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HomeMy WebLinkAboutWQ0016165_Final Permit_20040114o=oF warEgQ� =5 Michael F. Easley, Governor William G. Ross In, Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E., Director Coleen H. Sullins, Deputy Director Division of Water Quality January 14, 2004 ROGER SPACH — WATER RESOURCES SUPERINTENDENT CITY OF LEXINGTON 28 WEST CENTER STREET LEXINGTON, NORTH CAROLINA 27292 Subject: Permit No. WQ0016165 City of Lexington Conjunctive -Use Wastewater Spray Irrigation Davidson County Dear Mr. Spach: In accordance with your renewal request received October 10, 2003, we are forwarding herewith Permit No. WQ0016165, dated January 14, 2004, to City of Lexington for the continued operation of the subject wastewater treatment and surface irrigation facilities, This permit shall be effective from the date of issuance until December 31, 2008, shall void Permit No. WQ0016165 issued May 14, 1999, 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. 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 Nathaniel Thornburg at (919) 733-5083 extension 533. Sincerel ,/Alan W. Klimek, P.E. cc: Davidson County Health Department Winston-Salem Regional Office, Water Quality Section Winston-Salem Regional Office, Groundwater Section Groundwater Section, Central Office Technical Assistance and Certification Unit Water Quality Central Files NDPU Files Non -Discharge Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 DEN Customer Service Center An Equal Opportunity Action Employer Internet http:l/h2o.enr.slate.nc.us/ndpu Telephone (919) 733-5083 Fax (919) 715-6048 Telephone 1 800 623-7748 50% recycled/10% post -consumer paper AGA l'yl' F�- NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALEIGH SURFACE 1DRICATION 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 City of Lexington Davidson County FOR THE continued operation of a 9,000 gallon per day (GPD) surface irrigation treatment and disposal facility consisting of a 176,000 square foot (ft) spray irrigation area, forty (40) sprinkler heads with a maximum 57 foot cast, and all associated piping, valves, and appurtenances to serve the City of Lexington Conjunctive -Use Wastewater Spray Irrigation site, with no discharge of wastes to the surface waters, pursuant to the application received October 10, 2003, 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 December 31, ZOOS, shall void Permit No. WQ0016165 issued May 14, 1999, and shall be subject to the following specified conditions and limitations: 1. PERFORMANCE STANDARDS A. 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 Permittee shall take immediate corrective actions including those actions that may be required by the Division of Water Quality (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 surface or groundwaters resulting from the operation of this facility. �j3' 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. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited. 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 properly lines. Some of the buffers specified above may not have been included in previous permits 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 facility. 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 the 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 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 (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 8G .0201. The ORC shall visit the facilities in accordance with ISA NCAC 8G .0204 or as specified in this permit and shall comply with all other conditions specified in these rules. A suitable year round vegetative cover shall be maintained. r ,_4: 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. Aj- 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. 7. The application rate shall not exceed a cumulative loading of 30.0 inches over any twelve (12) month period at an instantaneous application rate not to exceed 0.30 inches per hour. No type of wastewater other than that from the City of Lexington's wastewater treatment plant (NC0055786) shaII be irrigated onto the irrigation area. 19: No traffic or equipment shall be allowed on the disposal area except while installation occurs or while normal maintenance is being performed_ ;1(). 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. PA III. MONITORING AND REPORTING RE UIREMENTS 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. Influent flow shall be continuously monitored and daily average flow values shall be reported on Form NDMR. Flow may be estimated from water use records provided water use is metered. Daily average values shall be calculated by dividing monthly flow volume by the number of days in the month. The effluent from the subject facilities shall be monitored by the Permittee at a point prior to irrigation every March, July and November for the following parameters: BOD5 TKN pH Fecal Coliform NH3 as N TSS NO2-NO3 Total Phosphorous 4. Adequate records shall be maintained by the Permittee tracking the amount of wastewater disposed. 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. weather conditions, and g, maintenance of cover crops. ,,5. l Three (3) copies of all monitoring data [as specified in Conditions 111(2) and 11I(3)] on Form NDMR- I and three (3) copies of all operation and disposal records [as specified in Condition IU(4)] on Form NDAR-1 shall be submitted monthly on or before the last day of the following month. All information shall be submitted to the following address: NC Division of Water Quality Water Quality Section Non -Discharge Compliance/Enforcement Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 A representative annual 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 Magnesium Sodium Zinc Calcium Manganese Percent Hutnic Matter Potassium Copper vH Cation Exchange Capacity Phosphorus Exchangeable Sodium Percentage Base Saturation (by calculation) Noncompliance Notification: The Permittee shall report by telephone to the Winston-Salem Regional Office, telephone number (336) 771-4600, 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. 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 REQUIREMENTS Vertical Separation Requirements: Industrial waste shall not be applied or discharged onto or below the land surface when the vertical separation between the waste and the seasonal high water table is less than three (3) feet, unless the permittee has demonstrated to the Director or his delegate, by using predictive calculations or modeling methods acceptable to the Director or his delegate, that such placement will not result in contravention of classified groundwater standards. 2. Applicable Boundaries: 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 individually permitted on or after December 30, 1983 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 exceedance of Groundwater Quality Standards at or beyond the Compliance Boundary is subject to remediation action according to 15A NCAC 2L .0106(d)(2). LThe REVIEW BOUNDARY is established around the disposal systems midway between the _11. 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 2L .0106(d)(1). M V. INSPECTIONS 1. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to insure proper 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 Permittee shall keep 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 three years from the date of the inspection and shall be made available upon request to the Division or other permitting authority. 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 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. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. -� This permit is not transferable. In the event there is a desire for the facilities to change ownership, or r 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 supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. Failure to abide by the conditions and Iimitations 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. 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) which have jurisdiction, including but not limited to applicable river buffer rules in 15A 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. A set of approved plans and specifications for the subject project must be retained by the Permittee F for the life of the project. .I-- "7. The annual administering and compliance fee must be paid by the Permittee 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). 8: The Permittee, at least six (6) months pir,Lbr ji�,442 expiration of this permit, shall request its extension. ` Upon receipt of the request, the Commission 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. 5 Permit issued this the 14th day of January, 2004 NORTH C LINA ENVIRONMENTAL MANAGEMENT COMMISSION -Alan W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0016165 orw n 0 N SCALE IN FEET 0 2,000 4,000 9��mt- G] FIGURE I CITY OF LEXINGTON PILOT SPRAY IRRIGATION PROJECTC DAVIDSON COUNTY o WQw0016165lGw9&187 SITE LOCATION MAP y _.-., _. '11 r,—moi.'cs"erJ.4'/'Al�.l:k'�,i��•.e�����ibg}`�`l�:i,''.«�7i n a ET 3r d x Q. 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