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HomeMy WebLinkAboutWQ0024756_Final Permit_20060503RECEIVEDIDENUM , �>Y') `3sc�'— 4. ` ' Lb0F,A tVI FRIG 1lF�I� ppn V 2012 Michael F. Easley, Governor m WilliaG- Ross Jr., Secretary Al�u�fer protection Section North Carolina Department of Environrnent and Natural Resources �dwd Alan W. Klimek, P.E., Director r Division of Water Quality May 3, 2006 Fred M. Bunn FMB of Atlantic Beach, L.L.C. 2207-D West Nash Street Wilson, NC 27896 Charles Cooper, II Town of Atlantic Beach PO Box 10 Atlantic Beach, NC 28512 Dear Mr. Bunn and Mr. Cooper: Subject: Permit No. WQ0024756 The Grove Wastewater Treatment and High Rate Infiltration Facilities Carteret County In accordance with your permit modification request received April 18, 2006, April 7, 2005 and April 25, 2005 we are forwarding herewith Permit No. WQ0024756, dated May 3, 2006, to FMB of Atlantic Beach, L.L.C. and the Town of Atlantic Beach for the construction and operation of the subject wastewater treatment and high rate infiltration facilities. This permit shall be effective from the date of issuance until March 30, 2010, 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 Iimitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699- 6714. Unless such demands are made this permit shall be final and binding. No hCarolina Naturally Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 Phone (919) 733-3221 Customer Service Internet: h2o.enr.state.nc.us 2728 Capital Boulevard Raleigh, NC 27604 FAX (919) 715-6048 1-877-623-6748 An Equal Opportunity}ANirmative Action Employer— 50% Recycled110% Post Consumer Paper One set of approved pla. and specifications is being forwarded you. If you need additional information concerning this matter, please contact Michelle McKay at (91 715-6187. Sincere , . 6"1 W. Klimek, P.E. cc: Carteret County Health Department Wilmington Regional Office, Aquifer Protection Section liiipealitrandfligineeri_rrg,P}� . Technical Assistance and Certification Unit Aquifer Protection Section Central Files LAU Files 2 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALEI GPI HIGH RATE INFILTRATION SYSTEA1 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 FMB Of Atlantic Beach, L.L.C. and Town of Atlantic Beach Carteret County FOR THE construction and operation of a 120,000 GPD wastewater treatment and high rate infiltration facility consisting of one 36,346 ga',lon flow equalization basin with two (2) 125 GPM pumps and one 7.5 horsepower (HP) aerator, a manually cleaned -bar screen, a flow splitter box, two (2) 58,643 gallon aeration tanks with two (2) 140 GPM pumps and three (3) 15 HP aerators, two (2) 13,100 gallon clarifiers each with two 27 GPM waste sludge pumps and each with one I11.11 GPM return sludge pump, a 29,930 gallon sludge holding basin with one 10 GPM pump and three (3) 15 HP aerators, tertiary treatment to include one sand filter air scour blower with a 3 HP motor, ultraviolet disinfection, a 3,360 gallon clear well with two (2) 336 GPM pumps, a 5,446 gallon mudwell with two (2) 50 GPM pumps, an 11,440 gallon irrigation pump tank with one 152 GPM pump, audible and visual high water alarms, a permanent auxiliary power source with automatic transfer switch capable of powering all essential units and 24,000 square feet of drip irrigation area to serve The Grove, with no discharge of wastes to the surface waters, pursuant to the application received April 18, 2006, 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 March 30, 2010, and shall void permit number WQ0024756 dated, and shall be subject to the following specified conditions and limitations: I. PERFORMANCE STANDARDS 1. 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. If this project is to be completed in phases and partially certified, you shall retain the responsibility to track further construction approved under the same permit and shall provide a final certificate of completion once_ the entire project has been completed. Mail the Certification to the Aquifer Protection Section, Land Application Unit, 1636 Mail Service Center, Raleigh, NC 27699-1636. 2. The Wilmington Reg, .1 Office, telephone number (910) 395-3. , 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 nonnal office hours from 8:00 a.m.. until 5:00 p.m. on Monday through Friday, excluding State Holidays, 3. In the event that the facilities fail to perforin satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective actions, including those actions that f may be required by the Division of Water Quality (Division.), such as the construction of additional or replacement wastewater treatment or disposal facilities. 4. The wastewater collection facilities shall be properly maintained and operated at all times. The Permittee shall maintain compliance with an individual system -wide collection system permit for the operation and maintenance of these facilities as required by 15A NCAC 2H .0227. If an individual permit is not required, the following performance criteria shall be met as provided in 15A NCAC 2H .0227: a. The sewer system shall be effectively maintained and operated at all times to prevent discharge to land or surface waters, and any contravention of the groundwater standards in 15A NCAC 2L .0200 or the surface water standards in 15A NCAC 2B .0200. b. A map of the sewer system shall be developed prior to operation of this permitted facility and shall be actively maintained. c. An operation and maintenance plan shall be developed and implemented. \V1 d. Pump stations that are not connected to a telemetry system shall be inspected every day (i.e. 365 days a year). Pump stations that are connected to a telemetry system shall be inspected at least once per week. e. High -priority sewer lines shall be inspected at least once per every six-month period of time. £ A general observation of the entire sewer system shall be conducted at least once per year. g. Inspection and maintenance records shall be maintained for a period of at least three years. h. Overflows and bypasses shall be reported to the appropriate Division regional office in accordance with 15A NCAC 2B .0506(a), and public notice shall be provided as required by North Carolina General Statute § 143-215.1C. 5. This permit shall become voidable if the soils fail to adequately assimilate the wastes and may be rescinded unless the facilities are installed, maintained, and operated in a manner which will protect the assigned water quality standards of the surface waters and ground waters. The ponding of wastewater on the surface of the distribution field when the dosing cycle commences shall be considered as evidence of failure of the soils to adequately assimilate the wastewater. Additionally, such failure shall be interpreted as a violation of this permit condition. 6\- 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. 7.\,j Adequate measures shall be taken to divert stormwater from the high rate infiltration area and to prevent wastewater runoff. 8. Diversion or bypassing; of the untreated wastewater from the treatment facilities is prohibited. 9\ ; The issuance of this permit shall not relieve the Permittee of the responsibility for damages to surface V or groundwaters resulting from the operation of this facility. 10. The following br 3 shall be maintained: a Nj 10 feet between high rate infiltration unit and any on -property residential units that are to be sold (e.g., condominiums, subdivisions), b.�-600 feet between high rate infiltration unit and any impounded public surface water supply or public shallow (less than 50 feet deep) ground water supply, dV00 feet between high rate infiltration unit and any private or public water supply source, � 200 feet between high rate infiltration unit and any streams classified as WS or B, e\,,, 200 feet from mean high water between high rate infiltration unit and any "SA" or "SB" classified Surface waters, f. 200 feet from nonnal� igh water between high rate infiltration unit and any other stream, canal, marsh, or coastal waters, g. 200 feet from normal high water between high rate infiltration unit and any Class I or Class II impounded reservoir used as a source of drinking water, h. 200 feet between high rate infiltration unit and any other Iake or impoundment, Sir feet between high rate infiltration unit and any Drainage systems (ditches, drains, surface water diversions, etc.) and from any groundwater Iowering a d surface drainage ditches, j. 50 feet between high rate infiltration unit and property lines,* k. 50 feet between treatment units and property lines, and*\f 1. 50 feet between high fate infiltration unit and public right of ways.*y *Except where a Buffer Waiver Form (BWF 09-02) has been properly recorded with the Register of Deeds. 11. A usable green area shall be maintained for wastewater disposal. The green area shall have the capability of accommodating the average daily flow of the facility being served without exceeding _ the loading rates of the green area. A "green area", as defined in 15A NCAC 2H .0404 (g)(7), is an area suitable for waste disposal, either in its natural state or which has been modified by planting a vegetative cover of grasses or low growing shrubbery. 12. The Association Bylaws shall include a statement referencing the funds that shall be set aside in the event the green area needs to be utilized. 13. The Association Bylaws shall be submitted with the Engineer's Certification of Completion prior to operation. 14. As a co-permittee, the Town of Atlantic Beach shall be fully responsible for the encroachment agreement with the North Carolina Department of Transportation in the event the green area is needed. This responsibility shall include full oversight of installation, operation and maintenance of the sewer line running from the wastewater treatment facility to the green area. II. OPERATION AND MAINTENANCE REQUIREMENTS C 1. The facilities shall be properly maintained and operated at all times. 2. Upon classification of the wastewater treatment and spray 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. 3. The application rates for the high rate infiltration system shall not exceed 124.1 inches over any twelve (12) month period at an instantaneous application rate not to exceed .34 inches per houuyr.. r \° 4. The facilities shall be .ectively maintained and'operated as a n Discharge system to prevent the discharge of any wastewater outside of the high rate infiltration disposal area, which result from the operation of this facility. S. No traffic or equipment shall be allowed o, the disposal area except while installation occurs or while non-nal maintenance is being performed. 1r U'� 6. The screenings removed from the wastewater treatment plant shall be properly disposed in a sanitary landfill or by other means that have been approved by this Division. 7. 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. Diffusers shall be cleaned as needed to ensure that adequate aeration is provided. Records of this maintenance shall be maintained by the Per mittee. III. MONITORING AND REPORTING REQUIREMENTS 4� Any monitoring 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 Perrnittee 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 \ i 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: Parameter Monthly Average a Daily Maximum e Flow 105,420 GPD BOD5 (5-day, 20°C) 10 mg/1 NH3 as N 4 mg/l NO3 10 mg/1 TSS 20 mg/I Fecal Colifonn 14 per 100 rrrl a '--->43 per 100 ml 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. 4 Daily maximu. call be the maximum value of all samples ,fected during the reporting period. The effluent from the subject facilities shall be monitored, by the Permittee, at the point prior to irrigation for the following parameters: Parameter Sampling Point Sampling Frequency Type of Sample Flow Influent or Effluent Continuous Recording BODS (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 S Effluent Daily Grab \ I Residual Chlorine Effluent Daily **Triannually Grab V NO3 Effluent 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 February, June and October. If Groundwater sampling indicates or predicts problems with compliance with of the Groundwater Standards, this permit will be modified to include additional and/or more restrictive limitations. 4. Three (3) copies of all monitoring data (as specified in condition 1112) on Form NDMR-1 and three \ (3) copies of all operation and disposal records (as specified in condition 111 4) on Form NDAR-2 ti shall be submitted on or before the last day of the following month. All information shall be submitted to the following address: Division of Water Quality Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 5. A record shall be maintained of all residuals removed from this facility. The record shall include the name of the hauler, the permit authorizing the disposal or a letter from a municipality agreeing to V accept the residuals, the date the residuals were hauled, and the volume of residuals removed. 6. A maintenance log shall be maintained at. this facility including, but not limited to, the following items: a. Daily sampling results including 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; and 5 Noncompliance Noti,. —tion: 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 clay 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 basin or tank, 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 renders 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 of all or any portion of the influent to such station or facility; or d. Any time that self -monitoring information indicates that the facility is not in 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 Well Construction / Abandonment Criteria: a. Prior to beginning waste disposal operations MW-1, MW-2 and MW-3 shall be installed to monitor groundwater quality. The weIl(s) 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 each well is marked on Figure 1. Each monitoring well shall be located at the Review boundary, constructed in accordance with this permit, and approved by the Wilmington Regional Office. \V` b. The well(s) roust 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 must be constructed according to the North Carolina Well Construction Standards (15A NCAC 2C .0108) and any local county rules. c. The Wilmington Regional Office, telephone number 1-910-395-3900, 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. d. Within thirty (30) days 4-completion of all well construction activities, a certification must be received from a professional engineer or a licensed geologist certifying that the monitoring well(s) are located according to this permit. e. Monitor well(s) MW-1, MW-2 and MW-3 shall be sampled initially after construction and prior to waste disposal operations, and thereafter every February, June and October for the parameters listed below. Chloride Fecal Coliform Nitrate -Nitrogen pH Total Arnmonia Nitrogen Total Dissolved Solids Total Organic Carbon Total Phosphorus Water Level 'rior to sampling the parameters, the measurement of water levels must be taken. The depth to :eater in each well shall be measured from the surveyed point on the top of the casing. The neasuring points (top of well casing) of all monitoring wells shall be surveyed relative to a ;ommon datum. or Total Organic Carbon (TOC), if concentrations greater than 10 mg/1 are detected in any sown -gradient monitoring well, additional sampling and analysis must be conducted to identify ;he individual constituents comprising this TOC concentration. If the TOC concentration as neasured in the background jponitor well exceeds 10 mg/l, this concentration will be taken to -epresent the naturally occurring TOC concentration. Any exceedances of this naturally occurring rOC concentration in the down -gradient wells shall be subject to the additional sampling and ralysis as described above. For Volatile Organic Compounds (VOCs) sampled in October, use only one of the following methods: I . Standard Method 62301), Practical Quantitation Limit (PQL) at 0.5 ug/L or less 2. Standard Method 6210, PQL at 0.5 ug/L or less 3. EPA Method 8021, Low Concentration, PQL at 0.5 ug/L or Iess 4. EPA Method 8260, Low Concentration, PQL at 0.5 ug/L or less 5. Another method with prior approval by the Groundwater Section Chief. z_ % 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 ('> ug/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. Any laboratory selected to analyze parameters must be Division of Water Quality (DWQ) certified for those parameters required. 2. Reporting / Documentation: All reports and documentation (GW-1, GW-30, GW-59) shall be mailed to the following address: V. Division of Water Quality Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Updated blank forms (GW-1, GW-30, GW-59) may be downloaded from the Groundwater Section's website at http:Hgw.ehnr.state.nc.us/ or requested from the address mentioned above. For the initial samplh-_ of the well(s), the permittee shall subm, copy of the GW-1 Form (Well Construction Record) with the Compliance Monitoring Form (GW-59) for each well to the address listed in the "Reporting I 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. 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 I 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. Within sixty (60) days of completion of all monitoring well(s), the perrnittee shall submit two original copies of a scaled site map (scale no greater than I "=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 each monitoring well. 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 / Documentation" above. The permittee is responsible for the geographic accuracy of any wrap submitted, howeverpr•oduced. 3. 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. 4. Applicable Boundaries: The COMPLIANCE BOUNDARY and REVIEW BOUNDARY for the waste disposal area(s) is specified by regulations in 15A NCAC 2H, Waste Not Discharged to Surface Waters, specifically _0219(k)(1)(C)(i)(I1l). The Compliance Boundary and the Review Boundary for groundwater shall be established at the property boundary. An exceedance of Groundwater Quality Standards at or beyond the Compliance Boundary is subject to immediate remediation action according to 15A NCAC 2L .0106(d)(2). 5. 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 Pernzittce 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 maintain an inspection log or summary including at least the date and time of inspection, observations made, \ p and any maintenance, repairs, or corrective actions taken by the Permittee. This log of inspections V shall be maintained by the Permittee for a period of three years from the date of the inspection and shall be made available to the Division or other permitting authority, upon request. 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 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 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 V may or may not be approved. 4. The subject wastewater treatment and disposal facilities shall be connected to an operational publicly owned wastewater collection system within 180 days of its availability to the subject facilities, if the subject wastewater treatment or disposal facilities are in noncompliance with the terms and conditions of this non -discharge permit or the governing statutes or regulations. Prior to the initiation of these connection activities, appropriate approval must be received from this Division. 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). 6. 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. 7. The issuance of this p. _,it does not exempt the Ternnittee from c dlying 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 for the life of this project. 9. The Perrnittee, 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 Yd day of May 2006. AL MANAGEMENT COMMISSION Alan W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0024756 E Permit No. WQ0024756 May 3, 2006 ENGINEER'S CERTIFICATION Partial Final 1, , 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 and County for the Perrnittee 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. Signature Date Registration No. 11 The Grave Atlantic Beach, Carteret County WQ0024756 _ f Crrr:•. � +s9-_rr»J�'4,M 4:'`' -w W.�.-.8 t .8 i _ %�., Approximate location :; of WWTP L� I cm ,'. ,{y,...r ..+•s.. "-,' � ..,� . ... Via; �€; , �.,.. � +'" ropset . '�- Wei ".(`' ±: Pr ased MW-I Approximate location of Drip Field rn�y���-rr;3.�iia r• ": - 600 300 0 600 Feet GGK Jan05 r The Grove - WWTP Site, Atlantic Beach, NC JOUTIll!,A MIM(AJ-)L)hNL)UM13) / I ` .i . 1. ! . • ! f � 1Y t� �t :r disposal area . (24,000 sq.ff.) T.. -- E LEGEND i 50... 0 - 50-- - 100 Fee - property boundary IH = Inn ft MODFLOW-predicted mounded water table surface (CI=0.2 ft) - C Addendum B. MODFLOW-predicted mounded water table surface above Environmental, Inc- ambient Conditions under steady-state conditions Q@ 5.0 gpd/sq