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HomeMy WebLinkAboutWQ0004332_Final Permit_20051227Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality December 27, 2005 ANNE-MARIE KNIGHTON -- TOWN MANAGER TOWN OF EDENTON POST OFFICE Box 300 EDENToN, NORTH CAROUNA 27932 Subject: Permit No. WQ0004332 Town of Edenton Wastewater Treatment and Surface Irrigation System Chowan County Dear Ms. Knighton: In accordance with your renewal request received November 22, 2004, and subsequent additional information received August 15, 2005, we are forwarding herewith Permit No. WQ0004332, dated December 27, 2005, to the Town of Edenton for the continued operation of the subject wastewater treatment and surface irrigation facilities. This permit shall be effective from the date of issuance until November 30, 2010, shall void Permit No. WQ0004332 issued February 2, 2001, 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 that the Division has significant concerns with the findings provided by Scott Frederick, LSS, regarding the soil evaluation and water balance. Mr. Frederick's report stated that the soils are capable of receiving more flow than permitted, however, the permitted soils already have ponding and runoff violations. The Division advises the Town of Edenton to conduct a thorough investigation of the relationship between the irrigation rates, provided storage, irrigation system design, hydrogeological conditions (i.e., water table mounding) and soils. Although this is not a permit condition, the Division strongly encourages the Town of Edenton to address this issue, as it is the Town's responsibility to maintain compliance with all permit conditions. Please pay particular attention to Condition IV(1). This condition requires that a scaled topographic map be submitted within 180 days of permit issuance. Failure to provide this map in the allotted time shall result in a Notice of Violation, and non-compliance with this permit. 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. No Carolina �turaCly Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 Phone (919) 733-3221 Customer Service Internet: h2o.ennstatemc.us 2728 Capital Boulevard Raieigh, NC 27604 FAX (919) 715-6048 1-877-623-6748 An Equat Opportunity/Affirmative Action Employer— 50% Recycledl100,6 Post Consumer Paper If you need additional information concerning this matter, please contact Nathaniel Thornburg at (919) 715-6160. Sincerely, Alan W. Klimek, P.E. cc: Chowan County Health Department Washington Regional Office, Aquifer Protection Section Eric Weatherly, PE — Hobbs, Upchurch & Associates, PA Technical Assistance and Certification, Unit APS Central Files LAU Files 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 'down of Edenton Chowan County FOR THE continued operation of a 1.076 million gallon per day (GPD) wastewater treatment and spray irrigation system, consisting of the following minimum components: a pump station with two (2) 2,100 gallon per minute (GPM) pumps; a de -gritting unit; a screening basket; an air scrubber unit with a hydrogen peroxide odor control system; approximately 19,405 linear feet of 18-inch force main with a force main discharge odor control chlorination system; a 28 acre stabilization and storage lagoon with a baffle wall and an aeration area that includes three (3) 20 horsepower (hp) directional aerators and provides a minimum of 21 days of detention as well as 45 days of storage capacity; a subsurface drainage system with a diffused subsurface discharge; a chlorination facility; a spray irrigation pump station with tvu,o (2) 4,026 GPM pumps; spray irrigation limes with solid -set spray risers covering 300 wetted acres; and all associated piping, valves, controls, and appurtenances necessary to make a complete and operational system. The above -described wastewater treatment and spray irrigation disposal system is intended to serve the Town of Edenton and its wastewater customers with no discharge of wastes to the surface waters, pursuant to the application received November 22, 2004, and subsequent additional information received by the 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 November 30, 2010, shall void Permit No. WQ0004332 issued February 2, 2001, and shall be subject to the following specified conditions and limitations: I. PERFORMANCE STANDARDS 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 contamination of ground waters, which will render them unsatisfactory for normal use. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions or failure of the irrigation area to adequately assimilate the wastewater, the Per nittee shall take immediate corrective actions including those actions that may b4 required by the Division of Water Quality, such as the construction of additional or replacement wastewater treatment and disposal facilities. 2. The issuance of this permit shall not retieve the Permircee of the responsibi;ity for damages to surface or ground waters resulting from the operation of this facility. 3" The residuals generated from these treatment facilities must be disposed in accordance with General Statute 143-215.1 and in a manner approved by the Division. 4. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited" 5. 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 (i.e., with the exception of an approved groundwater monitoring well), 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 (Le -,with the exception of an approved groundwater monitoring well), and g) 50 feet between treatment units and property lines. Some of the buffers specified above may not have been included in previous pern-its for this waste treatment and disposal system. These buffers are not intended to prohibit or prevent Modifications, which are required by the Division, to improve performance of the existing treatment facilky. These buffers do, however, apply to modifications of the treatment and disposal facilities that are for the purpose of increasing the flow that is tributary to the facility. These buffers do apply to any expansion or modification of fhe irrigation areas and apply in instances in which the sale of property would cause any of the buffers now complied with, for the treatment and disposal facilities, to be violated." The applicant is advised that any modifications to the existing facilities will require a permit modification - II. OPERATION AND MAINTENANCE REQUIREMENTS 1. The facilities shall be properly maintained and operated at all times, Upon classification of the wastewater treatment and irrigation facilities by the Water Pollution Control System Operators Certification Commission (_ ATCSOCC), the Permittec shall desimate and employ a certified operator to be in responsible charge (ORC) and one or more certified ope.ator(s) to be back-up ORC(s) of the facilities in accordance with 15A NCAC 8G .0201. The ORC shall visit the facilities in accordance with 15A NCAC SG .0204 or as specified in this permit and shall comply with all other conditions specified in these rules. 3. A suitable year round vegetative cover shall be maintained. Irrigation shall not be. performed during inclement weather or %when the ground is in a condition that will cause runoff. 5. Adequate measures shall be taken to prevent wastewater runoff from the irrigation field. 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. l 7. The application rate shall not exceed a cumulative loading of 46.8 inches over an% t«'elve (2) month period at an instantaneous application rate not to exceed 0.25 inches per hour. No type of wastewater other than that from Town of Edenton's Wastewater Treatment FacciIity shall be irrigated onto the irrigation area" 9. No traffic or equipment shall be allowed on the disposal area except while installation occurs or while normal maintenance is being performed. 10. 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. 11. Freeboard in the treatment/storage lagoons shall not be less than two (2) feet at any time. 12 If not already installed, waste -level gauges, to monitor waste levels in the treatment/storage lagoons, shall be installed within 60 days of issuance of this permit. This gauge shall have readily visible permanent markings indicating the maximum liquid level at the top of the temporary liquid storage volume, minimum liquid Ievel at the bottom of the temporary liquid storage volume, and top of the dam elevations. Caution must be taken not to damage the integrity of the liner when installing the gauge. 13. A protective vegetative cover shall be established and maintained on all earthen basin embankments (outside toe of embankment to maximum pumping elevation), berms, pipe runs, erosion control areas, and surface water diversions. Trees, shrubs, and other woody vegetation shall not be allowed to bro«• on the earthen basin dikes or embankments. Earthen basin embankment areas shall be kept mowed or otherwise controlled and accessible. Ill. PRETREATMENT REQUIREMENTS A. Requirements for Control of Pollutants Attributable to Industrial Users 1. Pollutants attributable to inputs from industries using the municipal system may be present in the Permittee's discharge. At such time as sufficient information becomes available to establish limitations for such pollutants, this permit may be revised to specify effluent Iimitations for any or all of such other pollutants. 2. Under no circumstances shall the Permittee allow introduction of the following wastes in the waste treatment system: a. Pollutants which create a fire or explosion hazard in the publicly -owned treatment works (POTW), including, but not limited to, waste streams with a closed cup flashpoint of less than 140 degrees Fahrenheit or 60 degrees Centigrade using the test methods specified in 40 CFR 261.21; b. Pollutants which will cause corrosive structural damage to the POTW, but in no case Discharges with pH lower than 5.0. unless the works is specifically designed to accommodate such Discharges; c. Solid or viscous pollutants in amounts which will cause obstruction to the flow in the POTW resulting in Interference; d. Any pollutant, including oxygen -demanding pollutants (i.e., BOD, etc_) released in a Discharge at a flow rate and/or pollutant concentration which will cause Interference with the POTW; e. Heat in amounts, which will inhibit biological activity in the POTW resulting in Interference, but in no case heat in such quantities that the temperature at the POTW Treatment Plant exceeds 40'C (104°F) unless the Division, upon request of the POTW, approves alternate temperature limits; f. Petroleum oil, non -biodegradable cutting oil, or products of mineral oil origin in amounts that will cause Interference or pass through; J g. Pollutants which result in the presence of toxic gases, vapors, or fumes within the PO T NV in a quantity that may cause acute worker health and safety problems; h. Any trucked or hauled pollutants, except at discharge points desiffnated by the PC)TW. 3 It may be necessary for the Permittee to supplement the requirements of 15A NCAC 2H .0900 to ensure compliance by the Permittee with all applicable limitations. Such actions by the Permittee may be necessary regarding some or all of the industries discharging to the municipal system. 4. The .Per-mittee shall require any industrial discharges into the permitted system to meet the regulations of 15A NCAC 21-1 .0900. Prior to accepting wastewater from any significant industrial user, the Permittee shall either develop and submit to the Division a Pretrmtment Program for approval per 15A NCAC 21-1.0907(a) or modify an existing Pretreatment Prograrn per 15A NCAC 2H .0907(b). 5. This permit shall be modified, or alternatively, revoked and reissued, to incorporate or modify an approved POTW Pretreatment Program or to include a compliance schedule for the development of a POTW Pretreatment Program as required under the 15A NCAC ZH .0900 regulations by the requirements of the approved State pretreatment program, as appropriate. B. Pretreatment Program Re uirements Under authority of North Carolina General Statute §143-215.3 (14) and implementing regulations 15A NCAC 2H .0900, and in accordance with the approved pretreatment program, all provisions and regulations contained and referenced in the Pretreatment Program, Submittal are an enforceable parr of this permit. The Permittee shall operate its approved pretreatment program in accordance with the State Pretreatment Regulations I5A NCAC 2H .0900 and the legal authorities, policies, procedures, and financial provisions contained in its pretreatment program submission and Division -approved modifications thereof. Such operation shall 'include but is not limited -to the implementation of the following conditions and requirements: Sewer Use Ordinance (SUO): The Permittee shall maintain adequate legal authority to implement its approved pretreatment program; 2. Industrial Waste Survey IWS : The Permittee shall update its 1WS of all users of the sewer collection system at least once every five years; 3. Monitoring Plan: The Permittee shall implement a Division -approved Monitoring Plan for the collection of facility specific data to be used in a wastewater treatment plant Headuvorks Analysis (HWA) for the development of specific pretreatment local limits; 4. HWA and Local Limits: The Permittee shall obtain Division approval of a H� A at least once every five years and as required by the Division. The Perrrittee shall develop, in accordance with 15A NCAC 2H .0900, specific Local Limits to implement the prohibitions listed in liA NCAC 2x .a909; 5. Industrial User Pretreatment Permits (IUPj and Allocation Tables: In accordance �vjth North Carolina General Statute §143-2I5.1, the Perzrzittee shall issue to all significant industrial users, permits for operation of pretreatment equipment and discharge to the Permittee's treatment works. These permits shall contain limitations, sampling protocols, reporting requirements, appropriate standard and special conditions, and compliance schedules as necessary for the installation of treatment and control technologies to assure that their wastewater discharge will meet all applicable pretreatment standards and requirements. The Pertr&tee shall maintain a current Allocation Table (AT) which summarizes the results of the MVA and the limits from all Industrial User Pretreatment Permits (1UP)_ Permitted IUP loadings for each parameter cannotW exceed the treatment capacity of the POTW as determined by the HA; 4 6. Authorization to Construct (A to C): The Permittee. shall ensure that an A to C is issued to all applicable industrial users for the construction or modification of any pretreatment facility_ Prior to the issuance of an A to C, the proposed pretreatment facility and treatment process must bd evaluated for its capacity to comply with all rUP limitations; 7_ POTW Inspection and Monitoring of their Significant Industrial Users (SNs): The Permittee shall conduct inspection, surveillance, and monitoring activities as described in its Division - approved Pretreatment Program in order to determine, independent of information supplied by industrial users, compliance with applicable pretreatment standards. The Perm ittee shall: a. Inspect all SNs at least once per calendar year; and b. Sample all SNs at least twice per calendar year for all permit -limited pollutants, once durina the period from January I" through June 30'' and once during the period. from July I" through December 31", except for organic compounds which shall be sampled once per calendar year; 8. SIU Self Monitoring and Reporting The Permittee shall require all industrial users to comply with the applicable monitoring and reporting requirements outlined in the Division -approved Pretreatment Program, the industry's pretreatment permit, or in 15A NCAC 2H .0908; 9_ Enforcement Response Plan (ERP): The Permittee shall enforce and obtain appropriate remedies for violations of all pretreatment standards promulgated pursuant to section 307(b) and (c) of the Clean Water Act (i.e., 40 CFR 405 et seq.), prohibitive discharge standards as set forth in 15A NCAC 2H .0909, and specific local limitations. All enforcement actions shall be consistent with the ERP approved by the Division; 10. Pretreatment Annual Reports (PAR): The Permittee shall report to the Division in accordance with 15A NCAC 2H .0908. In lieu of submitting annual reports, Modified Pretreatment Programs developed under 15A NCAC 2H .0904 (b) may be required to meet with Division personnel periodically to discuss enforcement of pretreatment requirements and other pretreatment implementation issues. For all other active pretreatment programs, the Perutittee shall submit two copies of a PAR describing its pretreatment activities over the previous 12 months to the Division at the following address: NCDENR-DWQ Surface Water Protection Section Pretreatment, Emergency Response, -and Collection Systems (PERCS) Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 These reports shall be submitted according to a schedule established by the Director and shall contain the following minimum information: a. Narrative: A brief discussion of reasons for, status of, and actions taken for all SNs in Significant Non -Compliance (SNC); b. Pretreatment Program Sununar (PPS): A PPS on specific forms approved by the Division; c. Significant Non -Compliance Report CS The nature of the violations and the actions taken or proposed to correct the violations on specific forms approved by the Division; d. Industrial Data Summary Forms (IDSR Monitoring data from samples collected by both the POTW and the SIU. These analytical results shall be reported on IDSF or other specific format approved by the Division; e. Other Information: Copies of the POTW's allocation table, new or modified enforcement compliance schedules, public notice of SIUs in SNC, and any other information, upon request, which in the opinion of the Director is needed to determine compliance xvith the pretreatment Implementation requirements of this permit; 11. Public Notice: The Pernuttee shall publish annually a list of STUB that were in SNC as defined in the Permittee's Division -approved SUO with applicable pretreatmentrequirements and standards during the previous 12-month period. This list shall be published within two months of the applicable 12-month period; 12. RecordkeepingW The Permittee shall retain, for a minimum of three years, records of monitoring activities and results, along with support information including general records, water quality records, and records of industrial impact on the POTW; 13. Funding and Financial Resort: The Permittee shall maintain adequate funding and staffifinQ levels to accomplish the objectives of the Division -approved Pretreatment Program; 4 14. Modification to Pretreatment Programs: Modifications to the approved pretreatment program including, but not limited to, local limits modifications, POTW monitoring of the SIUs, and Monitoring Plan modifications, shall be considered a permit modification and shall be governed by 15 NCAC 2H .0200 and 15A NCAC 2H _0907. IV. MONITORING AND REPORTING REQUIREMENTS 1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed necessary by the Division to insure surface and ground water protection will. be established and an acceptable sampling reporting schedule shall be followed. 2. Influent flow shall be continuously monitored and daily flow values shall Ne reported on Form NDMR. The Permittee shall install an appropriate flow measurement device consistent with approved engineering and scientific practices to ensure the accuracy and reliability of influent 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 c. Percent from true flow 3. The effluent from the subject facilities shall be monitored by the Permittee at a point prior to irrigation every April, August and November far the following parameters: NH3 as N NO2-NO3 Total Coliforrn BOD5 TKN Total Phosphorous TSS Sodium Magnesium pH Calcium Sodium Adsorption Ratio by Calculation 4. 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, L 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 eac'r, field, f. Weather conditions, and a, Maintenance of cover crops. 5._ Freeboard in the treat mantistorage lagoons shall be recorded weekly. 6. Three (3) copies of all monitoring data [as specified in Conditions 111(2) and 111(3)] on Forrn ND?a- 1 and three (3) copies of all operation and disposal records [as specified in Conditions IE(4) and I11(5)] on Form NDAR-I shall be submitted on or before the last day of the following month. 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 7. 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 rninimum of five years. The Standard Soil Fertility Analysis shall include, but is not necessarily limited to, the followincr parameters: Acidity Manganese Potassium. Calcium Percent Humic Matter Sodium CoRper PH Zinc Magnesium Base Saturation (by calculation) Phos horus Cation Exchange Capacity Exchangeable Sodium Percentage 8. Noncompliance Notification: The Permittee shall report by telephone to the Washington Regional Office,�telephone mamber (252) 946-6481, 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: Any occurrence at the wastewater treatment facility which results in the treatment of sib ifcazzt 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. 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 a pumping station, sewer line, or treatment facility resulting in a by-pass directly to receiving waters without treatment of all or any portion of the influent to such station or facility. d_ Any time that self -monitoring information indicates that the facility has gone out of compliance with its permit limitations. Occurrences outside normal business hours may also 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. IV. GROUNDWATER RE UIREMENTS 1. Within 180 days of this permit's issuance, the Permittee shall submit two original copies of a scaled topographic map (i.e., with a scale no greater than one inch equals 100 feet) that has been signed and sealed by a North Carolina -licensed Professional Engineer or a North Carolina -licensed Land Surveyor and contains all of the following information: a. Location of all property lines, b. Location of the all spray irrigation facilities, c. Location and identity of each groundwater monitoring well, d. Latitude and longitude of the established horizontal monument, e. Relative elevation of the top of the casing for each groundwater monitoring well (i_e_, known as the measuring point"), and f_ Depth of water below the measuring point at the time the measuring point is established. This survey shall be conducted using approved practices as outlines in the North Carolina General Statutes Chapter 89C and the North Carolina Administrative Code Title 21, Chapter 56. The surveyor shall establish a horizontal control monument on the property of the disposal system and determine the latitude and longitude of this horizontal control monument to a horizontal positional accuracy of +/-10 feet_ All other features listed above shall be surveyed relative to this horizontal control monument. The positional accuracy of these features shall have a ratio of precision not to exceed an error of closure of one foot per 10,000 feet of perimeter of the survey. Any features log aced by the radial method shall be located from a minimum of two points. Horizontal control monurn✓nts shall be installed in such a manner and made of such materials that the monument will not be destroyed due to activities that may take place on the property. The map shall also be surveyed using the North American Datum of 1983 (NAD 83) coordinate system and shall indicate the datum on the map. All bearings or azimuths shall be based on either the true or NAD 83 grid meridian. If a GIobal Positioning System (GPS) is used to determine the latitude and longitude of the horizontal control monument, a GPS receiver that has the capability to perform differential GPS shall be used and all data collected by the GPS receiver shall be differentially Corrected. The map and any supporting documentation shall be sent to NCDENR--DWQ, Aquifer Protection Section, 1636 Mail Service Center, Raleigh, NC 27699-1636_ 2. Monitor wells MW-1, MW-1 MW-3, Mai'-4,- MW-6 and MW-7 shall be sampled every April, August and November for the follow°ina parameters: Chlorides Ammonia Nitrogen (NH;-N) PH Water Level Total Dissolved Solids (TDS) Nitrate -Nitrogen (NQ_-N) Total CoIiforms Total Organic Carbon (TOC) Volatile Organic Compounds (VOCs)* * VOCs shall be sampled in November only. The analysis for VOCs shall be completed by one of the following methods- a. Standard Method 6230D, PQL at 0.3 lag/L or less Standard Method 6210D, PQL at 0.5 lug /L or less c. EPA Method 8021, Low Concentration, PQL at 0.5 pa /L or less d. EPA Method 8260, Low Concentration, PQL at 0.5 la's, /L or less e. Another method with prior approval by the Groundwater Section Chief Any method used must meet the following qualifications: a. A laboratory must be DWQ certified to run any method used. The method used must, at a minimum, include all the constituents listed in Table VIII of StandaCd Method 6230D. c. The method used must provide a pq[ of 0.5 �tg /L or less that must be supported by laborato proficiency studies as required by the DWQ Laboratory Certification Unit. Any constituents detected above the MDL but below the PQL of 0.5 p.g /L must be qualified (estimated) and reported. If any volatile organic compounds are detected by Method 62301), then the Washington Regional Office Aquifer Protection Supervisor, telephone number (252) 946-6481 shall be contacted immediately for further instructions regarding any additional follow-up analyses required. The results of all initial and follow-up analyses must be submitted simultaneously. 4. If TOC concentrations greater than 10 mg/l are detected in any downgradient monitoring well, additional sampling and analysis must be conducted to identify the individual constituents comprising this TOC concentration. If the TOC concentration as measured in the background monitor well exceeds I0 mg/l, this concentration will be taken to represent the naturally occurring TOC concentration. Any exceedances of this naturally occurring TOC concentration in the downgradient wells shall be subject to the additional sampling and analysis as described above. 5. The measurement of water levels must be made prior to sampling for the remaining parameters. The depth to water in each well shall be measured from the surveyed point on the top of the casing. 6. The results of the sampling and analysis trust be received on Form GW-59 (Groundwater Qualitz, Monitoring: Compliance Report Form) by the Division of Water Quality, Information Processiug Unit, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 on or before the last worksna ' day of the month following the sampling month. 7. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary for the disposal system constructed prior to December 31, 1983 is established at either (1) 500 feet from the waste disposal area, or (2) at the property boundary, whichever is closest to the waste disposal area. An exceedance of Groundwater Quality Standards at or beyond the Compliance Boundary is subject to immediate remediation action in addition to the penalty provisions applicable under General Statute 1-4- In accordance with 15A NCAC 2L, a 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 remediation action on the part of the perrriittee. V. INSPECTIONS I. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to insure prop_-r operation of the subject facilities. 2. The Permittee or his designee shall inspect the wastewater treatment and disposai 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 Perrnittee shall keep an inspection log or summary including at Ieast the date and time of inspection, obsen-ations made, and any maintenance, repairs, or corrective actions taken by the Permittee. This loa of inspections shall be maintained by the Permittee for a period of three years from the date of the inspection and shall b-- 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 deterrninirng compliance with this permit; may inspect or copy any records that must be maintained under the terms and conditions of this penrnit, and may obtain samples of groundwater, surface water; or leachate. VZ. GENERAL CONDITIONS L This permit shall become voidable unless the facilities are constructed in accordance y ith The conditions of this permit, the approved plans and specifications, and other supporting data. 2. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. 3. This permit is not transferable. 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 accompanied by an application fee, documentation from the parties involved, and other support_in; materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. 4. Failure to abide by the conditions and limitations contained in this permit may subject the Permitree to an enforcement action by the Division in accordance with North Carolina General Statate 143- 215.6A to 143-215.6C. 5. The issuance of this permit does not exempt the Pernttee from complying with any and all statutes; rules, regulations, or ordinances which may be imposed by other government agencies (local, state, and federal) which have jurisdiction, including but not Iimited to applicable river buffer rules in i5A NCAC 2B .0200, erosion and sedimentation control requirements in 15A NCAC Chapter 4 and under the Division's General Permit NCG010000, and any requirements pertaining to wetlands under 15A NCAC 2B .0200 and 2H .0500. 6. The Permittee shall retain a set of approved plans and specifications for the life of the project. The Permittee must pay the annual administering and compliance 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 as specified by 15A NCAC 2H .0205 (c)(4)_ The Perrittee, at least six (6) months prior to the expiration of this pern-at, shall request its extmsion. Upon receipt of the request, the Corzmission 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. Permit issued this t c 270' day of December, 2005 NORTH OLINA E - 11:�ONMENTAL MANAGEMENT COMMISSION Alan W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0004332 10 . ............ JO AL fit: I .4,f J4 f Illf Ill TV lei 11 1 1 fit Ir Q jj lit I f I I Y If If t 4,1 , I , I lI I , : fil, . w.1 1 11 of I 4 If CD ii Alp f i.t4 1 41 If .rl, if I'll 21 CD a py jr 3 L'L'3 ;'lit,{ if 'J, Jjjtj 4 lit, It. A ell lit VI fI f 14 L r if -IT It'll flit 11 11141 llqt I'li NY ftif1 I I I t .14 , i,,I ' I piIff,nrqtfillf1bfi11 11 flit 011 1 J,j Iq 1 1 if iff II q t-,qv jrT+ if" if -to"'W4 4.1451 if I 1 If AWN 'Atilt Wo . . . . . . . . . . ........... i A lit; a OF EDT--N �V1� wl-qTP. r y G0ON/SPRAY IRLT�-jGATION �� CH©WA+�T COUNTY PERMIT No. WQo0©4332 1�t'E Z. - Mpnitc-�z Well Upgrz3ieni Monitoring Weil, NET 6 � 3 �4 S / 8 9 l0i Dit wngraaFait Monitoring Weil �7 Monitoring Well LxiGf �C)N Downy adae tt Mpnitarzne W 13 Figure 2 own of Edenton spray Irrigation ChoWan County , WQ0004332 I GW0004.1 ` Site Detail NIaP_ r3 �g.acse- Ip:'iJ12 n� �A-I .,{.�g•�L:1.\� ��`�'�-�: �E �,.{., F�! _^,`-_ f1" 1,4 I�� !'l k�� .. .._-,- y. } I i +,1 t°It. �i_����}fy���� ��� �� �'kk �F F:}. '� �'V�.�1 �1 EL \�Af ifl! 1� r�',%-,!i�! � r�4 �'YYi r /r�\.r-� • V'' �}I� ' I r�;. Jt l_, ir,. 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