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HomeMy WebLinkAboutWQ0014306_Final Permit_20040514`otro� w a Rp� Michael F. Easley, Governor p William G. Ross Jr., Secretary LI UI G S` North Carolina Department of Environment and Natural Resources C) C Alan W. Klimek, P.E., Director Division of Water Quality May 14, 2004 Raymond Gottlieb, Manager Sandler Utilities at Mill Run, L.L.C. 448 Viking Drive, Suite 225 Virginia Beach, VA 23452 Subject: Permit No. WQ0014306 Sandler Utilities at Mill Run, L.L.C. Raymond Gottlieb Wastewater Treatment and Reclaimed Water Utilization System Currituck County Dear Mr. Gottlieb: In accordance with your request for renewal received January 9, 2003, we are forwarding herewith Permit Number WQ0014306, dated May 14, 2004, to Sandler Utilities at Mill Run, L.L.C. for the continued operation of the subject wastewater treatment and reclaimed water utilization system.. This permit shall be effective from the date of issuance until April 30, 2009, shall void Permit No. WQ0014306 issued April 12, 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. 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 Michelle McKay at (919) 733- 5083 extension 544. cc: Currituck County Health Department Washington Regional Office, Water Quality Section Washington Regional Office, Groundwater Section Groundwater Section, Central Office Water Quality Central Files NDPU Files Non -Discharge Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 Sincer y, r 4Alan W. Klimek, P.E. Internet http://h2o.enr.nc.state.us/ndpu Telephone (919)733-5083 Fax (919)715-6048 Telephone 1 800 623-7748 50% recycled/10% post -consumer paper A �� DENR Customer Service Center An Equal Opportunity Action Employer NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALEIGH WASTEWATER TREATMENT AND RECLAIMED D WATER UTILIZATION ILIZATION PERMIT hi 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 Sandler Utilities at Mill Run, L.L.C. Currituck County FOR THE continued operation of a 350,000-GPD wastewater treatment plant, and reclaimed water utilization system. The 350,000-GPD dual -path extended aeration wastewater treatment plant consists of an 87,500-gallon flow - equalization basin with dual 243-GPM pumps and a single 300-CFM blower, a manually -cleaned bar screen, a flow-splitter box, two 228,00-gallon aeration basins with one basin consisting of a 45,000-gallon section and a 183,000-gallon section, one 148,250-gallon clarifier and one 28,220-gallon clarifier, one 32,100-gallon aerated sludge -holding tank, two 2,000-CFM blowers, one 23-cell travelling -bridge filter with a total area of 348 square feet, and all associated piping, valves and appurtenances. The treatment system also consists of ultraviolet disinfection, one 30,080-gallon effluent -dosing tank with dual 608-GPM pumps, high-water alarms, and approximately 450 linear feet of 10-inch force main, a gasoline - powered stand-by generator with automatic transfer switch, a continuous monitoring and recording turbidometer, a continuous monitoring and recording flow ureter, and a 5.5-MG infiltration pond. The infiltration pond is in lieu of a lined 5-day upset pond. The reclaimed water spray irrigation system consists of a 7.431-MG wet -weather storage and irrigation pond and approximately 112.25 acres of irrigation area, with a limited capacity of 321,000 GPD due to the available irrigation area. The wastewater treatment and reclaimed water spray irrigation system serves the Eagle Creek Development off of SR 1215 (36°29' N, 76°10' W) with no discharge of wastes to the surface waters, pursuant to the application received January 9, 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 April 30, 2009, shall void Permit No. WQ0014306 issued April 12, 2001, and shall be subject to the following specified conditions and limitations: I. PERFORMANCE STANDARDS The reclaimed water utilization 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 tale 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. 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. 100 feet between wetted areas and water supply wells, b. 100 feet between wetted areas and waters classified as SA, c. 25 feet between wetted areas and surface waters not classified as SA, d. 100 feet between wastewater treatment units and wells, e. 50 feet between reclaimed water storage/irrigation ponds and property Iines, and f. 50 feet between wastewater treatment units and property lines. 6. Public access to the irrigation sites shall be controlled during active site use. Such controls may include the posting of signs showing the activities being conducted at each site. A sign shall be posted in plain sight in the club house showing these activities. I1. OPERATION AND MAINTENANCE REQUIREMENTS The facilities shall be properly maintained and operated at all times. 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 8G .0201. The ORC shall visit the facilities in accordance with 15A 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 on the irrigation areas. 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. 6. 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 31.2 inches over any twelve (12) month period at an instantaneous application rate not to exceed 0.1 inches per dose. 2 8. No type of wastewater other than that from Eagle Creek Development shall be irrigated onto the irrigation area. 9. A waste -level gauge, to monitor waste levels in the storage pond and infiltration pond, 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 level 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. 10. Vegetative growth must be kept out of the infiltration pond at all times. All vegetation must be removed manually so that minimal disturbance will occur to the disposal area. 11. The application of chemicals to the infiltration pond is expressly prohibited. 12. Proper depth shall be achieved in the drainage ditches surrounding the golf course or a propeller pump shall be installed as proposed in the original application package to ensure that the elevation of the drainage ditches allows the movement of groundwater off site. Permission shall be obtained from the downstream property owners to deepen the ditches. Until such time that the County has established a drainage district, the developer shall be responsible for maintaining the canals for positive drainage. III. MONITORING AND REPORTING REQUIREMENTS 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 be 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. Records of flow measurement device calibration shall be kept on file by the Permittee 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. As an indicator of proper operation and maintenance, the facility shall produce an effluent in compliance with the following limitations when the effluent is routed to the reclaimed water utilization system: Parameter Monthly Avera ea Dail(Instantaneous) MaximumG Flow 321,000 GPD BOD5 (5-day, 20°C) 10 mg/l 15 mg/l NY3 as N 4 mg/I 6 migil Total Suspended Solids 5 mg/I 10 mg/l Fecal Coliform 14 per 100 ml b 25 per 100 ml Turbidity 10 NTU The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard units a Monthly averages for all but fecal coliform shall be the arithmetic mean of all samples collected during the reporting period. b Monthly average for fecal coliform shall be the geometric mean of all samples collected during the reporting period. Daily maximum shall be the maximum value of all samples collected during the reporting period. 4. As an indicator of proper operation and maintenance, the wastewater treatment system shall produce an effluent in compliance with the following limitations when the effluent is routed to the non - discharge disposal system: Parameter Monthly Average Flow 321,000 GPD BOD5 (5-day, 20°C) 15 mg/L Ammonia -Nitrogen 4 mg/L Total Suspended Solids 30 mg/L Fecal Coliform 200 per 100 mL pH shall not be less than 6.0 standard units nor greater than 9.0 standard units. a Monthly averages for all parameters except fecal coliform shall be the arithmetic mean of all samples collected during the reporting period. The monthly average for fecal coliform shall be the geometric mean of all samples collected during the reporting period. Note that if the groundwater monitoring program indicates or predicts problems with compliance with any of the groundwater quality standards as stipulated in 15A NCAC 2L, this permit may be modified to include additional and/or more restrictive limitations for reclaimed water/effluent parameters. 4 5. The effluent from the subject facilities shall be monitored, by the Permittee, at the point prior to discharge for the following parameters when the effluent is routed to the reclaimed water utilization system: Parameter Sampling_Point Sampling_Frequency Type of Sample Flow Influent or Effluent Continuous Recording Turbidity Effluent Continuous Recording BOD5 (5-day, 20°C) Effluent 2/Month Composite NH3 as N Effluent 2/Month Composite TSS Effluent *2/Month Composite Fecal Coliform Effluent *2/Month Grab Settleable Matter Effluent Daily Grab Residual Chlorine Effluent Daily Grab NO3 Effluent Triannually Grab TDS Effluent Triannually Grab TOC Effluent Triannually Grab Chloride Effluent Triannually Grab pH Effluent Triannually Grab 2/Month sampling frequency only during the months of April through October. During the remainder of the year, these parameters shall be monitored monthly. ** Triannually sampling shall be conducted during March, July and November. If Groundwater sampling indicates or predicts problems with the compliance with Groundwater Standards, this permit will be modified to include additional and/or more restrictive limitations. G. 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 and time of irrigation, b. volume of wastewater irrigated, c. zone irrigated, d. length of time zone is irrigated, e. continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for each zone, f. weather conditions, and g. maintenance of cover crops. The monitoring data shall reflect what is sprayed onto each site. NDAR separate the irrigation area into greens, tees and fairways. Unless all fairways (or greens or tees) are irrigated at the same time for the same time, the monitoring reports shall reflect that. 7. Freeboard in the storage pond and infiltration pond shall be recorded weekly. 5 8. Three (3) copies of all monitoring data (as specified in condition 1112 and Ul 3) on Form NDMR-1 and three (3) copies of all operation and disposal records (as specified in condition 1114, and 111 5) 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 9. A record shall be maintained of all residuals removed from this facility. This record shall include the name of the hauler, permit authorizing the disposal or a letter from a municipality agreeing to accept the residuals, date the residuals were hauled, and volume of residuals removed. 10. A maintenance log shall be maintained at this facility including but not limited to the following items: a. Daily sampling results of dissolved oxygen in the aeration basin and at the clarifier weir. b. Visual observations of the plant and plant site. c. Record of preventative maintenance (changing of filters, adjusting belt tensions, alarm testing, diffuser inspections and cleanings, etc.). d. Date of calibration of flow measurement device. e. Date and results of power interruption testing on alternate power supply. 11. Noncompliance Notification: The Permittee shall report by telephone to the Washington Regional Office, telephone number (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: 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 Monitor wells MW-1 and MW-2 shall be sampled every March, July and November for the parameters Iisted below. Water Level pH Chloride Total Dissolved Solids (TDS) Fecal Coliform Total Organic Carbon (TOC) Nitrate -Nitrogen (NOs-N) Total Ammonia Total Phosphorous 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. 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. 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. Any laboratory selected to analyze parameters must be Division of Water Quality (DWQ) certified for those parameters required. 2. All reports and documentation (GW-1, GW-30, GW-59) shall be mailed to the following address: Groundwater Section Permits and Compliance Unit 1636 Mail Service Center Raleigh, NC 27699-1636 3. The results of the sampling and analysis must be received on Form GW-59 (Groundwater Quality Monitoring: Compliance Report Form) by the Groundwater Section, Permits and Compliance Unit, 1636 Mail Service Center Raleigh, N.C. 27699-1636 on or before the last working day of the month following the sampling month. The data of all groundwater sampling analyses required by the permit conditions must be reported using the most recent GW-59 form along with attached copies of the laboratory analyses. The updated forms can be downloaded using the following internet websitc: hgp:l/aw.enr.state.nc. us/. 4. No application of waste activities should be undertaken when the seasonal high water table is less than one (1) foot below land surface. Verification of the water table elevation can be confirmed by water level readings obtained from monitor well(s) near the site, or auger -boring which must be done within 24 hours, prior to application of wastewater. Any open borings must be properly filled with native soil, prior to application to decrease the chance of any waste contaminating the ground water. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be provided. 6. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A NCAC 2L, Groundwater Classifications and Standards_ The Compliance Boundary is for the disposal system constructed after December 31, 1983 is established at either (1) 250 feet from the waste disposal area, or (2) 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 immediate remediation action in addition to the penalty provisions applicable under General Statute 15A NCAC2L.0106(d)(2). In accordance with 15A NCAC 2L .0106(d)(1), 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 permittee. 7. If the trend for TDS standard violations continues, within 18 months of issuance of this permit, the permittee shall assess the violation and submit plans of action for Division approval. V. II`;SDECT.ONS 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 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 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 Pennittee. 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. 2. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. I 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 pen -nit 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. 4. 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. 5. 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. 6. A set of approved plans and specifications for the subject project must be retained by the Permittee for the life of the project. 7. The annual administering and compliance fee must be paid by the Permittee within thirty days after being billed by the Division. Failure to pay the fee accordingly may cause the Division to initiate action to revolve this permit as specified by 15 NCAC 2H .0205 (c)(4). 8. The Permittee, at Ieast six (6) months prior to the 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. Permit issued this the 14th day of May, 2004 NORTH OLINA E VIRONMENTAL MANAGEMENT COMMISSION -jeAlan W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number 14306