Loading...
HomeMy WebLinkAboutWQ0000485_Final Permit_20011016State of North Carolina Department of Environment and Natural Resources Division of Water Quality Michael F. Easley, Governor William G. Ross Jr., Secretary Gregory J. Thorpe, Ph.D., Acting Director October 16, 2001 Michael A. Smith, Vice President Valley Proteins, Inc. PO Box 3588 Winchester VA 22604 I ilkvr r__W NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Subject: Permit No. WQ0000485 Carolina By -Products - Rose Hill Division Wastewater Spray Irrigation Duplin County Dear Mr. Smith: In accordance with your permit modification request received, we are forwarding herewith Permit No. WQ0000485, dated October 16, 2001, to Valley Proteins, Inc. for the continued operation of the subject wastewater treatment and spray irrigation facilities. This permit modification corrects some information regarding a polymer mix tank and pump and lime slurry system, as well as cropping information. This permit shall be effective from the date of issuance until April 30, 2006, shall void Permit No. WQ0000485 issued May 2, 2001, and shall be subject to the conditions and limitations as specified therein. Please pay particular attention to the monitoring requirements in this permit. Failure to establish an adequate system for collecting and maintaining the required operational information will result in future compliance problems. Please note due to winter storage needs that there must be a high level of effluent storage management at this facility. 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. One set of approved plans and specifications is being forwarded to you. If you need additional information concerning this matter, please contact Sue Homewood at (919 33-5083 extension 502. Since y, i' Gregory J. Thorpe, Ph.D. cc: Duplin County Health Department Wilmington Regional Office, Water Quality Section Wilmington Regional Office, Groundwater Section Groundwater Section, Central Office Reid Engineering Co., Inc. Technical Assistance and Certification Unit Non -Discharge Compliance/Enforcement Unit 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone (919) 733-5083 Fax (919) 715-6048 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT 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 Valley Proteins, Inc. Duplin County • ; WE operation of a 300,000 -GPD wastewater treatment and disposal facility with 138,000 GPD disposed by spray irrigation and an additional 162,000 GPD evaporated in a cooling tower and recycled back into the facility. The existing 243,000 -GPD wastewater treatment facility consists of a raw wastewater collection pump station, a scre, _ surge tank, a Sweco mechanically -cleaned bar screen, a screen effluent wet well and a dissolved air flotation (DAF) cell influent pump station, a DAF cell with an effluent pump station, a 3.5 -million -gallon, seven-day aerated flow equalization lagoon (Lagoon No. 1) with four 20 -HP surface aerators, four 30 -HP surface aerators, and three 15 -HP surface aerators, a 200 -GPM flow equalization pump station with dual pumps, force main, and flow meter, a 1.67 - million -gallon, completely -mixed activated sludge (CMAS) basin with two 50 -HP jet aerator manifolds and two 200 - HP centrifugal compressors, one 500 -gallon polymer flocculent solution mix storage tanks with a 1 -HP tank mixer and one polymer solution pump, a flotation clarifier with dual 75 -GPM recycle pressure pumps and a magnetic flow meter, sludge collection tank with dual 30 -GPM progressive cavity sludge return pumps, a 1.3 -million -gallon waste sludge aerobic digester with a 60 -HP aerator and chemical feed equipment consisting of a a 4,000 gallon magnesium hydroxide tank with mixer and pump, an effluent flow meter, a 146 -GPM clarifier effluent pump station with dual pumps, two 2.8 -acre unlined, non-aerated lagoons, a 7.2-million=gallon recirculation lagoon, and a gaseous chlorine chemical feed system. The 13 8, 000 GPD spray irrigation disposal system consists of .the operation of a spray irrigation pump station with an existing 650 -GPM pump, four existing spray irrigation fields (Fields #1, 2, 3, and 5) and four previously permitted spray irrigation fields (Field #6, #7,48 and #9) totaling 70.44 acres. The wastewater treatment and spray irrigation disposal system will serve the Carolina By -Product, Inc. -- Rose Hill Division, with no discharge of wastes to the surface waters, pursuant to the modification request June 14, 2000, and the supplemental material received, and in conformity with the project plan, specifications, and other supporting data subsequently filed and approved by the Department of Environment and Natural Resources and considered a part of this permit. This permit shall be effective from the date of issuance until April 30, 2006, shall void Permit No. WQ000048. issued May 2, 2001, and shall be subject to the following specified conditions and limitations: I. PERFORMANCE STANDARDS 1 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 Water Quality (Division), such as the construction of additional or replacement wastewater treatment and disposal facilities. 2. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to surface or groundwaters resulting from the operation of this facility. 3. The residuals generated from these treatment facilities must be disposed in accordance with General Statute 143-215.1 and in a manner approved by the Division. 4. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited. 5. The following buffers shall be maintained: a) 400 feet between wetted area and any residence or places of public assembly under separate ownership, b) 150 feet between wetted area and property lines, c) 100 feet between wetted area and wells, d) 100 feet between wetted area and drainageways or surface water bodies, e) 50 feet between wetted area and public right of ways, f) 100 feet between wastewater treatment units and wells, and g) 50 feet between wastewater treatment units and property lines. Some of the buffers specified above may not have been included in previous permits for this waste treatment and disposal system. These buffers are not intended to prohibit or prevent modifications, which are required by the Division, to improve performance of the existing treatment facility. These buffers do, however, apply to modifications of the treatment and disposal facilities which are for the purpose of increasing the flow that is tributary to the facility. These buffers do apply to any expansion or modification of the spray irrigation areas and apply in instances in which the sale of property would cause any of the buffers now complied with, for the treatment and disposal facilities, to be violated. The applicant is advised that any modifications to the existing facilities will require a permit modification. II. OPERATION AND MAINTENANCE REQUIREMENTS The facilities shall be properly maintained and operated at all times. 2. Upon classification of the facility by the Water Pollution Control System Operators Certification Commission (WPCSOCC), 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 WPCSOCC. The Permittee must also employ a certified back-up operator of the appropriate type and grade to comply with the conditions of 15A NCAC 8G .0202. The ORC of the facility must visit each Class I facility at least weekly and each Class 11, III, and IV facility at least daily, excluding week=ends and holidays, and must properly manage and document daily operation and maintenance of the facility and must comply with all other conditions of 15A NCAC 8G .0202. 3. A suitable vegetative cover of coastal bermuda and winter rye shall be maintained on all irrigation fields. 2 4. Irrigation shall not be performed during inclement weather or when the around 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 the following: a. An instantaneous application rate of 0.2 inches per hour. b. A maximum nitrogen loading of 350 pounds of Plant Available Nitrogen (PAN) per acre per year for fields containing coastal Bermuda grass (300 lbs./acre PAN) overseeded with winter rye (50 lbs./acre PAN) and a maximum nitrogen loading of 250 pounds of PAN per acre per year for fields containing corn (silage) (150 lbs./acre) overseeded with winter rye (100 lbs./acre). If any other crops are to be grown on the subject irrigation fields, a crop management paln outlined by the local Extension Office, the Department of Agriculture, the Natural Resource Conservation Service, or other agronomist should be maintained and PAN loading rates shall not exceed the realistic yield expectation for those crops. c. The following cumulative hydraulic loadings should not be exceeded for the appropriate spray irrigation field over any twelve-month period: Cumulative Loadings Field # Acres (inches per twelve month period} 1 6.84 26.0 2 3.59 26.0 3 8.44 36.4 5 13.83 46.8 6 12.9 31.2 7 5.86 65.0 8 7.55 65.0 9 11.43 31.2 8. No type of wastewater other than that from Carolina By -Products - Rose Hill Division shall be sprayed onto the irrigation area. 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. Freeboard in all treatment and storage Iagoons shall not be less than two feet at any time III. MONITORING AND REPORTING REQUIREMENTS 1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed necessary by the Division to insure surface and ground water protection will be established and an acceptable sampling reporting schedule shall be followed. 2. 3. .19 5. Adequate records shall be maintained by the Permittee tracking the amount of wastewater disposed. These records shall include, but are not necessarily limited to, the following information: a. date of irrigation, b. volume of wastewater irrigated, c. field irrigated, d. length of time field is irrigated, e. continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings and nitrogen (lbs. PAN/acre) loadings for each field, f. weather conditions, g. maintenance of cover crops and activities on the fields (mowing, scarifying, etc.), h. abnormalities for each field (e.g., ponding, runoff, etc.), i. collection of samples (wastewater and/or surface water) for analysis, j. any maintenance performed on the wastewater treatment and/or irrigation system, and k. the solids level within each lagoon shall be measured and recorded annually. The effluent from the subject facilities shall be monitored by the Permittee at the point prior to irrigation every March, July, and November for the following parameters: Ammonia (NH3 as N) pH BODS Plant Available Nitrogen (PAN) (by calculation) Calcium Sodium Chloroform Sodium Adsorption Ratio (SAR) (by calculation) Fecal Coliform TKN Magnesium Total Organic Carbon (TOC) Nitrate (NO3 as N) Total Suspended Solids (TSS) Samples shall be collected monthly from the surface waters at the four locations previously identified as VP -1, VP -2, VP -3, and VP -4 and analyzed by a certified Iaboratory for the following parameters: Ammonia (NH3 as N) Fecal Coliform Nitrate (NO3 as N) Total Organic Carbon (TOC) TKN Influent flow shall be continuously monitored and daily flow values shall be reported on Form NDMR. The Permittee shall install an appropriate flow measurement device consistent with approved engineering and scientific practices to ensure the accuracy and reliability of influent flow measurement. Flow measurement devices selected shall be capable of measuring flows with a maximum deviation of less than 10 percent from true flow, accurately calibrated at a minimum of once per year, aind 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 6. A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted on each spray field and the results maintained on file by the Permittee for a minimum of five years. The Standard S 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 Phosphorus Cation Exchange Capacity Base Saturation (by calculation) The exchangeable sodium percentage (ESP) shall be monitored on tate spray irrigation sites using the results from the annual soils analysis. The local Extension Office, the Department of Agriculture, the Natural Resource Conservation Service or a North Carolina Licensed Soil Scientist will review the results and make recommendations to adjust the spray irrigation fields as necessary to ensure they continue to function properly. Three (3) copies of all operation and disposal records (as specified in condition 11I 2) on Form NDAR-1 and three (3) copies of all effluent monitoring data (as specified in condition 1113) on Form NDMR-1 shall be submitted on or before the last day of the following month. All information shall be submitted to the following address: NC Division of Water Quality Water Quality Section Non -Discharge Compliance/Enforcement Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 9. 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 Iine, 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 Ietter 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. N. GROUNDWATER REQUIREMENTS I Within 90 days of permit issuance, one monitor well designated MW -13 shall be installed (west of field no. 7) to monitor groundwater quality. The well shall be constructed such that the water level in the well is never above or below the screened (open) portion of the well at any time during the year. The general location and name for each well is marked on Attachment A. The monitoring well shall be located at the review boundary, constructed in accordance with this permit, and approved by the Wilmington Regional Office. 2. 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. 3. 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. 4. Within thirty (30) days of completion of all well construction activities, a certification must be received from a professional engineer or a licensed geologist certifying that the monitoring well is 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 -I) for each well. Mail this certification and the associated GW -1 forms to the Permits and Compliance Unit, Groundwater Section, 1636 Mail Service Center, Raleigh, NC, 27699-1636. For the initial sampling of the well as specified elsewhere in the permit, thepermittee 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. 6. The new monitor well, MW -13, shall be sampled initially after construction and thereafter every March July, and November for the parameters listed below. The existing monitor wells, MW -1, MW -2, MW -4, MW -6, MW -7, and MW -8 (in the vicinity of spray fields 1,2,3,5), and existing monitoring wells, MW -10, MW -11 and MW 12 (in the vicinity of spray fields 6, 7,8,9), depicted on attached Figures 2 and 3, shall be sampled every March, July, and November for the following parameters: Chloride Total Ammonia Fecal Coliforms Total Dissolved Solids (TDS) Nitrate (NO3 as N) Total Organic.Carbon (TOC) pH Total Phosphorous Sodium Water Level Sulfate Volatile Organic Compounds - In November only, using one of the following: (A) Standard Method 6230D, PQL at 0.5 µgfL or less (B) Standard Method 621 OD, PQL at 0.5 µg/l_ or less (C) EPA Method 8021, Low Concentration, PQL at 0.5 gg/L or less (D) EPA Method 8260, Low Concentration, PQL at 0.5 gg& or less (E) Another method with prior approval by the Groundwater Section Chief 6 Any method used must meet the following qualifications: (1) A laboratory must be DWQ certified to run any method used. (2) The method used must, at a minimum, include all the constituents listed in Table VIII of Standard Method 6230D. (3) The method used must provided a PQL at 0,5 gg/L or less which must be supported by laboratory proficiency studies as required by the DWQ Laboratory Certification Unit. Any constituents detected above the MDL but below the PQL at 0.5 p.g/L must be qualified (estimated) and reported. If any volatile organic compounds are detected by the methods listed, 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 measurement of water levels must be made prior to sampling for the remaining parameters. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The measuring points (top of well casing) of all monitoring wells shall be surveyed to provide the relative elevation of the measuring point for each monitoring well. If TOC concentrations greater than 10 mg/1 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. Anyexceedances of this naturally occurring TOC concentration in the downgradient wells shall be subject to the additional sampling and analysis as described above. The results of the sampling and analysis must be received on Form GW -59 (Groundwater Quality Monitoring: Compliance Report Form) by the Groundwater Section, Permits and Compliance Unit, 1636 Mail Service Center, Raleigh, N.C. 27699-1636 on or before the last working clay of the month following the sampling month. 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 all components of the waste disposal system, (c) the location of all property boundaries, (d) the location of all supply wells within the property line and within 500 foot radius of the disposal areas, (e) the latitude and longitude of the established horizontal control monument, (f) the relative elevation of the top of the well casing (which shall be known as the "measuring point"), and (g) the depth of water below the measuring point at the time the measuring point is established, (h) the Review and Compliance boundaries. 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 +/- I0 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 Iocated 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 Permits and Compliance Unit, Groundwater Section, 1636 Mail Service Center, Raleigh, NC, 27699-1636. 11. 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 systeEris midway between the Compliance Boundary and the perimeter of the waste disposal area. Anyexceedance of standards at the Review Boundary shall require remediation action on the part of the permittee. 12. No land application activities shall be undertaken when the seasonal high water table is less than three feet below land surface. Verification of the water table elevation can be confirmed by water level readings obtained from the monitor wells at the sites, within 24 hours prior to application of wastewater. 13. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be provided. 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 or other permitting authority. Any duly authorized officer, employee, or representative of the Division may, upon presentation of credentials, enter and inspect any property, premises or place on or related to the disposal site or facilit3 any reasonable time for the purpose of determining compliance with this permit, may inspect or copy ai ,. 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 may or may not be approved. 4. Failure to abide by the conditions and limitations contained in this permit may subject thePermittee to an enforcement action by the Division in accordance with North Carolina General Statute 143-215.6A to 143- 215.6C. The issuance of this permit does not exempt the Permittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other government agencies (local, state, and feden which have jurisdiction, including but not limited to applicable river buffer rules in 15A NCAC 2B .020U, erosion and sedimentation control requirements in 15A NCAC Ch. 4 and under the Division's General Permit NCG0100000, and any requirements pertaining to wetlands under 15A NCAC 2B .0200 and 2H .0500. 6. A set of approved plans and specifications for the subject project must be retained by the Permittee for the life of the project. 7. The annual administering and compliance fee must be paid by the Permittee within thirty (30) days after being billed by the Division. Failure to pay the fee accordingly may cause the Division to initiate action to revolve this permit as specified by 15A NCAC 2H.0205 (c)(4). The Permittee, at least six (6) months prior to the expiration of this permit, shall request its extension. Upon receipt of the request, the Commission will review the adequacy of the facilities described therein, and if warranted, will extend the permit for such period of time and under such conditions andlimitations as it may deem appropriate. 9. The Permittee shall advise the Wimington Regional Office in writing of the name of the designated farm manager and the alternate farm manager. Any change in these assignments shall be promptly reported in writing to the Wilmington Regional Office. 10. The farm manager shall be provided with a copy of this permit and shall keep the permit updated with any and all modifications or changes as they occur. Permit issued this the 19`h day of October, 2001 NORTH C ROLINA E VbRq MENTAL MANAGEMENT COMMISSION -.Gregory J. Thorpe, Ph.D., Acting Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0000485 10