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HomeMy WebLinkAboutWQ0023634_Final Permit_20090313A� 4FA NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Coleen H, Sullins Dee Freeman Governor Director Secretary March 13, 2009 Paul J. Brignet, Jr., Vice President Waterside Villages, LLC Real Estate Special Assets, Wachovia Bank 225 Water Street, P Floor, FL0061 Jacksonville, Florida 32202 Dear Mr. Brignet; Subject: Permit No. WQ0023634 Waterside Villages of Currituck Wastewater Surface Irrigation Currituck County In accordance with your request for permit renewal and change of name (to reflect a new owner) received January 12, 2009, we are forwarding herewith Permit No. WQ0023634, dated March 13, 2009, to Waterside Villages, LLC for the continued operation of the subject wastewater treatment and surface irrigation facilities. The ownership of this facility was transferred from VOC, LLC to Waterside Villages, LLC on June 30, 2008 as part of a foreclosure proceeding. This permit shall be effective from the date of issuance until February 28, 2014, shall void Permit No. WQ0023634 issued December 29, 2005, 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. Please note that the permit requires the temporary abandonment of monitoring wells MW-1, MW- 2, MW-3, and MW-4 within sixty days of permit issuance, as well as the permanent abandonment of monitoring wells MW-5, MW-6, MW-7, , MW-8 and MW-9, along with Piezometers P-1 and P-2. Five new groundwater monitoring wells (MW-10, MW-11, MW-12, MW-13, and MW-14) are to be installed to replace those wells which are to be permanently abandoned. The underdrain system is to be sampled three times a year at the second manhole back from Currituck Sound and analyzed for Nitrate Nitrogen, Total Ammonia Nitrogen, Total Phosphorous, pK Fecal Coliform, Iron and Manganese. New limits have been placed on the monthly average effluent concentrations for Ammonia Nitrogen and Total Nitrogen, as indicated in Attachment A. AQUIFER PROTECTION SECTION 1636 Mail Service Center, Raleigh, North Carolina 27699-1636 Location; 2728 Capital Boulevard, Rale6 h, North Carolina 27604 Phone: 919-733-32211 FAX 1: 919-71 M588; FAX 2: 919 715-60481 Customer Service: 9-877-623-6748 One Internet: www.nrwaterguality.org NofthCairolin . An Equal Opportunity 1 Affirmative Aclion Employer Natwullff Please also note that on September 1, 2006 State Administrative Code 15A NCAC Subchapter 02T — Waste not Discharged to Surface Water was adopted. This permit incorporates the requirement of these rules. Remember to take the time to review this permit thoroughly, as some of the conditions contained therein may have been added, changed, or deleted from those in previously issued permits. 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 David Goodrich at (919) 715-6162 or david.goodrich@ncmail.net. Sincerely, loro een H. Sullins cc: Currituck County Health Department Washington Regional Office, Aquifer Protection Section Charlotte A. Mitchell, K & L Gates, LLP, Post Office Box 17047, Raleigh, NC 27619-7047 Technical Assistance and Certification Unit APS Central Files 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 Waterside Villages, LLC Currituck County FOR THE continued operation of a 120,000 gallon per day (GPD) surface irrigation treatment and disposal facility consisting of a flow splitter box, one manually cleaned bar screen, four flow equalization tanks totaling 40,000 gallons, two 83.3 GPM pumps, ten coarse bubble aeration basins totaling 93,125 gallons, six 4,162 gallon clarifiers, three 10,000 gallon aerated sludge holding tanks, three 108 square foot fixed media filters, UV disinfection, an 8,000 gallon dosing tank, two 210 GPM pumps, one 85,502 square foot spray bed surrounded by a 6 inch berm, 268,928 square feet of "green area", a 50 kw diesel standby generator with automatic transfer switch, a groundwater lowering drain surrounding all sides of the application area and discharging to Currituck Sound to serve Waterside Villages of Currituck, with no discharge of wastes to the surface waters, pursuant to the application received January 12, 2009, and subsequent additional information received by the Division of Water Quality (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 February 28, 2014, shall void Permit No. WQ0023634 issued December 29, 2005, and shall be subject to the following specified conditions and limitations: I. SCHEDULES [please review the entire permit for reporting, monitoring, and other on -going activities] Monitoring wells MW-10, MW-11, MW-12, MW-13, and MW-14 shall be approved by the Washington Regional Office, telephone number (2S2) 946-6481 prior to installation and installed within sixty (60) days of permit issuance. The regional office shall be notified at least forty-eight (48) hours prior to (excluding weekends and holidays) the construction. of any monitoring well. Such notification to the regional Aquifer Protection 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. The well(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 and in accordance with 1 SA NCAC 02C .0108. The general location and name for each well is marked on Figure 3. See also well construction form submittal requirements in Section IV, of this permit. WQ0023634 Version 2.0 Shell Version 090109 Page 1 of 8 2. Within sixty (60) days of completion of all monitoring well(s), 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: a. The location and identity of each monitoring well. b. The location of major components of the waste disposal system. c. The location of property boundaries within 500 feet of the disposal area(s). d. The latitude and longitude of the established horizontal control monument. e. The elevation of the top of the well casing (which shall be known as the "measuring point") relative to a common datum. f. The depth of water below the measuring point at the time the measuring point is established. g. The location of review and compliance boundaries. I 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. The maps and any supporting documentation shall be sent to the N.C. Division of Water Quality, Aquifer Protection Section, 1636 Mail Service Center, Raleigh, N.C. 27699-1636. The permittee is responsible for the geographic accuracy of any map submitted, however produced. 3. Within sixty (60) days of permit issuance, monitor well(s) MW-1, MW-2, MW-3, and MW-4 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 02C .0108(c)(7)]. The well(s) shall be further secured by placing a compatible watertight cap or seal onto the riser pipe to prevent potential contamination from entering the well(s). 4. Within sixty (60) days of permit issuance, monitor well(s) MW-5, MW-6, MW-7, MW-8, MW-9, and Piezometers P-1 and P-2 shall be permanently abandoned. Within thirty (30) days of abandonment, a Well Abandonment Record (GW-30 form) that lists this permit number and the appropriate monitoring well identification number shall be completed for each well abandoned and mailed to N.C. Division of Water Quality, Aquifer Protection Section, 1636 Mail Service Center, Raleigh, N.C. 27699-1636. The well(s) must be abandoned by a North Carolina Certified Well Contractor according to the North Carolina Well Construction Standards (15A NCAC 02C .0113) and local county rules. 5. No later than six months prior to the expiration of this permit, the Permittee shall request renewal of this permit on official Division forms. Upon receipt of the request, the Division will review the adequacy of the facilities described therein, and if warranted, will renew the permit for such period of time and under such conditions and limitations as it may deem appropriate. Please note that Rule 15A NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal application. 6. 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. IL PERFORMANCE STANDARDS 1. 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 contravention of groundwater or surface water standards. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions due to improper operation and maintenance, 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, such as the construction of additional or replacement wastewater treatment and disposal facilities. WQ0023634 Version 2.0 Shell Version 090109 Page 2 of 8 2. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to ground or surface waters resulting from the operation of this facility. 3. All wells that are constructed for purposes of groundwater monitoring shall be constructed in accordance with 15A NCAC 02C .0108 (Standards of Construction for Wells Other than Water Supply) and any other state and local laws and regulations pertaining to well construction. 4. Effluent limitations shall not exceed those specified in Attachment A. 5. Application rate(s), whether hydraulic, nutrient, or other pollutant shall not exceed those specified in Attachment B . 6. The compliance boundary for the disposal system is specified by rules in 15A NCAC 02L, Groundwater Classifications and Standards. This disposal system was individually permitted on or after December 30, 1983; therefore, the compliance boundary 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 standards at or beyond the compliance boundary is subject to remediation action according to 15A NCAC 02L .0106(d)(2) as well as enforcement actions in accordance with North Carolina General Statute 143-215.6A through 143-215.6C. 7. The Permittee shall apply for a permit modification prior to any sale or transfer of property that affects a compliance boundary to establish a new compliance boundary. 8. In accordance with 15A NCAC 02L .0107(d), no wells, other than monitoring wells, shall be constructed within the compliance boundary except as provided by 15A NCAC 02L .0107(g). 9. 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 02L .0106. 10. The facilities permitted herein must be constructed according to the following setbacks: a. The setbacks for Irrigation sites shall be as follows (all distances in feet): i. Any habitable residence or place of public assembly under separate ownership: 100' ii. Any habitable residence or place of public assembly owned by the permittee: 200 iii. Any private or public water supply source: 100 iv. Drainage ways or surface water bodies: 1002 v. Groundwater lowering ditches: 100 vi. Surface water diversions: 25 vii. Any well with exception of monitoring wells: 100 viii.Any property line: 50 ix. Top of slope of embankments or cuts of two feet or more in vertical height: 15 x. Any water line from a disposal system: 10 xi. Subsurface groundwater lowering drainage systems: 100 xii. Any swimming pool: 100 xiii.Public right of way: 50 xiv. Nitrification field: 20 xv. Any building foundation or basement: 15 WQ0023634 Version 2.0 Shell Version 090109 Page.3 of 8 ' Except where an easement is provided to the Property owners Association. for the tennis court at the southeast corner of the wastewater site. 2 Except for the groundwater lowering device already in place approximately 40 feet from the wastewater site. b. The setbacks for Treatment and storage units shall be as follows (all distances in feet): i. Any habitable residence or place of public assembly under separate ownership: 100 ii. Any private or public water supply source: 100 iii. Surface waters: 50 iv. Any well with exception of monitoring wells: 100 v. Any property line: 50 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 02H .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. III. OPERATION AND MAINTENANCE REQUIREMENTS 1. The facilities shall be properly maintained and operated at all times. 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. The Permittee shall maintain an Operation and Maintenance Plan pursuant to 15A NCAC 02T .0507 including operational functions, maintenance schedules, safety measures, and a spill response plan. 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 08G .0200. The ORC shall visit the facilities in accordance with 15A NCAC 0 9 G .0200 or as specified in this permit and shall comply with all other conditions specified in these rules. 3. A suitable year round vegetative cover shall be maintained such that crop health is optimized, allows for even distribution of effluent, and allows inspection of the irrigation system. 4. Adequate measures shall be taken to prevent wastewater ponding or runoff from the irrigation field. At a minimum, a six (6) inch berm shall be maintained around the spray field, outside the wetted area and as close as possible to the perimeter fence. 5. Irrigation shall not be performed during inclement weather or when the ground is in a condition that will cause ponding or runoff. 6. All waste application equipment must be tested and calibrated at least once per permit cycle. Records of the calibration must be maintained for five years. 7. No type of wastewater other than that from Waterside Villages of Currituck and Walnut Island Sanitary District (if acquired by Waterside Villages of Currituck) shall be irrigated onto the irrigation area. 8. An automatically activated standby power source shall be on site and operational at all times capable of powering all essential treatment units. If a generator is employed as an alternate power supply, it shall be tested weekly by interrupting the primary power source. WQ0023634 Version 2.0 Shell Version 090109 Page 4 of 8 9. No traffic or equipment shall be allowed on the disposal area except while installation occurs or while normal maintenance is being performed. 10. 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. 11. The residuals generated from these treatment facilities must be disposed / utilized in accordance with 15A NCAC 02T .1100. The Permittee shall maintain a residual management plan pursuant to 15A NCAC 02T .0508. 12. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited. IV. MONITORING AND REPORTING REQUIREMENTS Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed necessary by the Division to ensure surface and ground water protection will be established and an acceptable sampling reporting schedule shall be followed. 2. All laboratory analyses for effluent, ground waters, or surface waters shall be made by a laboratory certified by the Division for the required parameter(s) under 15A NCAC 02H .0800. 3. Flow through the treatment facility shall be continuously monitored and daily flow values shall be reported on Form NDMR. The Permittee shall install and maintain an appropriate flow measurement device consistent with approved engineering and scientific practices to ensure the accuracy and reliability of 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. The Permittee shall keep records of flow measurement device calibration on file 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, and c. Percent from true flow. 4. The effluent and underdrain system from the subject facilities shall be monitored by the Permittee at the frequency(ies) and location(s) for the parameter(s) specified in Attachment A. 5. The Permittee tracking the amount of wastewater disposed shall maintain adequate records. 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. Continuous monthly and year-to-date loadings for any non -hydraulic parameter specifically limited in Attachment B for each field, g. Weather conditions, and h. Maintenance of cover crops. WQ0023634 Version 2.0 Shell Version 090109 Page 5 of 8 6. 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. 7. A maintenance log shall be maintained at this facility including but not limited to the following items: a. Visual observations of the plant and plant site. b. Record of preventative maintenance (changing of filters, adjusting belt tensions, alarm testing, diffuser inspections and cleanings, etc.). c. Date of calibration of flow measurement device. d. Date and results of power interruption testing on alternate power supply. 8. Monitor wells shall be sampled at the frequencies and for the parameters specified in Attachment C. All mWping, well construction forms well abandonment forms and monitorin data shall refer to the permit number and the well nomenclature as provided in Attachment C and Fi e 3. 9. For the initial sampling of new wells MW-10, MW-11, MW-12, MW-13 and MW-14, as specified elsewhere in the permit, the permittee shall submit a copy of the GW-1 Form (Well Construction Record) that lists this permit number and the appropriate monitoring well identification number with the Compliance Monitoring Form (GW-59) for that well. Initial Compliance Monitoring Forms that do not include copies of the GW-1 form are incomplete and may be returned to the permittee without being processed. 10. Two (2) copies of the results of the sampling and analysis must be received on Form GW-59 (Groundwater Quality Monitoring: Compliance Report Form), along with attached copies of laboratory analyses, by the Division of Water Quality, Information Processing Unit, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 on or before the last working day of the month following the sampling month. Form GW-59 shall include the number of this permit and the appropriate well identification number. One Form GW-59a certification form shall be provided for each set of sampling results submitted. 11. Three (3) copies of all monitoring data [as specified in Conditions IV. 3. and N. 4.1 on Form NDMR for each PPI and three (3) copies of all operation and disposal records [as specified in Conditions IV. 5 and IV. 6.] on Form NDAR-1 for every field shall be submitted on or before the last day of the following month. If no activities occurred during the monitoring month, monitoring reports are still required documenting the absence of the activity. 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 12. An annual representative 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 Manganese Potassium Calcium Percent Humic Matter Sodium Copper pH Zinc Magnesium Base Saturation (by calculation) Phosphorus Cation Exchange Capacity Exchangeable Sodium Percentage WQ0023634 Version 2.0 Shell Version 090109 Page 6 of 8 13. 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 including ponding in the irrigation field or runoff from the irrigation fields. 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 disposal system resulting in a by-pass directly to receiving waters. d. Any time that self -monitoring information indicates that the facility has gone out of compliance with its permit limitations including, but not limited to, freeboard measurements, effluent limitations, exceedances of groundwater standards, or overloading of any field. For any emergency that requires immediate reporting (e.g., discharges to surface waters, imminent failure of a storage structure, etc.) outside normal business hours must 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. V. INSPECTIONS 1. Adequate inspection and maintenance shall be provided by the Permittee to ensure 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 five 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 1. Failure to abide by the conditions and limitations contained in this permit may subject the Penmittee to an enforcement action by the Division in accordance with North Carolina General Statute 143- 215.6A to 143-215.6C. 2. 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. WQ0023634 Version 2.0 Shell Version 090109 Page 7 of 8 3. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. No variances to applicable rules governing the construction and / or operation of the permitted facilities are granted unless specifically requested and granted in this permit. 4. 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) that have jurisdiction. Of particular concern to the Division are applicable river buffer rules in 15A NCAC 02B .0200, erosion and sedimentation control requirements in 15A NCAC Chapter 4 and under the Division's General Permit NCGO10000, and any requirements pertaining to wetlands under 15A NCAC 02B .0200 and 02H .0500. 5. 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 on official Division form(s), 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. The Permittee of record shall remain fully responsible for compliance until a permit is issued to the new owner. 6. The Permittee shall retain a set of approved plans and specifications for the life of the facilities permitted herein. 7. The Permittee shall maintain this permit until all permitted facilities herein are properly closed or permitted under another permit issued by the appropriate permitting authority. 8. The Permittee must pay the annual fee within Failure to pay the fee accordingly may cause pursuant to 15A NCAC 02T .0105(e). Permit issued this the 13th of March, 2009 thirty (30) days after being billed by the Division. the Division to initiate action to revoke this permit NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION r Co n H. Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0023634 WQ0023634 Version 2.0 Shell Version 090109 Page 8 of 8 ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS Permit Number: WQ0023634 Version: 2.0 PPI 002 — WWTF Effluent EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Monthly Average Weekly Average Daily Maximum Measurement Frequency Sample Type Flow, in conduit or thru treatment plant — 50050 120,000 gpd Continuous Recorder Chloride (as Cl) — 00940 3 X year Composite Nitrogen, Nitrate Total (as N) — 00620 2 X month Composite Nitrogen, Total (as N) — 00600 10' mg/l 2 X month Composite Nitrogen, Ammonia Total (as N) — 00610 42 mg/1 2 X month Composite Solids, Total Dissolved — 70295 3 X year Composite BOD, 5-Day (20 Deg. C) — 00310 10 mg/l 2 X month Composite Solids, Total Suspended — 00530 20 mg/1 2 X month Composite Coliform, Fecal MF, M-FC Broth,44.5 C — 31616 14 #/100 ml 2 X month Grab pH — 00400 6.0 — 9.0 su 5 X week Grab 1. The monthly average concentration of Total Nitrogen shall not exceed 2.5 pounds per day when the average flow is less than 10,000 gallons per day. Once the average flow of 10,000 gallons per day is reached and maintained, the effluent concentration limit of 10 mg/l shall apply. 2. The monthly average concentration of Total Ammonia Nitrogen shall not exceed 1.0 pound per day when the average flow is less than 10,000 gallons per day. Once the average flow of 10,000 gallons per day is reached and maintained, the effluent concentration limit of 4 mg/1 shall apply. WQ0023634 Version 2.0 Attachment A Page 1 of 2 PPI 003 — Underdrain System from Second Manhole back from Currituck Sound EFFLUENT CHARACTERISTICS EIS FLUENTLIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Monthly Average Weekly Average Daily Maximum Measurement Frequency Sample Type Nitrogen, Nitrate Total (as N) — 00620 3 X year Grab Nitrogen, Ammonia Total (as N) -- 00610 3 X year Grab Phosphorous, Total (as P) — 00665 3 X year Grab Iron, Total (as Fe) — 01045 3 X year Grab Manganese, Total (as Mn) — 01055 3 X year Grab Coliform, Fecal MF, M-FC Broth,44.5 C 31616 3 X year Grab pH — 00400 3 X year Grab 3 X year monitoring shall be conducted in May, August & December. PPI 004 — Ground Water Lowering Device Effluent Prior to Discharge EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Monthly Average Weekly Average Daily Maximum Measurement Frequency Sample Type Coliform, Fecal MF, M-FC Broth,44.5 C — 31616 Monthly Grab pH — 00400 Monthly Grab Nitrogen, Total (as N) — 00600 Monthly Grab WQ0023634 Version 2.0 Attachment A Page 1 of 2 ATTACHMENT B - APPROVED LAND APPLICATION SITES AND LIMITATIONS Permit Number: WQ0023634 Version: 2.0 Waterside Villages, LLC— Waterside Villages of Currituck Wastewater Surface Irrigation System UTILIZATION AREA INFORMATION APPLICATION LIMITATIONS Field/ Basin Owner County Latitude Longitude Net Acreage Dominant Soil Series Parameter Rate Yearly Max Units 1/2 Waterside Villages, LLC Currituck 36°13'53" 75°52'15" 0.22 Conetoe 01294— Application Surface Irrigation 1.4 gpd/sf Total 0.22 WQ0023634 Version 2.0 Attachment B Page 1 of 1 ATTACHMENT C — GROUNDWATER MONITORING AND LIMITATIONS Monitoring wells: MW-10, MW-11, MW-12, MW-13 & MW-14 Permit Number: WQ0023634 Version: 2.0 GROUNDWATER CHARACTERISTICS GROUNDWATER STANDARDS MONITORING REQUIREMENTS Parameter Description - Parameter Code Daily Maximum Frequency Measurement Sample Type Footnotes Water Level, distance from measuring point — 82546 3 X year Calculated a, b, c & g pH — 00400 6.5 — 8.5 su 3 X year Grab A & g Coliform, Fecal MF, M-FC Sroth,44.5C — 31616 3 X year Grab A & g Solids, Total Dissolved- 180 Deg C — 70300 Soo mg/l 3 X year Grab A & g Carbon, Total Organic (TOC) — 00680 3 X year Grab a, f & g Chloride (as Cl) — 00940 250 mg/l 3 X year Grab A & g Nitrogen, Ammonia Total (as N) -- 00610 3 X year Grab A & g Nitrogen, Nitrate Total (as N) — 00620 10 mg/l 3 X year Grab A & g Phosphorus, Total (as P) — 00665 3 X year Grab A & g Volatile Compounds (GC/MS) — 78732 Annually Grab a, d & e a. 3 X year monitoring shall be conducted in May, August & December; Annual monitoring shall be conducted every December. b. The measurement of water levels shall be made prior to purging the wells. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The measurement of pH shall be made after purging and prior to sampling for the remaining parameters. c_ 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. The measuring points (top of casing) of all monitoring wells shall be surveyed relative to a common datum. d. Volatile Organic Compounds (VOC) - In December only, analyze by one of the following methods: I. Standard Method 6230D, PQL at 0.5 pg/L or less 2. Standard Method 621OD, PQL at 0.5 µg/L or less 3. EPA Method 8021, Low Concentration, PQL at 0.5 pg/L or less 4. EPA Method 8260, Low Concentration, PQL at 0.5 pg/L or less 5. Another method with prior approval by the Aquifer Protection Section Chief Any method used must meet the following qualifications: a. A laboratory roust be DWQ certified to run any method used. b. The method used must, at a minimum, include all the constituents listed in Table Vlll of Standard Method 6230D. c. The method used must provide a PQL of 0.5 pg/L or less that must be supported by laboratory proficiency studies as required by the DWQ Laboratory Certification Unit. Any constituents detected above the MILL but below ttie PQL of 0.5 pg/L must be qualified (estimated) and reported_ e. If any volatile organic compounds (VOC) are detected as a result of monitoring as provided in Attachment C, then the Washington Regional Office Aquifer Protection Supervisor, telephone number (252) 946-6481, must be contacted immediately for further instructions regarding any additional follow-up analyses required. WQ0023634 Version 2.0 Attachment C Page I of 2 f. 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. If the TOC concentration as measured in the background monitor well exceeds 10 mg/l, this concentration will be taken to represent the naturally occurring TOC concentration. Any exceedances of this naturally occurring TOC concentration in the downgradient welts shall be subject to the additional sampling and analysis as described above. g. Monitoring wells shall be reported consistent with the nomenclature and location information provided in Figure 3 and this attachment. 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