Loading...
HomeMy WebLinkAboutWQ0002994_Final Permit_20050509�OF Vd A 7-iz Michael F. Easley, Governor `p G William G. Ross Jr., Secretary 7 North Carolina Department of Environment and Natural Resources a Alan W. Klimek, P.E., Director Division of Water Quality May 9, 2005 RODNEY M. TART, DIRECTOR SCANNED HARNETT COUNTY DEPARTMENT OF PUBLIC UTILITIES SOUTHWEST WATER AND SEWER DISTRICT OF HARNETT COUNTY DATE:�L� PO Box 1119 LILLINGTON, NORTH CAROLINA 27546 Subject: Permit No. WQ0002994 Carolina Lakes Subdivision WWTF Wastewater Surface Irrigation Harnett County Dear Mr. Tart: In accordance with your request for renewal and minor modification received March 12, 2004, and subsequent additional information received December 7, 2004, we are forwarding herewith Permit No. WQ0002994, dated May 9, 2005, to the Southwest Water and Sewer District of Harnett County for the continued operation of the subject wastewater treatment and surface irrigation facilities. This permit approves the request made by Hiram J. Marziano, P.E. of Marziano & Minier, P.A. on the behalf of the Southwest Water and Sewer District of Harnett County to void the approved expansion to 700,000 gallons per day granted by the permit issued on August 6, 2001. As requested, Zones 4, 5, 16, 17, and 18 have been removed as irrigation acreage. This permit also approves the utilization of the revised expanded irrigation area (approximately 52.97 acres). The approved capacity of the wastewater treatment plant is 299,600 gallons per day, and the total irrigation area including the revised expansion irrigation area is approximately 78.94 acres. This permit shall be effective from the date of issuance until April 30, 2010, shall void Permit No. WQ0002994 issued August 6, 2001, and shalt 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 fixture 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 trade this permit shall be final and binding. N�o"thcaro ina ,�irlurr�)ly Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 Phone (919) 733-3221 _ Customer Service Internet: h2o.enr.s1ate.ne,us 2728 Capital Boulevard Raleigh, NC 27604 FAX (919) 715-6048 1-877.623-6748 An Equal Opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper One set of approved plans and specifications is being forwarded to you. If you need additional information concerning this matter, please contact Toni Wyche at (919) 715-61 &8. Sincerely Alan W. Klimek, P.E. cc: Harnett County Health Department Fayetteville Regional Office, Aquifer Protection Section Hiram J. Marziano, P.E. of Marziano & Minier, P.A. Technical Assistance and Certification Unit APS Central Files — Parker Lincoln (WQ0002994) 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 Southwest Water and Sewer District of Harnett County Harnett County FOR THE continued operation of an existing 299,600 GPD surface irrigation treatment and disposal facility consisting of influent flow meter facilities, two (2) facultative lagoons (one 6.3 MG and one 2.88 MG), one inclement weather storage lagoon (6.3 MG), a liquid chlorine disinfection systern, a holding pond and 400 GPM pump station with dual pumps and an effluent flow meter, 11,620 linear feet of 6 inch force main, a 400 GPM booster pump station, an automatic irrigation control system, approximately 78.94 acres of irrigation area with a solid set spray irrigation system having a total of 153 sprinkler heads each with a throw diameter of 145 feet and automatic drain valves on Site #1 (existing) and hydrants along with a reel irrigation system on Site #2 (expansion), and all associated piping, valves, controls and appurtenances to serve the Carolina Lakes and Carolina Hills Developments, with no discharge of wastes to the surface waters, pursuant to the application received March I2, 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 April 30, 2010, shall void Permit No. WQ0002994 issued August 6, 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 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. 3. The residuals generated frown 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. 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 treat ment/storage units and any wells, and g) 50 feet between treatment units and property 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. 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. 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. 2 The application rates onto the wetted area of the spray irrigation facilities shall not exceed the following: Zone No. ° Approximate Wetted Area (acres) Cumulative Application Rate (inches per year) Instantaneous Application Rate (inches per hour) Existing (Site #1) 1 6.59 52 0.53 2 10.87 52 0.53 3 7.66 52 0.53 4 0.85 52 0.53 Revised Expansion Area (Site #2) 1 9.92 78 0.53 2 9.10 78 0.53 3 9.10 78 0.53 4 6.87 78 0.53 5 8.99 78 0.53 6 8.99 78 0.53 Total Irrigation area: 78.94 Each field shall be closely monitored during any spray irrigation event. Should the applied wastewater effluent be observed to accumulate on the ground surface, the application rates shall be reduced or irrigation shall be ceased accordingly. The cumulative application rate shall be equivalent to the loading of wastewater effluent over any 12-month period. 8. No type of wastewater other than that from Carolina Lakes and Carolina Hills Developments shall be irrigated onto the irrigation area. 9. An automatically activated standby power source shall be on site and operational at all times. If a generator is employed as an alternate power supply, it shall be tested weekly by interrupting the primary power source. 10. No traffic or equipment shall be allowed on the disposal area except while installation occurs or while normal maintenance is being performed. 11. 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. 12. Freeboard in the treatment and storage lagoons shall not be less than two feet at any time. 13. If not already installed, a waste -level gauge, to monitor waste levels in the storage 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. 14. 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 grow on the earthen basin dikes or embankments. Earthen basin embankment areas shall be kept mowed or otherwise controlled and accessible. 111. 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 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. The effluent from the subject facilities shall be monitored by the Permittee at the point prior to irrigation every February, April, July, and November for the following parameters: BOD5 TSS Fecal Coliform pH NH3 as N TKN NO,-NO3 as N PAN (lbs/acrelyear by calculation) 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. Freeboard in the treatment and storage lagoons shall be recorded weekly. 6. Three (3) copies of all monitoring data (as specified in condition III 2 and III 3) on Form NDMR-1 and three (3) copies of all operation and disposal records (as specified in condition 1114, and I115) on Form NDAR-I 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 Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 4 IV. 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 Calcium Copper Magnesium Cation Exchange Capacity 8. Noncompliance Notification: Manganese Potassium Percent Humic Matter Sodium pH Zinc Exchangeable Sodium Percentage Phosphorus Base Saturation (by calculation) The Permittee shall report by telephone to the Fayettevile Regional Office, telephone number (910) 486-1541, 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 durnping 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. GROUNDWATER REQUIREMENTS 1. Well Construction / Abandonment Criteria: a. Within ninety (90) days of permit issuance, one monitor well (MW-18) shall be installed to monitor groundwater quality. The well shall be constructed such that the water level in the well is never above or below the screened (open) portion of the well at any time during the year. The general location and name for the well is marked on Figure 2. The monitoring well shall be located at the Review boundary, constructed in accordance with this permit, and approved by the Fayetteville Regional Office. b. The well must be constructed by either a North Carolina Certified Well Contractor, the property owner, or the property lessee according to General Statutes 87-98.4(b)(2). If the construction is not performed by a certified well contractor, the property owner or lessee, provided that they are a natural person, must physically perform the actual well construction activities. All well(s) must be constructed according to the North Carolina Well Construction Standards (15A NCAC 2C .0108) and any local county rules. Within sixty (60) days of permit issuance, monitor wells MW-2, MW-3, MW-4, MW-6, MW-8 and MW-9, shall be temporarily abandoned by securing the wellheads to prevent access by hand. Each well shall have a lockable cap and be locked in order to reasonably ensure against unauthorized access and use [ 15A NCAC 2C .0108(c)(7)]. The wells shall be further secured by placing a compatible watertight cap or seal onto the riser pipe to prevent potential contamination from entering the wells. d. The Fayetteville Regional Office, telephone number(910)486-1541, shall be notified at least forty-eight (48) hours prior to the construction of any monitoring well so that an inspection can be made of the monitoring well location. Such notification to the regional groundwater supervisor shall be made during the normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding state holidays. e. Within thirty (30) days of completion of all well construction activities, a certification must be received from a professional engineer or a licensed geologist certifying that the monitoring wells are located according to this permit. 2. Sampling Criteria: a. Monitor wells (MW-1, MW-5, MW-7, MW-10, MW-11, MW-12, MW-13, MW-14, MW-15, MW-16, MW-17 and MW-18) shall be sampled every July for the parameters listed below[see Figures 3,4 and 5]. Prior to sampling the parameters, the measurement of water levels must be taken. 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 relative to a common datum. Nitrate (NO3-N) Total Dissolved Solids (TDS) Chloride Fecal Coliforms Total Ammonia Nitrogen (NH3-N) Total Phosphorous pH(field) Water Level Total Organic Carbon Volatile Organic Compounds b. For Total Organic Carbon (TOC), if concentrations greater than 10 mg/1 are detected in any down -gradient 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 10 mg/I, this concentration will be taken to represent the naturally occurring TOC concentration. Any exceedances of this naturally occurring TOC concentration in the down -gradient wells shall be subject to the additional sampling and analysis as described above. c. For Volatile Organic Compounds (VOCs) sampled in July, use only one of the following methods: 1) Standard Method 6230D, Practical Quantitation Limit (PQL) at 0.5 p.g/L or less 2) Standard Method 6210, PQL at 0.5 µglL or less 3) EPA Method 8021, Low Concentration, PQL at 0.5 µg/L or less 4) EPA Method 8260, Low Concentration, PQL at 0.5 µg/L or less 5) Another method with prior approval by the Groundwater Section Chief. Any of the referenced methods used for VOCs must at a minimum, include all the constituents listed in Table VIII of Standard Method 6230D. Any method used must provide a PQL of 0.5 µg/L or less, which must be supported by laboratory proficiency studies as required by the DWQ Laboratory Certification Unit. Any constituents detected above the Method Detection Limit (MDL) but below the PQL of 0.5 ug/L must be qualified (estimated) and reported. d. Any laboratory selected to analyze parameters must be Division of Water Quality (DWQ) certified for those parameters required. I 3. Reporting / Documentation: a. All reports and documentation (GW-1, GW-30, GW-59) shall be mailed to the following address: NCDENR - DWQ Information Processing Unit 1617 Mail Service Center Raleigh, NC 27699-1617 Updated blank forms (GW-1, GW-30, GW-59) may be downloaded from the Groundwater Section's website at http://gW.chnr.state.nc_us/ or requested from the address mentioned above. b. For the initial sampling of the monitoring well MW-18, the Permittee shall submit a copy of the GW-I Form (Well Construction Record) with the Compliance Monitoring Form (GW-59) for each well to the address listed in the "Reporting / Documentation" section of the Groundwater Requirements. Initial Compliance Monitoring Forms that do not include copies of the GW-1 form may be returned to the Permittee without being processed. Failure to submit these forms as required by this permit may result in the initiation of enforcement activities pursuant to NC General Statutes 143-215.6A. c. The results of the sampling and analysis must be received on Form GW-59 (Groundwater Quality Monitoring: Compliance Report Form) by the Groundwater Section (address listed in the "Reporting / Documentation" section of the Groundwater Requirements), 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. d. Within sixty (60) days of completion of monitoring well MW-18, 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: 1) The location and identity of all monitoring wells. 2) The location of major components of the waste disposal system. 3) The location of property boundaries within 500 feet of the disposal area(s). 4) The latitude and longitude of the established horizontal control monument. 5) The elevation of the top of the well casing (which shall be known as the "measuring point") relative to a common datum. 6) The depth of water below the measuring point at the time the measuring point is established. 7) The location of Review and Compliance boundaries. 8) The date the map is prepared and/or revised. Control monuments 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. Maps and any supporting documentation shall be sent to the Groundwater Section as addressed in the "Reporting 1 Documentation" above. The Permittee is responsible for the geographic accuracy of any map submitted, however produced. 4. Vertical Separation Requirements: 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 one (1) foot. 5. Liner Requirements: The lagoon shall have either a liner of natural material at least one (I) foot in thickness and having a hydraulic conductivity of no greater than 1 x 10-6 centimeters per second when compacted, or a synthetic liner of sufficient thickness to exhibit structural integrity and an effective hydraulic conductivity no greater than that of the natural material liner, according to 15A NCAC 2H .0219(f). 6. 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). b_ 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 2L .0106(d)(1). 7. Additional Requirements: Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be provided. V. INSPECTIONS 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 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. 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 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. 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 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. 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 Pernduce 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 Permittee, at least 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 tirne and under such conditions and limitations as it may deem appropriate. Permit issued this the 91h day of May, 2005 NORTH C OLINA FNVIRONMENTAL MANAGEMENT COMMISSION Alan W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0002994 Ithis 11 y" Buff alq Lakai- 0 t 77 ILI 7 C-/ 41/ S) 0 !"A" ILLS) 677 :24000 5 6WO ?000 FEET WAL 10 FEET MCAL DATUM Of- 1929 2�- V Park A2 -N AIANCHESI'ER 4.0 MI Al tNYEA1OR--GWtOG1CAL SUFN.L.Y. REST FAYE 7-T-EV4.LK 'i A4 1. 118 1 11-y- ROAD CLASSIM Medium -duty + Lig, + + Un'mproved diet 0 Stale Ro 1:1 Y7� QjAORANIGL» LOCAMN Conwirthi IM 4997 Mnafach. Inr. Carolina Lakes - Harnett County Figure 5 New Permit - Monitoring Well Layout by tec 5/04 from 98 olivia doqq 3000 0 3000 6000 Feet N © compliance wiry A Monitor weld - Apx Property Line Monitor Weil - GPS NSpray tine WQ0002994/GW04029 wrR���® -2 � NO,V:,� p�4 1SCR G6PER MNG