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HomeMy WebLinkAboutWQ0010834_Final Permit_19951220State of North Carolina Department of Environment, Health and Natural Resources Division of Environmental Management James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director Mr. J. David Edwards, Vice President Bald Head Island Utility Company Post Office Box 3069 Bald Head Island, North Carolina 28461 Dear Mr. Edwards: WA �•• ID FE F1 December 20 1995 Subject: Permit No. WQ0010834 Bald Head Island Utility Company Golf Course Spray Irrigation Brunswick County In accordance with your application received March 29, 1995, we are forwarding herewith Permit Number WQ0010834, dated December 20, 1995, to Bald Head Island Utility Company for the construction and operation of the subject wastewater spray irrigation facilities. This project consists of the irrigation of treated effluent from the wastewater treatment facilities permitted under WQ0000193. The wastewater treatment facility approved under Permit No. WQ0000193 presently has a treatment capacity of 200,000 GPD. Therefore, wastewater volumes no greater than 200,000 GPD shall be spray irrigated under the subject permit until the wastewater treatment plant has been expanded and the appropriate permits amended to account for an increase in wastewater flow. This permit shall be effective from the date of issuance until November 30, 2000, 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, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding. One set of approved plans and specifications is being forwarded to you. If you need additional information concerning this matter, please contact Mr. Michael D. Allen at (919) 733-5083 extension 547. cc: Brunswick County Health Department McKim & Creed Engineers Wilmington Regional Office, Water Quality Section Wilmington Regional Office, Groundwater Section Bob Cheek, Groundwater Section, Central Office Training and Certification Unit Facilities Assessment Unit P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-5083 FAX 919-733-9919 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper T NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES RALEIGH SPRAY 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 THE Bald Head Island Utility Company Brunswick County FOR THE operation of a 800,000 GPD wastewater spray irrigation system consisting of consisting of the spraying of treated effluent from the wastewater treatment facility approved under Permit No. WQ0000193 onto 3,702,600 square feet of existing golf course, to serve the Bald Head Island Utility Company with no discharge of wastes to the surface waters, pursuant to the application received March 29, 1995, and in conformity with the project plan, specifications, and other supporting data subsequently filed and approved by the Department of Environment, Health and Natural Resources and considered a part of this permit. This permit shall be effective from the date of issuance until November 30, 2000, and shall be subject to the following specified conditions and limitations: I. PERFORMANCE STANDARDS Upon completion of construction and prior to operation of this permitted facility, a certification must be received from a professional engineer certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting materials. Mail the Certification to the Water Quality Permits and Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535. 2. The Wilmington Regional Office, telephone number (910) 395-3900, shall be notified at least forty-eight (48) hours in advance of operation of the installed facilities so that an in - place inspection can be made. Such notification to the regional 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. 3, The spray 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 Environmental Management, such as the construction of additional or replacement wastewater treatment and disposal facilities. 4. 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 North Carolina Division of Environmental Management. 6. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited. 7. The following buffers shall be maintained: a) 500 feet between wetted area and public water supply wells b) 100 feet between wetted area and wells, c) 100 feet between wetted area and waters classified as SA, d) 100 feet between wastewater treatment units and wells, e) 50 feet between wastewater treatment units and property lines, and f) 25 feet between wetted area and surface waters not classified as SA. 8. 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. A sign shall be posted in plain sight in the club house showing these activities. 11. OPERATION AND MAINTENANCE REQUIREMENTS 1. The facilities shall be properly maintained and operated at all times. 2. Upon classification of the facility by the Certification Commission, the Permittee shall employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the wastewater treatment facilities. The operator must hold a certificate of the type and grade at least equivalent to or greater than the classification assigned to the wastewater treatment facilities by the Certification Commission, The Permittee must also employ a certified back-up operator of the appropriate type and grade to comply with the conditions of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at least weekly and each Class II, III, and IV facility at least daily, excluding weekends and holidays, and must properly manage and document daily operation and maintenance of the facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202. 3. A suitable vegetative cover shall be maintained on the spray 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 spray 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 43.0 inches over any twelve (12) month period at an instantaneous application rate not to exceed 0.14 inches per hour. No type of wastewater other than that from Bald Head Island Utility Company shall be sprayed onto the irrigation area. MONITORING AND REPORTING REOUIREMENTS 1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed necessary by the Division of Environmental Management to insure surface and ground water protection will be established and an acceptable sampling reporting schedule shall be followed. 2. As an indicator of proper operation and maintenance, the facility shall produce an effluent in compliance with the following limitations: Parameter Monthly Avera2ea Daily Maximumb Flow 800,000 GPD BOD5 (5-day, 20°C) 10 mg/1 15 mg/l NH3 as N 4 mg/l 6 mg/1 TSS 5 mgll 10 mg/1 Fecal Coliform 5 per 100 ml a Monthly average shall be the arithmetic mean of all samples collected during the reporting period. b Daily maximum shall be the maximum value of all samples collected during the reporting period. The effluent from the subject facilities shall be monitored, by the Permittee, at the point prior to discharge to the infiltration pond for the following parameters: Parameter Sampling Point Sampling Frequency Type of Sample Flow BOD5 (5-day, 20°C) NH3 as N TSS Fecal Coliform Settleable Matter Residual Chlorine NO3 TDS TOC Chloride Influent or Effluent Continuous Recording Effluent *2/Month Composite Effluent *2/Month Composite Effluent 2/Month Composite Effluent of first pond *2/Month Grab Effluent Daily Grab Effluent Daily Grab Effluent *Triannually Grab Effluent * *Triannually Grab Effluent �Triannually Grab Effluent �Triannually Grab The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard units. * 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. 3 3. 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. 4. Three (3) copies of all operation and disposal records (as specified in condition III 3) on Form NDAR-1 shall be submitted on or before the last day of the following month. Three (3) copies of all effluent monitoring data (as specified in condition III 2) on Form NDMR-1 shall be submitted on or before the last day of April, August, and December. All information shall be submitted to the following address: NC Division of Environmental Management Water Quality Section Facility Assessment Unit Post Office Box 29535 Raleigh, NC 27626-0535 5. 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. A maintenance log shall be maintained at this facility including but not limited to the following items: a. Daily sampling results including settleable matter and 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. 7. Noncompliance Notification: The Permittee shall report by telephone to the Wilmington Regional Office, telephone number (910) 395-3900, 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. Persons reporting such occurrences by telephone shall also file a written report in letter form within 15 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 In accordance with 15A NCAC 2L .0104(b), the groundwater within the Compliance Boundary shall have a RS designation and the construction or operation of water supply wells within the Compliance Boundary is strictly forbidden 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 143-215.6A(a)(1). 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 permittee. 2. Prior to beginning waste disposal operations, three (3) monitor wells, one (1) upgradient and two (2) downgradient, shall be installed to monitor groundwater quality. The well(s) shall be designated as MW-4, MW-5, and MW-6, and 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 each well is marked on Attachment A. Each monitoring well shall be located at the review boundary, constructed in accordance with this permit, and approved by the Wilmington Regional Office. 3. All wells that are constructed for purposes of groundwater monitoring shall be constructed in accordance with 15A NCAC 2C .0108 (Standards of Construction for Wells Other than Water Supply) and any other state and local laws and regulations pertaining to well construction. 4. The Wilmington Regional Office, telephone number (910) 395-3900, 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. 5. Within thirty (30) days of completion of all well construction activities, a certification must be received from a professional engineer certifying that the monitoring wells are located and constructed in accordance with the Well Construction Standards (15A NCAC 2C) and this permit. This certification should be submitted with copies of the Well Completion Form (GW-1) for each well. Mail this certification and the associated GW-1 forms to the Permits and Compliance Unit, Groundwater Section, P.O. Box 29578, Raleigh, NC, 27626-0578. 6. For the initial sampling of the well as specified elsewhere in the permit, the permittee shall submit a copy of the GW-1 Form (Well Completion Form) with the Compliance Monitoring Form (GW-59) for that well. Compliance Monitoring Forms that do not include copies of the GW-1 form will 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 143-215.6. 7. Within sixty (60) days of completion of all monitoring wells, the permittee shall submit two original copies of a scaled topographic map (scale no greater than 1":100') signed and sealed by a professional engineer or a state licensed land surveyor that indicates all of the following information: a . the location and identity of each monitoring well, b . the location of the waste disposal system, c. the location of all property boundaries, d. the latitude and longitude of the established horizontal control monument, e. the relative elevation of the top of the well casing (which shall be known as the "measuring point"), and f, the depth of water below the measuring point at the time the measuring point is established. The survey shall be conducted using approved practices outlined in 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 waste 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 in a. through e. above shall be surveyed relative to this horizontal control monument. The positional accuracy of features listed in a. through e. above shall have a ratio of precision not to exceed an error of closure of 1 foot per 10,000 feet of perimeter of the survey. Any features located by- the radial method will be located from a minimum of two points. Horizontal control monument 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 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 Global 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 will be differentially corrected. The maps and any supporting documentation shall be sent to the Groundwater Section, N.C. Division of Environmental Management P.O. Box 29578 Raleigh, N.C. 27626- 0578. 8. Monitor wells MW-4, MW-5, and MW-6 shall be sampled initially after construction (and prior to waste disposal operations) and thereafter every March, July, and November for the following parameters: Static Water Levels Ammonia Nitrogen Total Phosphorous pH Fecal Coliforms Volatile Organic Compounds NO3 NO2 TDS Chlorides In November only (by Method 1 or 2 below) Method 1: Method 6230D (Capillary - Column), "Standard Methods For The Examination of Water and Wastewater", 17th ed., 1989 Method 2: Method 502.2 "Methods For The Determination Of Organic Compounds - In Drinking Water", U.S. EPA-600/4-88/039 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 any volatile organic compounds are detected by Method 6230D, or the equivalent Method 502.2, then the Wilmington Regional Office Groundwater Supervisor, telephone number (910) 395-3900, must 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. The results of the sampling and analysis shall be sent to the Groundwater Section, Permits and Compliance Unit, P.O. Box 29578 Raleigh, N.C. 27626-0578 on Form GW-59 [Compliance Monitoring Report Form] every April, August, and December. 9. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be provided. 10. The permittee shall disconnect any potable water supply wells within the Compliance Boundary within 120 days and prior to any waste disposal onto the golf course. The permittee shall contact the Public Water Supply Staff of the Wilmington Regional Office 48 hours prior to any disconnection activity. The disconnected wells shall be abandoned prior to the commencement of waste disposal activities if they will not be used for any other purpose. 11. All property owners who have private water supply wells shall be notified in writing by the applicant of the construction of the proposed disposal system, and granted access to connect the permittee's potable water supply system. 12. The water softener backwash inflow shall be disconnected from the Central Wastewater Treatment Plant. This backwash shall have a method of disposal approved and permitted by the Division of Environmental Management. 13. No land application of waste activities shall be undertaken when the seasonal high water table is less than three feet below land surface, 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 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 of Environmental Management or other permitting authority. Any duly authorized officer, employee, or representative of the Division of Environmental Management may, upon presentation of credentials, enter and inspect any property, premises or place on or related to the disposal site or facility at any reasonable time for the purpose of determining compliance with this permit; may inspect or copy any records that must be maintained under the terms and conditions of this permit, and may obtain samples of groundwater, surface water, or leachate. VI. GENERAL CONDITIONS 1. 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 of Environmental Management 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 of Environmental Management in accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c). 5. The issuance of this permit does not preclude 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. 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 revoke this permit as specified by 15 NCAC 2H .0205 (c)(4). 8. 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 time and under such conditions and limitations as it may deem appropriate. Permit issued this the twentieth day of December, 1995 NORTH CAROLINA ENVIR � ENT L MANAGEMENT CQMMISSION A.' Preston Howard, Jr., P.E., Dhector Division of Environmental Managent By Authority of the Environmental Management Commission Permit Number WQ0010834 Permit No. WQ0010834 December 20, 1995 ENGINEER'S CERTIFICATION I, , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the project, Project Name Location for the Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance and intent of this permit, the approved plans and specifications, and other supporting materials. 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Telephone: Regional Office Telephone: Central Office Telephone: CRC: Grade: Telephone: Check Classification's): Subsurface t• Spray Irrigation LandApplication Wastewater Classification: (Circle One) I Ii Ill 1V Total Points: N,LPLT PP,xcS5E5 AND Rp DCQNTRO EQUIPMEN7 V.'ri1CN ARE AN ih PART IN P Tlbr�' S SNES kpt EXEf -1 FROM CLFSSiFICATk� SUES JRFACE CLAcZ F}CAT10N (c`leck. a units that apply) 1-septic tanks 2 pump tanks 3. siphon or pump -dosing systems A. -sand filters 5 grease trap£nterceplor 6 oi'wate separators 7, subsurface treatment and disposes; ❑ ravi I y pressure SPRAY I RPJGAT3:)N C LA SSIFiCATi )N (check all units that apply) 1-preliminary treatment (definition no. 32 ) 2-lagoons 3. septic tanks 4- pump tanks 5, pumps 6. sand filters 7. grease trap-rinlerceptor 8 oiilwaler separators 9. disinfeclion 1o. chemical addition for nulrienl/algae control ti. ', spray irrigation of wastewater Pretreelrnent of westeweter to excess of these components shall be rated using the point rating systern and will require an operator with an appropriate dual certification. LAND APPi_tCATiOWRFSIDUALS CLASSIFICATION (Applies only to permit holder) t. LanU app;i aLion of biosolids, residuals or contaminated soils on a designated site. WASTD',' TER,TP,GATMEN'TFACILt1YCLAS&FCAT)ON The fo:lowing systems shall be assigned a Class I dassi%ation, unless the flow is of a signilioani quantity or the technology is unusua',y complex, tc require censideralion by the Commission on a case -by -cast basis: (Check ff Appropriate) 3 Oi'/wa:e Separalor Systems consisting only of physical separation, pumps and dispesat; 2. Seplic Tank/Sand Filler Systems oonsisling only of septic tanks, dosing_ apparalus, pumps,sand lifters, disinfection and direct discharge; 3 Lagoor, Systems consis€ing only o! preliminary treatment, lagoons, pumps, disinteclion, necessary chemical Irea:men! for algae or nuldent control, and direct discharge; 4. Closed loop Re`ycle Systems; 3 G,oindwater Remedialion Systems consisling only of pumps, sir -stripping, carbon adsorption, disinteclion and disposal; 6. Fish larms with discharge to surface waters; 7. Wver Plant sludge handling and bacJ,-wash wafer lrealment; 6 Sea'DY1 processing consisting ol, screening and disposal. 5- Srg'e-tamily discharging systems with the exception of Aerobic Treatment Units, will be dassilied it permilied after July 1, 7943 or it upon inspeclion by the Division, it is found that the system is not being adequately operated or maintained. Such systems will be notified of the classification or rectassitir_alionj�y the Commission, in writing,