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HomeMy WebLinkAboutWQ0019907_Final Permit_20070510�OF 1i1 A 7- RQ Michael F. Lasky, Governor William G. Rnss Jr., Secretary CONorth Carolina Department of Environment and NAtural Resources Alan W. Klimek, P.E. Director Division of Water Quality May 10, 2007 Jimmy Powell — Deputy Operations Manager Onslow Water and Sewer Authority P.O. Box 1415 Jacksonville, NC 28540 Dear Mr. Powell: Subject: Permit No. WQ0019907 Holly Ridge WWTP Wastewater Surface Irrigation Onslow County In accordance with your permit renewal request received February 12, 2007, and subsequent additional information received March 8, 2007, we are forwarding herewith Permit No. WQ0019907, dated May 10, 2007, to Onslow Water and Sewer Authority for the continued operation of the subject wastewater treatment and surface irrigation facilities. This permit shall be effective from the date of issuance until April 30, 2012, shall void Permit No. WQOO19907 issued January 19, 2007, and shall be subject to the conditions and limitations as specified therein. Please pay particular attention to the monitoring requirements in this permit. Failure to establish an adequate system for collecting and maintaining the required operational information will result in future compliance problems. Please note the changes to the effluent monitoring requirements in Attachment A. If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. Unless such demands are made this permit shall be final and binding. If you need additional information concerning this matter, please contact Mattliew Fleahman at (919) 715-6173 or matthew.fleahman@ncmail.net. Sincerel , Z�Alan W. Klimek, P.E. cc: Onslow County Health Department Wilmington Regional Office, Aquifer Protection Section Technical Assistance and Certification Unit APS Central Files LAU Piles N AhCarolina atura!!y Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 Telephone : (919) 733-3221 Internet: www.ncwatergualitv.ore Location: 2728 Capital Boulevard Raleigh, NC 27604 Fax 1: (919) 715-0588 Fax 2: (919) 715-6048 An Equal Opportunity/Affirmative Action Employer— 50111. Recycled/IT/.Post Consumer Paper Customer Service: (877) 623-6748 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALEIGH SURFACE IRRIGATION SYSTEM PERMIT In accordance with 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 Onsow Water and Sewer Authority Onslow County FOR THE continued operation of a 260,626 gallon per day (GPD) wastewater treatment facility consisting of headworks with a manual bar screen and grit chamber, influent flow measurement with ultrasonic flow meter; a 1.82 million gallon (MG) treatment lagoon with three (3) aeration cells (cells I & 2 each have 2 -- 25 horsepower (Hp) aerators with anti -erosion baffles, cell 3 has 2 — 25 Hp mixers with anti -erosion baffles), a 0.49 MG settling cell; an ultraviolet (UV) disinfection system; a 22,400 gallon aerobic sludge digester with a 2 Hp aerator and 3 Hp discharge pump; an effluent pump station with duplex 450 gallon per ;minute (GPM) pumps; and 17, 900 feet of 8-inch force main; continued operation of a 224,673 gallon per day (GPD) surface irrigation facility consisting of a 13.30 MG storage lagoon (51 days storage); nine (9) spray fields consisting of 87.07 wetted acres, and an irrigation pump station with dual 700 GPM pumps and effluent flow meter; and the continued operation of spray irrigation field 2A-I consisting of 6.35 wetted acres; to serve the Holly Ridge WWTP, with no discharge of wastes to the surface waters, pursuant to the application received February 12, 2007, and subsequent additional information received by the Division of Water Quality (Division), and in conformity with the project plan, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources and considered a part of this permit. This permit shall be effective from the date of issuance until April 30, 2012, shall void Permit No. WQ0019907 issued January 19, 2007, and shall be subject to the following specified conditions and limitations: WQ0019907 Version 2.0 Shell Version 070117 Page 1 of 9 I. SCHEDULES [please review the entire permit for reporting, monitoring, and other on -going activities] 1. Within sixty (60) days of the issuance of this permit, the permittee shall submit two original copies of a scaled site map (scale no greater than 1 "=100'); however, special provisions may be granted upon prior approval for large properties. The map(s) must include the following information: a. The location and identity of each monitoring well. b. The location of major components of the waste disposal system. c. The location of property boundaries within 500 feet of the disposal area(s). d. The latitude and longitude of the established horizontal control monument. e. The elevation of the top of the well casing (which shall be known as the "measuring point") relative to a common datum. f. The depth of water below the measuring point at the time the measuring point is established. g. The location of review and compliance boundaries. h. The date the map is prepared and/or revised. Control monuments shall be installed in such a mariner and made of such materials that the monument will not be destroyed due to activities that may take place on the property_ The maps and any supporting documentation shall be sent to the N.C. Division of Water Quality, Aquifer Protection Section, 1636 Mail Service Center, Raleigh, N.C. 27699-1636. The permittee is responsible for the geographic accuracy of any map submitted, however produced. 2. No later than six (6) months prior to the expiration of this permit, the Permittee shall request renewal of this permit on official Division form(s). Upon receipt of the request, the Division will review the adequacy of the facilities described therein, and if warranted, will extend the permit for such period of time and under such conditions and limitations as it may deem appropriate. Please note that Rule 15A NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal application. IL PERFORMANCE STANDARDS I. The surface irrigation facilities shall be effectively maintained and operated at all times so that there is no discharge to the surface waters, nor any contravention of groundwater or surface water standards. In the event that the facilities fail to perform satisfactorily, including the ereation of nuisance conditions or failure of the irrigation area to adequately assimilate the wastewater, the Permittee shall take immediate corrective actions including those actions that may be required by the Division, such as the construction of additional or replacement wastewater treatment and disposal facilities. 2. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to ground or surface waters resulting from the operation of this facility. All wells that are constructed for purposes of groundwater monitoring shall be constructed in accordance with 15A NCAC 02C .0108 (Standards of Construction for Wells Other than Water Supply) and any other state and local laws and regulations pertaining to well construction. 4. Effluent limitations shall not exceed those specified in Attachment A. 5. Application rate(s), whether hydraulic, nutrient, or other pollutant shall not exceed those specified in Attachment B. WQ0019907 Version 2.0 Shell Version 070117 Page 2 of 9 6. The compliance boundary for the disposal system is specified by rules in 15A NCAC 02L, Groundwater Classifications and Standards. This disposal system was individually permitted on or after December 30, 1983; therefore, the compliance boundary is established at either 250 feet from the waste disposal area, or 50 feet within the property boundary, whichever is closest to the waste disposal area. An excecdance of groundwater standards at or beyond the compliance boundary is subject to remediation action according to 15A NCAC 02L .0106(d)(2) as well as enforcement actions in accordance with North Carolina General Statute 143-215.6A through 143-215.6C. 7. The Permittee shall apply for a permit modification prior to any sale or transfer of property that affects a compliance boundary to establish a new compliance boundary. 8. In accordance with 15A NCAC 02L .0107(d), no wells, other than monitoring wells, shall be constructed within the compliance boundary except as provided by 15A NCAC 02L .0107(g). 9. Except as provided for in 15A NCAC 02L .0107(g), the Permittee shall ensure that any Iandowner who owns land within the compliance boundary, but who is not the permittee, shall execute and file with the Register of Deeds in the county in which the land is located an easement -running with the land that contains the following items: a. A notice of the permit and number or other description as allowed in 15A NCAC 02L .0107(f)(1); b. Prohibits construction and operation of water supply wells within the compliance boundary; and c. Reserves the right of the permittee or the State to enter the property within the compliance boundary for purposes related to the permit. The Director may terminate the easement when its purpose has been fulfilled or is no longer needed. 10. The review boundary is established around the disposal systems midway between the compliance boundary and the perimeter of the waste disposal area. Any exceedance of standards at the review boundary shall require action in accordance with 15A NCAC 02L .0106. 11. The following buffers shall be maintained: a) 400 feet between wetted area and any residence or places of public assembly under separate ownership, b) 150 feet between wetted area and property lines, c) 100 feet between wetted area and wells, d) 100 feet between wetted area and drainage ways or surface water bodies, e) 50 feet between wetted area and public right of ways, f) 100 feet between treatment/storage units and any wells, and g) 50 feet between treatment units and property lines 12. The following buffers shall be maintained for spray field 2A-1: a. The setbacks for Irrigation sites shall be as follows (all distances in feet): i. Any habitable residence or place of public assembly under separate ownership: 400 ii. Any habitable residence or place of public assembly owned by the permittee: 200 iii. Any private or public water supply source: 100 iv. Surface waters: 100 V. Groundwater lowering ditches: 100 vi. Surface water diversions: 25 vii. Any well with exception of monitoring wells: 100 viii. Any property line: 150 ix. Top of slope of embankments or cuts of two feet or more in vertical height: 15 WQ0019907 Version 2.0 Shell Version 070117 Page 3 of 9 X. Any water line from a disposal system: 10 xi. Subsurface groundwater lowering drainage systems: 100 xii. Any swimming pool: 100 xiii, Public right of way: 50 xiv. Nitrification field: 20 xv. Any building foundation or basement: 15 III. OPERATION AND MAINTENANCE REQUIREMENTS 1. The facilities shall be properly maintained and operated at all times. The facilities shall be effectively maintained and operated as a non -discharge system to prevent the discharge of any wastewater resulting from the operation of this facility. The Permittee shall maintain an Operation and Maintenance Plan pursuant to 15A NCAC 02T .0507 including operational functions, maintenance schedules, safety measures, and a spill response plan. 2. Upon classification of the wastewater treatment and irrigation facilities by the Water Pollution Control System Operators Certification Commission (WPCSOCC), the Permittee shall designate and employ a certified operator to be in responsible charge (ORC) and one or more certified operator(s) to be back-up ORC(s) of the facilities in accordance with 15A NCAC 08G .0200. The ORC shall visit the facilities in accordance with 15A NCAC 08G .0200 or as specified in this permit and shall comply with all other conditions specified in these rules. I A suitable year round vegetative; cover shall be maintained such that crop health is optimized, allows for even distribution of effluent, and allows inspection of the irrigation system. The permittee shall use either coastal or common Bermuda and a small grain overseed for a winter cover crop. 4. Adequate measures shall be taken to prevent wastewater ponding or runoff from the irrigation field 5. Irrigation shall not be performed during inclement weather or when the ground is in a condition that will cause ponding or runoff. 6. All waste application equipment must be tested and calibrated at least once per year. Records of the calibration must be maintained for five years. 7. No type of wastewater other than that from Holly Ridge WWTP shall be irrigated onto the irrigation. area. 8. No traffic or equipment shall be allowed on the disposal area except while installation occurs or while normal maintenance is being performed. 9. Public access to the land application sites shall be controlled during active site use. Such controls may include the posting of signs showing the activities being conducted at each site. 10. The residuals generated from these treatment facilities must be disposed / utilized in accordance with 15A NCAC 02T .1100. The Pccrmittee shall maintain a residual management plan pursuant to 15A NCAC 02T .0508. 11. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited. 12. Freeboard in the spray field lagoon shall not be less than two feet at any time. WQ4019907 Version 2.0 Shell Version 070117 Page 4 of 9 13. A waste -level gauge, to monitor waste levels in the spray field lagoon shall be provided. This gauge shall have readily visible permanent markings indicating the maximum liquid level at the top of the temporary liquid storage volume, minimum liquid level at the bottom of the temporary liquid storage volume, and the lowest point on top of the dam elevations. Caution must be taken not to damage the integrity of the liner when installing the gauge. 14. A protective vegetative cover shall be established and maintained on all earthen basin embankments (outside toe of embankment to maximum allowable temporary storage elevation on the inside of the embankment), berms, pipe runs, erosion control areas, and surface water diversions. Trees, shrubs, and other woody vegetation shall not be allowed to grow on the earthen basin dikes or embankments, Earthen basin embankment areas shall be kept mowed or otherwise controlled and accessible. IV. MONITORING AND REPORTING REQUIREMENTS Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed necessary by the Division to ensure surface and ground water protection will be established and an acceptable sampling reporting schedule shall be followed. 2. All laboratory analyses for effluent, ground waters, or surface waters shall be made by a laboratory certified by the Division for the required parameter(s) under 15A NCAC 02H ,0800. 3. Flow through the treatment facility shall be continuously monitored and daily flow values shall be reported on Form NDMR. The Permittee shall install and maintain an appropriate flow measurement device consistent with approved engineering and scientific practices to. ensure the accuracy and reliability of flow measurement. Flow measurement devices selected shall be capable of measuring flows with a maximum deviation of less than 10 percent from true flow, accurately calibrated at a minimum of once per year, and maintained to ensure that the accuracy of the measurements is consistent with the accepted capability of that type of device. The Permittee shall keep records of flow measurement device calibration on file for a period of at least three years. At a minimum, data to be included in this documentation shall be: a. Date of flow measurement device calibration, b. Name of person performing calibration, and c. Percent from true flow. 4. The effluent from the subject facilities shall be monitored by the Permittee at the frequency(ies) and location(s) for the parameter(s) specified in Attachment A. 5. The Permittee tracking the amount of wastewater disposed shall maintain adequate records. These records shall include, but are not necessarily limited to, the following information: a. Date of irrigation, b. Volume of wastewater irrigated, c. Field irrigated, d. Length of time field is irrigated, e. Continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for each field, f. Continuous monthly and year-to-date loadings for any non -hydraulic parameter specifically limited in Attachment B for each field, g. Weather conditions, and h. Maintenance of cover crops. 6. Freeboard (waste level to the lowest elevation on the top of the embankment) in the spray field lagoon shall be recorded weekly. WQ0019907 Version 2.0 SheIl Version 070117 Page 5 of 9 7. Monitor wells shall be sampled at the frequencies and for the parameters specified in Attachment C. All ma in . well construction forms well abandonment forms and monitoring data shall refer to the permit number and the well nomenclature as provided in Attachment C. Two (2) copies of the results of the sampling and analysis must be received on Form GW-59 (Groundwater Quality Monitoring: Compliance Report Form), along with attached copies of laboratory analyses, by the Division of Water Quality, Information Processing Unit, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 on or before the last working day of the month following the sampling month. Form GW-59 shall include the number of this permit and the appropriate well identification number. One Form GW-59a certification form shall be provided for each set of sampling results submitted. Three (3) copies of all monitoring data [as specified in Conditions IV. 3. and IV. 4.] on Form NDMR for each PPT and three (3) copies of all operation and disposal records [as specified in Conditions IV. 5 and IV. 6.] on Form NDAR-1 for every field shall be submitted on or before the last day of the following month. If no activities occurred during the monitoring month, monitoring reports are still required documenting the absence of the activity. All information shall be submitted to the following address: Division of Water Quality Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 10. An annual representative soils analysis (Standard Soil Fertility Analysis) shall be conducted on each irrigation field and the results maintained on file by the Permittee for a minimum of five years. The Standard Soil Fertility Analysis shall include, but is not necessarily limited to, the following parameters: Acidity Manganese Potassium Calcium Percent Humic Matter Sodium Copper pH Zinc Magnesium Base Saturation y calculation Phosphorus Cation. Exchange Capacity I Exchangeable Sodium Percentage 11. Noncompliance Notification: The Permittee shall report by telephone to the Wilmington Regional Office, telephone number (919) 796-7215, as soon as possible, but in no case more than 24 hours or on the next working day following the occurrence or first knowledge of the occurrence of any of the following: a. Any occurrence at the wastewater treatment facility which results in the treatment of significant amounts of wastes which are abnormal in quantity or characteristic, such as the dumping of the contents of a sludge digester; the known passage of a slug of hazardous substance through the facility; or any other unusual circumstances including ponding in the irrigation field or runoff from the irrigation fields, b. Any process unit failure, due to known or unknown reasons, that render the facility incapable of adequate wastewater treatment such as mechanical or electrical failures of pumps, aerators, compressors, etc. c. Any failure of disposal system resulting in a by-pass directly to receiving waters. WQ0019907 Version 2.0 Shell Version 070117 Page 6 of 9 d. Any time that self -monitoring information indicates that the facility has gone out of compliance with its permit limitations including, but not limited to, freeboard measurements, effluent limitations, exceedances of groundwater standards, or overloading of any field. For any emergency that requires immediate reporting (e.g., discharges to surface waters, imminent failure of a storage structure, etc.) outside normal business hours must be reported to the Division's Emergency Response personnel at telephone number (800) 662-7956, (800) 858-0368, or (919) 733- 3300. Persons reporting such occurrences by telephone shall also file a written report in letter form within five (5) days following first knowledge of the occurrence. This report must outline the actions taken or proposed to be taken to ensure that the problem does not recur. V. INSPECTIONS 1. Adequate inspection and maintenance shall be provided by the Permittee to ensure proper operation of the subject facilities. 2. The Permittee or his designee shall inspect the wastewater treatment and disposal facilities to prevent malfunctions and deterioration, operator errors and discharges which may cause or lead to the release of wastes to the environment, a threat to human health, or a nuisance. The Permittee shall beep an inspection log or summary including at least the date and time of inspection, observations made, and any maintenance, repairs, or corrective actions taken by the Permittee. This log of inspections shall be maintained by the Permittee for a period of five years from the date of the inspection and shall be made available upon request to the Division or other permitting authority. 3. Any duly authorized officer, employee, or representative of the Division may, upon presentation of credentials, enter and inspect any property, premises or place on or related to the disposal site or facility at any reasonable time for the purpose of determining compliance with this permit; may inspect or copy any records that must be maintained under the terms and conditions of this permit, and may obtain samples of groundwater, surface water, or leachate. VI. GENERAL CONDITIONS 1. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to an enforcement action by the Division in accordance with North Carolina General Statute 143- 215.6A to 143-215.6C. 2. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 3. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. No variances to applicable rules governing the construction and / or operation of the permitted facilities are granted unless specifically requested and granted in this permit. 4. The issuance of this permit does not exempt the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal) that have jurisdiction. Of particular concern to the Division are applicable river buffer rules in 15A NCAC 02B .0200, erosion and sedimentation control requirements in 15A NCAC Chapter 4 and under the Division's General Permit NCGO10000, and any requirements pertaining to wetlands under 15A NCAC 02B .0200 and 02H .0500. WQ0019907 Version 2.0 ShelI Version 070117 Page 7 of 9 5. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a formal permit request must be submitted to the Division on official Division form(s), documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. The Permittee of record shall remain fully responsible for compliance until a permit is issued to the new owner. 6. The Permittee shall retain a set of approved plans and specifications for the life of the facilities permitted herein. 7. The Permittee shall maintain this permit until all permitted facilities herein are properly closed or permitted under another permit issued by the appropriate permitting authority. 8. The Permittee must pay the annual fee within thirty (30) days after being billed by the Division. Failure to pay the fee accordingly may cause the Division to initiate action to revoke this permit pursuant to 15A NCAC 02T .0105(e). Permit issued this the Otn day of May, 2007 NORTH LIMA E E AL MANAGEMENT COMMISSION �.A.lan W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0019907 WQ0019907 Version 2.0 Shell Version 070117 Page 9 of 9 This Page Flank WQ0019907 Version 2.0 Shell Version 070117 Page 9 of 9 ATTACHMENT A - EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Permit Number: WQ06_.,j07 001 WWTF Influent EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Monthly Average I Weekly Average Daily Maximum Measurement Frequency Sam le Type Flow, in conduit or thru treatment plant - 50050 260,626 d Continuous Recorder 002 WWTF Effluent EFFLUENT CHARACTERISTICS EF'FLUEN'I LIMITSI MONITORING REQUIREMENT'S Parameter Description - PCS Code Monthly Average Weekly Average Daily Maximum Measurement Fregueney Sample Type Nitrogen, Nitrate Total (as N) - 00620 Monthly CoTposite Phosphorus, Total as P - 00665 Monthly C011420site BOD, 5-Day 20 Dog. C) - 00310 Monthly Composite Nitrogen, Ammonia Total (as N) - 00610 Monthly Composite pH - 00400 5 x Week Grab Solids, Total Suspended - 00530 Monthly Composite Solids, Total Dissolved- 180 De .0 - 70300 3 X year Composite Nitro en, K'eldahl, Total as N - 00625 Monthly Composite Coliform, Fecal MF, M-FC Broth,44.5C - 31616 Monthly Grab Flow, in conduit or thru treatment plant - 50050 224,673 Sed Continuous Recorder Notes: 3 x Year sampling shall be conducted in March, July, and November Attachment A Shell Version 070117 Page 1 of 2 This Page Blank Attachment , I A Version 070117 1 2 of 2 ATTACHMENT B - Approved Land Application Sites jPermit Number: WQOO19907 Onslow Water & Sewer Authority Holly Ridge WWTF Net. Dominant Field/Zone Id Owner County Latitude Longitude Acreage Soil Series Parameter Hourly Avg YearIj Max 1/lA OnsIow Water & Sewer Authority Qnslow 34'30'09" 77°29'57" 9.82 Leon 01284 - Application Surface Irrigation 0.12 inches 36.92 inches 1/1B Onslow Water & Sewer Authority Onslow 34030'09" 77-29'57" 9.62 Leon 01284 - Application Surface Irrigation 0.12 inches 36.92 inches VIC Onslow Water & Sewer Authority Onslow 34°30'09" 77°29'57" 8.07 Leon 01284 - Application Surface Irrigation 0.12 inches 36.92 inches 2/2A-1 Onslow Water & Sewer Authority Onslow 34030'09" 77029'57" 6.35 Pactolus 01284 - Application Surface Irrigation 0.12 inches 36.92 inches 2/2A-2 Onslow Water & Sewer Authority Onslow 34°30'09" 77029'57" 12.20 Pactolus 01284 - Application Surface Irrigation 0.12 inches 36.92 inches 2/2A 3 Onslow Water & Sewer Authority Onslow 34°30'09" 77029'57" 11.66 Pactolus 0 12 84 - Application Surface Irrigation 0.12 inches 36.92inches 2/2B I Onslow Water & Sewer Authority Onslow 34"30'09" 77°29'57" 8.63 Goldsboro 01284 -Application Surface Irrigation 0.12 inches 21.84 inches 2/2132 Onslow Water & Sewer Authority Onslow 34°30'09" 77029'57" 5.84 Goldsboro 01284 - Application Surface Irrigation 0.12 inches 21.84 inches 3/3A Onslow Water & Sewer Authority Onslow 34030'09" 77029'57" 9.44 Pactolus 01284 - Application Surface Irrigation 0.12 inches 36.92 inches 3/313 Onslow Water & Sewer Authority Onslow 34°30'09" 77029'57" 11.79 Pactolus 01284 - Application Surface Irrigation 0.12 inches 36.92 inches Total j 93.42 Attachment B Shell Version 070117 Page I of 2 This Page Blank Attacbment _ i Version 070117 ge 2 of 2 ATTACHMENT C - LIMITATIONS AND MONITORING REQUIREMENTS Permit Number:;WQ0019907 MW-1 BIMS000723 CHARACTERISTICS LIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Daily Minimum Daily Maximum Unit Measurement Frequency Sample Type Water level, distance from measuring point - 82546 3 X year Calculated Colifonn, Fecal MF, M-FC Broth,44.5C - 31616 3 X year Grab Solids, Total Dissolved- 180 De .0 - 70300 500.00 m /l 3 X year Grab Chloride as Cl) - 00940 250.00 m l 3 X ear Grab Nitrogen, Ammonia Total as N - 00610 3 X year Grab Nitro en, Nitrate Total (as - 00620 10.00 m l 3 X year Grab H - 00400 6.5 8.5 su 3 X year Grab Phosphorus, Total as P - 00665 3 X year Grab Volatile Compounds, GC/MS - 78732 Annually Grab MW-2 BIMS000724 CHARACTERISTICS LIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Daily Minimum Daily Maximum Unit Measurement Frequency Sample Type Water level, distance from measuring point - 82546 3 X year Calculated Coliform, Fecal MF, M-FC Broth,44.5C - 31616 3 X year Grab_ Solids, Total Dissolved- 180 De .0 - 70300 500.00 I 3 X year Grab Chloride as Cl - 00940 250.00 mg/1 3 X year Grab Nitro en, Ammonia Total as - 00610 3 X year Grab Nitrogen, Nitrate Total (as - 00620 10.00 mg/1 3 X year Grab H - 00400 6.5 8.5 su 3 X year Grab Phosphorus, Total as P - 00665 3 X ear Grab Volatile Compounds, GC/MS - 78732 Annually Grab Attachment C Shell Version 070117 Page 1 of 3 MW-3 BIMS000726 CITARACTERISTICS LIMITS MONITOI2[NU RBQUIRIIMLNTS Parameter Description - PCS Code Daily Minimum Daily Maximum Unit Measurement Frequency Sample Type Water level, distance from measj! im point - 82546 3 X year Calculated Coliform, Fecal MF, M-FC Broth,44.5C - 31616 3 X year Grab Solids, Total Dissolved- 180 De .0 -- 70300 500.00 Mg/1 3 X year Grab Chloride as Cl - 00940 250.00 m 3 X year Grab Nitrogen, Ammonia Total (as N) - 00610 Nitrogen, Nitrate Total as N) - 00620 H - 00400 6.5 10.00 8.5 --TO su 3 X year 3 X year 3 X year Grab Grab Grab Phosphorus, Total as P - 00665 3 X year. Grab Volatile Compounds, GCIMS) - 78732 Annually Grab 3 x year monitoring shall be conducted in March, July, and November; Annual monitoring shall be conducted every November. 2. The measurement of water levels shall be made prior to purging the wells. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The measurement of pH shall be made after purging and prior to sampling for the remaining parameters. 3. The measuring points (top of well casing) of all monitoring wells shall be surveyed to provide the relative elevation of the measuring point for each monitoring well. The measuring points (top of casing) of all monitoring wells shall be surveyed relative to a common datum. Attachment a Version 07Ol l7 _,ge 2 of 3 4. Volatile Organic Compounds (VOC) - In November only, analyze by one of the following methods: (A) Standard Method 6230D, PQL at 0.5 ug/L or less (B) Standard Method 6210D, PQL at 0.5 ug/L or less (C) EPA Method 8021, Low Concentration, PQL at 0.5 ug/L or less (D) EPA Method 8260, Low Concentration, PQL at 0.5 ug/L or less (E) Another method with prior approval by the Aquifer Protection Section Chief Any method used must meet the following qualifications: (1) A laboratory must be DWQ certified to run any method used. (2) The method used must, at a minimum, include all the constituents listed in Table VIII of Standard Method 6230D. (3) The method used must provide a PQL of 0.5 ug/L or less that must be supported by laboratory proficiency studies as required by the DWQ Laboratory Certification Unit. Any constituents detected above the MDL but below the PQL of 0.5 ug/L must be qualified (estimated) and reported. If any volatile organic compounds (VOC) are detected as a result of monitoring as provided in Attachment C, then the Wilmington Regional Office Aquifer Protection Supervisor, telephone number (910) 796-7215, must be contacted immediately for further instructions regarding any additional follow-up analyses required. 6. Monitoring wells shall be reported consistent with the nomenclature and location information provided in this attachment. Attachment C Shell Version 070117 Page 3 of 3