary. [ 15A NCAC 02L .0107(i)] WQ0005233 Version 6.0 Shell Version 230725 Page 2 of 9 10. The Permittee shall operate and maintain the permitted facilities pursuant to the following setbacks: a. The Division permitted modifications to Fields 1 and 2 on June 4, 2010, with an application received on November 23, 2009, and originally permitted Field 3 on February 7, 2018, with an application received on July 14, 2017. The setbacks for spray irrigation sites originally permitted or modified with an application received from September 1, 2006, through August 31, 2018, are as follows (all distances in feet): I. Each habitable residence or place of assembly under separate ownership: 400 1 ii. Each habitable residence or place of assembly owned by the Permittee: 200 iii. Each private or public water supply source: 100 iv. Surface waters: 100 v. Groundwater lowering ditches: 100 vi. Surface water diversions: 25 vii. Each well with exception of monitoring wells: 100 viii. Each property line: 150 Z ix. Top of slope of embankments or cuts of two feet or more in vertical height: 15 x. Each water line: 10 xi. Subsurface groundwater lowering drainage systems: 100 xii. Each swimming pool: 100 xiii. Public right of way: 50 xiv. Nitrification field: 20 xv. Each building foundation or basement: 15 ' Habitable residences or places of assembly under separate ownership constructed after the Division originally permitted or subsequently modified the facilities are exempt from this setback. 2 Setbacks to property lines are not applicable when the Permittee, or the entity from which the Permittee is leasing, owns both parcels separated by the property line. [ 15A NCAC 02T .0506(a), 02T .0506(c),] b. The Division originally permitted the treatment and storage units on June 4, 2010, with an application received on November 23, 2009. The setbacks for treatment and storage units originally permitted or modified with an application received from September 1, 2006, through August 31, 2018, are as follows (all distances in feet): I. Each habitable residence or place of assembly under separate ownership: 100, ii. Each private or public water supply source: 100 iii. Surface waters: 50 iv. Each well with exception of monitoring wells: 100 v. Each property line: 50 2 ' Habitable residences or places of assembly under separate ownership constructed after the Division originally permitted or subsequently modified the facilities are exempt from this setback. 2 Setbacks to property lines are not applicable when the Permittee, or the entity from which the Permittee is leasing, owns both parcels separated by the property line. [ 15A NCAC 02T .0506(b)] WQ0005233 Version 6.0 Shell Version 230725 Page 3 of 9 c. The Division originally permitted the 80 GPM influent pump station on February 4, 2020, with an application received on September 3, 2019. The setbacks for treatment and storage units originally permitted or modified with an application received on or after September 1, 2018, are as follows (all distances in feet): I. Each habitable residence or place of assembly under separate ownership: 100, ii. Each private or public water supply source: 100 iii. Surface waters: 50 iv. Each well with exception of monitoring wells: 100 v. Each property line: 50 2 Habitable residences or places of assembly under separate ownership constructed after the Division originally permitted or subsequently modified the facilities are exempt from this setback. 2 Setbacks to property lines are not applicable when the Permittee, or the entity from which the Permittee is leasing, owns both parcels separated by the property line. [ 15A NCAC 02T .0506(b), 02T .0506(e), 02T .0506(f) OPERATION AND MAINTENANCE The Permittee shall operate and maintain the subject facilities as anon -discharge system. [15A NCAC 02T .0101] 2. The Permittee shall maintain an Operation and Maintenance Plan, which shall include: a. A description of the operation of the system in sufficient detail to show what operations are necessary for the system to function and who shall conduct the operations. b. A description of the anticipated maintenance of the system. c. Provisions for safety measures, including restriction of access to the site and equipment. d. Spill control provisions that include response to upsets and bypasses, including control, containment, and remediation; and contact information for personnel, emergency responders, and regulatory agencies. [ 15A NCAC 02T .0507(a)1 Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC) classification of the subject non -discharge facilities, the Permittee shall designate and employ a certified Operator in Responsible Charge (ORC), and one or more certified operators as Back-up ORCs. The ORC or its Back-up shall operate and visit the facilities as required pursuant to 15A NCAC 08G .0204 and 08G .0205. [ 15A NCAC 02T .0117] 4. The Permittee shall maintain a year-round vegetative cover on the irrigation area such that crop health is optimal and allows even effluent distribution and inspection of the irrigation system. [15A NCAC 02T .0507(b)] 5. The Permittee shall take measures to prevent effluent ponding in or runoff from the irrigation area. [ 15A NCAC 02T .0507(c)1 6. The Permittee shall not irrigate treated effluent during inclement weather or when the soil is in a condition that will cause ponding or runoff. [ 15A NCAC 02T .0505(x)] 7. The Permittee shall test and calibrate the irrigation equipment once per permit cycle. [ 15A NCAC 02T .0507 d WQ0005233 Version 6.0 Shell Version 230725 Page 4 of 9 8. The Permittee shall only irrigate treated effluent from the Enlisted Men's Barracks — Atlantic Airfield WWTF onto the sites listed in Attachment B. [15A NCAC 02T .0501] 9. The Permittee shall not allow vehicles or heavy machinery on the irrigation area, except during equipment installation or maintenance activities. [ 15A NCAC 02T .0507(e)] 10. The Permittee shall prohibit public access to the wastewater treatment, storage, and irrigation facilities. [ 15A NCAC 02T .0505(g)] 11. The Permittee shall dispose of or utilize generated residuals in a Division -approved manner. [15A NCAC 02T .0508, 02T .1101]. 12. The Permittee shall not divert or bypass untreated or partially treated wastewater from the subject facilities. [15A NCAC 02T .0505(i)] 13. The Permittee shall maintain a freeboard of not less than two feet in the 247,000 gallon synthetically lined primary stabilization lagoon and the 78,000 gallon synthetically lined polishing/storage pond. [ 15A NCAC 02T .0505(d)] 14. The Permittee shall provide gauges to monitor freeboard levels in the 247,000 gallon synthetically lined primary stabilization lagoon and the 78,000 gallon synthetically lined polishing/storage pond. These gauges shall have readily visible permanent markings, at inch or tenth of foot increments, indicating the following elevations: the maximum liquid level at the top of the temporary liquid storage volume, the minimum liquid level at the bottom of the temporary liquid storage volume, and the lowest point on top of the dam. [ 15A NCAC 02T .0507(f)] 15. The Permittee shall establish and maintain a protective vegetative cover on all berms, pipe runs, erosion control areas, surface water diversions, and earthen embankments (i.e., the outside toe of the embankment to the maximum allowable temporary storage elevation on the inside of the embankment). The Permittee shall remove all trees, shrubs, and other woody vegetation from earthen dikes and embankments. The Permittee shall keep all earthen embankments mowed or otherwise controlled and accessible. [ 15A NCAC 02T .0507(g)1 16. The Permittee shall test and calibrate metering equipment annually. [15A NCAC 02T .0507(d)] 17. The Permittee shall provide and maintain onsite an automatically activated standby power source capable of powering all essential treatment units. If the Permittee employs a generator as an alternate power supply, the Permittee shall test it weekly. [15A NCAC 02T .0505(1)1 IV. MONITORING AND REPORTING 1. The Permittee shall conduct and report any Division -required monitoring, including the monitoring of groundwater, surface water or wetlands, waste, wastewater, residuals, soil, treatment processes, lagoon or storage ponds, and plant tissue, if necessary to evaluate this facility's impact on groundwater and surface water. [ 15A NCAC 02T .0108(c)] 2. A Division -certified laboratory shall conduct all analyses for the required parameters specified in Attachments A and C. Parameters measured on -site with in -line metering equipment are exempt from a Division -certified laboratory analysis. [ 15A NCAC 02H .0805] The Permittee shall continuously monitor flow through the treatment facility and report daily flow values on Form NDMR. Facilities with a permitted flow of less than 10,000 GPD may estimate its flow from water usage records provided the water source has a metering device. [15A NCAC 02T .0105 k , 02T .0108(c)] 4. The Permittee shall monitor the treated effluent at the frequencies and locations for the parameters specified in Attachment A. [15A NCAC 02T .0105(k), 02T .0108(c)1 WQ0005233 Version 6.0 Shell Version 230725 Page 5 of 9 5. The Permittee shall maintain records tracking the amount of effluent irrigated, which shall include the following information for each irrigation site listed in Attachment B: a. Date of irrigation. b. Volume of effluent irrigated. c. Site irrigated. d. Length of site irrigation time. e. Continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings. £ Continuous monthly and year-to-date loadings for any non -hydraulic parameter specifically limited in Attachment B. g. Weather conditions. h. Maintenance of cover crops. [ 15A NCAC 02T .0108(c 6. The Permittee shall measure and record weekly to the nearest inch or tenth of a foot of freeboard (Le., the waste level to the lowest embankment elevation) in the 247,000 gallon synthetically lined primary stabilization lagoon and the 78,000 gallon synthetically lined polishing/storage pond. The Permittee shall maintain the weekly freeboard records for eight years and shall make them available to the Division upon request. [ 15A NCAC 02T .0108(c)] 7. On or before the last day of the month following the previous month's sampling, the Permittee shall submit monitoring data (as specified in Conditions IV.3 and IVA) on Form NDMR for each PPI and operation and disposal records (as specified in Conditions IV.S and IV.6) on Form NDAR-1 for every site in Attachment B. If no activities occurred during the monitoring month, the Permittee shall still submit monitoring reports documenting the absence of the activity. The Permittee shall submit the reports via the Non -Discharge monitoring report portal. [15A NCAC 02T .0105(1)] 8. The Permittee shall maintain records of all residuals removed from this facility. The Permittee shall maintain these records for eight years and shall make them available to the Division upon request. These records shall include: a. Name of the residuals hauler. b. Non -Discharge permit number authorizing the residuals disposal, or a letter from a municipality agreeing to accept the residuals. c. Residuals hauling date. d. Volume of residuals removed. [ 15A NCAC 02T .0508(b)] 9. The Permittee shall keep a log of all maintenance done at this facility. The Permittee shall maintain this log for eight years and shall make it available to the Division upon request. This log shall include: a. Date of flow measurement device calibration. b. Date of irrigation equipment calibration. c. Visual observations of the plant and plant site. d. Record of preventative maintenance (e.g., changing of equipment, adjustments, testing, inspections, cleanings, etc.). e. Date and results of the alternate power supply testing. [ 15A NCAC 02T .0507(h)] 10. The Permittee shall sample monitoring wells MW-3, MW-4, MW-5, and MW-6 at the frequencies and for the parameters specified in Attachment C. [ 15A NCAC 02T .0105(m)] 11. On or before the last day of the month following the previous month's sampling, the Permittee shall submit a Compliance Monitoring Form (GW-59) and its associated laboratory analyses for each monitoring well in Attachment C. The Permittee shall submit the Compliance Monitoring Forms via the Non -Discharge monitoring report portal. [15A NCAC 02T .0105(m)] WQ0005233 Version 6.0 Shell Version 230725 Page 6 of 9 12. The Permittee shall conduct an annual representative soil analysis (i.e., Standard Soil Fertility Analysis) on each irrigation site listed in Attachment B. The Permittee shall maintain these results at the facility for eight years and shall make them available to the Division upon request. Each Standard Soil Fertility Analysis shall include the following parameters: Acidity Exchangeable Sodium Percentage Phosphorus Base Saturation (by calculation) Magnesium Potassium Calcium Manganese Sodium Cation Exchange Capacity Percent Humic Matter Zinc Copper pH [15A NCAC 02T .0108(c)] 13. Noncompliance Notification: The Permittee shall report to the Wilmington Regional Office, telephone number (910) 796-7215, within 24 hours of first knowledge of the following: a. Treatment of wastes abnormal in quantity or characteristic, including the known passage of a hazardous substance. b. Any process unit failure (e.g., mechanical, electrical, structural, etc.) that makes the facility incapable of adequate wastewater treatment. c. Any facility failure resulting in a discharge to surface waters. d. Any time self -monitoring indicates the facility has gone out of compliance with its permit limitations. e. Ponding in or runoff from the irrigation sites. Emergencies requiring reporting outside normal business hours shall call the Division's Emergency Response personnel at the telephone number (800) 858-0368. All noncompliance notifications shall file a written report to the Wilmington Regional Office within five days of first knowledge of the occurrence, and this report shall outline the actions proposed or taken to ensure the problem does not recur. [15A NCAC 02T .0108(b)(1)(A)1 V. INSPECTIONS 1. The Permittee shall perform inspections and maintenance to ensure proper operation of the wastewater treatment and irrigation facilities. [15A NCAC 02T .0507(i)1 2. The Permittee shall inspect the wastewater treatment and irrigation facilities to prevent malfunctions, facility deterioration, and operator errors that may result in discharges of wastes to the environment, threats to human health, or public nuisances. The Permittee shall maintain an inspection log that includes the date and time of inspection, observations made, and maintenance, repairs, or corrective actions taken. The Permittee shall maintain this inspection log for eight years from the date of the inspection and shall make this log available to the Division upon request. [ 15A NCAC 02T .0507(h), 02T .0507(i)1 Division -authorized representatives may, upon presentation of credentials, enter and inspect any property, premises, or place related to the permitted wastewater treatment and irrigation facilities at any reasonable time for determining compliance with this permit. Division -authorized representatives may inspect or copy records maintained under the terms and conditions of this permit and may collect influent, treatment process water, effluent, residual, soil, plant tissue, groundwater, or surface water samples. [G.S. 143-215.3(a)(2)1 WQ0005233 Version 6.0 Shell Version 230725 Page 7 of 9 Vl. GENERAL 1. The Permittee's failure to comply with this permit's conditions and limitations may subject the Permittee to a Division enforcement action. [G.S. 143-215.6A, 143-215.6B, 143-215.6C] 2. This permit is effective only for the nature and volume of wastes described in the permit application and Division -approved plans and specifications. [G.S. 143-215.1(d)1 3. There are no variances to administrative codes or general statutes governing the construction or operation of the permitted facilities unless the Permittee specifically requested a variance in the application and the Division approved the variance as noted in this permit's facility description. [15A NCAC 02T .0105(b)] 4. This permit does not exempt the Permittee from complying with all statutes, rules, regulations, or ordinances that other jurisdictional government agencies (e.g., local, state, and federal) may require. [15A NCAC 02T .0 1 08(b)(1)(A)] 5. The Permittee shall retain this permit and the Division -approved plans and specifications for the life of the permitted facilities. [15A NCAC 02T .0105(o), 02T .0116(d)] 6. The Permittee shall comply with all permit conditions and requirements until the proper closure of the permitted facilities, or until another appropriate authority permits the facilities. [15A NCAC 02T .0105 ] 7. This permit is subject to revocation or modification upon 60-day notice from the Division Director in whole or part for: a. Violation of any terms or conditions of this permit or 15A NCAC 02T. b. Obtaining a permit by misrepresentation or failure to disclose all relevant facts. c. The Permittee's refusal to allow authorized Department employees upon presentation of credentials: I. To enter the Permittee's premises where a system is located or where the Permittee keeps any Division -required records under the terms and conditions of this permit. ii. To have access to any permit -required documents and records. iii. To inspect any monitoring equipment or method as required in this permit. iv. To sample any pollutants. d. The Permittee's failure to pay the annual fee for administering and compliance monitoring. e. A Division determination that the conditions of this permit conflict with the North Carolina Administrative Code or General Statutes. [ 15A NCAC 02T .01101 WQ0005233 Version 6.0 Shell Version 230725 Page 8 of 9 8. Unless the Division determines that the Permittee needs a permit modification for the construction of facilities to resolve non-compliance with any environmental statute or rule, or the Division Director grants a variance, expansion of the permitted facilities shall not occur if any of the following apply: a. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has been convicted of environmental crimes under G.S. 143-215.6B or under Federal law that would otherwise be prosecuted under G.S. 143-215.6B, and the Permittee or any parent, subsidiary, or other affiliate of the Permittee has abandoned or exhausted all appeals of this conviction. b. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has previously abandoned a wastewater treatment facility without properly closing the facility in accordance with its permit or 15A NCAC 02T. c. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has not paid a civil penalty, and the Permittee or any parent, subsidiary, or other affiliate of the Permittee has abandoned or exhausted all appeals of this penalty. d. The Permittee or any parent, subsidiary, or other affiliate of the Permittee is currently not compliant with any compliance schedule in a permit, settlement agreement, or order. e. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has not paid an annual fee pursuant to 15A NCAC 02T .0105(e)(2). [ 15A NCAC 02T .0120(b), 02T .0120(d)] 9. Unless the Division Director grants a variance, the Division shall not renew this permit if the Permittee or any affiliation has not paid an annual fee pursuant to 15A NCAC 02T .0I05(e)(2). [15A NCAC 02T .0120 c , 02T .0120(d)] 10. The Permittee shall pay an annual fee for each year of the term of this permit pursuant to the schedule in G.S. 143-215.31)(a). The Permittee shall continue to pay annual fees for any facility operating on an expired permit that the Division has not rescinded or revoked. [ 15A NCAC 02T .0105(e)(2)] Permit issued this the 24t" day of January 2024 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DocuSigned by: �J7 E 7. � / h111101 ct�L� D1043082680C483... O" Richard E. Rogers, Jr., Director Division of Water Resources By Authority of the Environmental Management Commission Permit Number WQ0005233 WQ0005233 Version 6.0 Shell Version 230725 Page 9 of 9 THIS PAGE BLANK ATTACHMENT A — LIMITATIONS AND MONITORING REQUIREMENTS US MCAS Cherry Point PPI 001— WWTF Effluent Certification Date: January 24, 2024 Permit Number: WQ0005233 Version: 6.0 EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS PCS Code Parameter Description Units of Measure Monthly Average Monthly Geometric Mean Daily Minimum Daily Maximum Measurement Frequency Sample Type 00310 BOD, 5-Day (20 °C) mg/L 60 3 x Year' Grab 00940 Chloride (as Cl) mg/L 3 x Year' Grab 50060 Chlorine, Total Residual mg/L Weekly Grab 31616 Coliform, Fecal MF, M-FC Broth, 44.5 °C #/100 mL 200 3 x Year' Grab 50050 Flow, in Conduit or thru Treatment Plant GPD 5,000 2 Monthly Estimate 01045 Iron, Total (as Fe) mg/L 3 x Year' Grab 00610 Nitrogen, Ammonia Total (as N) mg/L 3 x Year 1 Grab 00625 Nitrogen, Kjeldahl, Total (as N) mg/L 3 x Year 1 Grab 00620 Nitrogen, Nitrate Total (as N) mg/L 3 x Year Grab 00600 Nitrogen, Total (as N) mg/L 3 x Year Grab 00400 pH su Weekly Grab 00665 Phosphorus, Total (as P) mg/L 3 x Year 1 Grab 70300 Solids, Total Dissolved — 180 °C mg/L 3 x Year' Grab 00530 Solids, Total Suspended mg/L 90 3 x Year' Grab 1. The Permittee shall conduct 3 x Year sampling in March, July, and November. 2. Flow shall not exceed a total of 1,825,000 gallons over any consecutive twelve-month period. WQ0005233 Version 6.0 Attachment A Page 1 of 1 THIS PAGE BLANK ATTACHMENT B — APPROVED LAND APPLICATION SITES AND LIMITATIONS US MCAS Cherry Point Certification Date: January 24, 2024 Permit Number: WQ0005233 Version: 6.0 IRRIGATION AREA INFORMATION APPLICATION LIMITATIONS Field Owner Parcel No. County Latitude Longitude Net Dominant Parameter Hourly Yearly Units Acreage Soil Series Rate Max 1 United States of America 749201365613000 Carteret 34.881707' -76.350744' 0.5 Ln3a don 01284 — Non -Discharge Application Rate 0.26 67 inches 2 United States of America 749201365613000 Carteret 34.88178' -76.34986' 0.5 L -Leon 01284 — Non -Discharge Application Rate 0.26 67 inches Sand 3 United States of America 749201365613000 Carteret 34.882615' -76.350493' 0.75 Ln — Ldeon 01284 — Non -Discharge Application Rate 0.21 74.81 inches I San 1.75 WQ0005233 Version 6.0 Attachment B Page 1 of 1 THIS PAGE BLANK ATTACHMENT C — GROUNDWATER MONITORING AND LIMITATIONS US MCAS Cherry Point Monitoring Wells: MW-3, MW-4, MW-5, and MW-6 Certification Date: January 24, 2024 Permit Number: WQ0005233 Version: 6.0 GROUNDWATER CHARACTERISTICS GROUNDWATER STANDARDS MONITORING REQUIREMENTS PCS Code Parameter Description Daily Maximum Frequency Measurement Sample Type Footnotes 00680 Carbon, Total Organic (TOC) mg/L 3 x Year Grab 1,6 00940 Chloride (as Cl) 250 mg/L 3 x Year Grab 1 31616 Coliform, Fecal MF, M-FC Broth, 44.5 °C #/100 mL 3 x Year Grab 1 00610 Nitrogen, Ammonia Total (as N) 1.5 mg/L 3 x Year Grab 1 00620 Nitrogen, Nitrate Total (as N) 10 mg/L 3 x Year Grab 1 00400 pH 6.5-8.5 su 3 x Year Grab 1,2 00665 Phosphorus, Total (as P) mg/L 3 x Year Grab 1 70300 Solids, Total Dissolved - 180 °C 500 mg/L 3 x Year Grab 1 GWVOC Volatile Compounds (GW) Present: Yes/No Annually Grab 1, 4, 5 82546 Water Level, Distance from measuring point feet 3 x Year Calculated 1, 2, 3 1. The Permittee shall conduct 3 x Year monitoring in March, July, and November, and Annual monitoring in November. 2. The Permittee shall measure the water levels prior to purging the wells. The Permittee shall measure the depth to water in each well from the surveyed point on the top of the casing. The Perminee shall measure pH after purging and prior to sampling for the remaining parameters. 3. The Permittee shall survey the measuring points (top of well casing) of all monitoring wells to provide the relative elevation of the measuring point for each monitoring well. The Permittee shall survey the measuring points (top of casing) of all monitoring wells relative to a common datum. 4. Volatile Organic Compounds (VOC) — Analyze by one or more of the following methods: a. Standard Method 6200 B-2011, PQL at 0.5 �tg/L or less b. Standard Method 6200 C-2011, PQL at 0.5 gg/L or less c. SW-846 Method 8021 B, Low Concentration, PQL at 0.5 gg/L or less d. SW-846 Method 8260 D, Low Concentration, PQL at 0.5 gg/L or less e. Another method with prior approval by the Water Quality Permitting Section Chief Any method used shall meet the following qualifications: a. A Division -certified laboratory shall run any method used. b. The method used shall include all the constituents listed in Table 6200:I of Standard Methods. c. The method used shall provide a PQL of 0.5 �tg/L or less supported by laboratory proficiency studies as required by the Division's Laboratory Certification Branch. A Division -certified laboratory shall qualify (estimate) and report any constituents detected above the MDL but below the PQL of 0.5 gg/L. 5. If monitoring detects any volatile organic compounds (VOC), then the Permittee shall immediately contact the Wilmington Regional Office supervisor, telephone number (910) 796-7215, for further instructions regarding any additional follow-up analyses required. WQ0005233 Version 6.0 Attachment C Page 1 of 2 ATTACHMENT C — GROUNDWATER MONITORING AND LIMITATIONS Certification Date: January 24, 2024 US MCAS Cherry Point Permit Number: WQ0005233 Version: 6.0 6. If monitoring detects TOC concentrations greater than 10 mg/L in any downgradient monitoring well, the Permittee shall conduct additional sampling and analysis to identify the individual constituents comprising this TOC concentration. If the TOC concentration as measured in the background monitor well exceeds 10 mg/L, this concentration shall represent the naturally occurring TOC concentration. Any exceedances of this naturally occurring TOC concentration in the downgradient wells are subject to additional sampling and analysis as described above. 7. The Permittee shall report monitoring well data on Compliance Monitoring Forms (GW-59s) consistent with the nomenclature and location information provided in this attachment. 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