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HomeMy WebLinkAboutWQ0022156_Final Permit_20070629O�O�C W A T -17 QG Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources D -[ Coleen H. Sullins Director June 29, 2007 R. Randy Martin — City Manager Town of Morehead City 706 Arendell Street Morehead City, NC 28557 Dear Mr. Martin: Division of Water Quality Subject: Permit No. WQ0022156 Morehead City WWTP Non -Conjunctive Wastewater Treatment and Reclaimed Water Utilization System Carteret County In accordance with your permit renewal request received May 9, 2007, we are forwarding herewith Permit No. WQ0022156, dated June 29, 2007, to the Town of Morehead City for the continued operation of the subject wastewater treatment and reclaimed water utilization facilities. Please note that Permit No. WQ0020500 and Permit No. WQ0022156 have been combined to form this permit. This permit shall be effective from the date of issuance until May 31, 2012, shall void Permit No. WQ0022156 and WQ0020500 issued December 20, 2002, and shall be subject to the conditions and Iimitations 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 effluent sampling parameters and frequencies have been changed (Attachment A). 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 30 days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter I50B 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 Matthew Fleahman at (919) 715-6173 or matthew.fleahman@ncmail.net. Sincer l , /t'Coleen H. u ms cc: Carteret County Health Department Wilmington Regional Office, Aquifer Protection Section Technical Assistance and Certification Unit APS Central Files LAU Files l�� Carolina , tura!!y Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 'telephone : (919) 733-3221 Internet: www.newaterQuaiity.org Location: 2728 Capital Boulevard Raleigh, NC 27604 Fax l: (9I9) 715-0588 Fax 2: (9I9) 715-6048 An Equal Opportunity/Affirmative Action Employer— 50% Recycled/10% Post Consumer Paper Customer Service: (877) 623-6748 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALEIGH CONJUNCTIVE WASTEWATER TREATMENT AND RECLAIMED WATER UTILIZATION 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 Town of Morehead City Carteret County FOR THE continued operation of a 30,000 gallon per day (GPD) reclaimed water generation (WWTP package plant) and distribution system, consisting of a 30,000 gallon aeration chamber with 150 SCFM air blowers, dual 64 square -feet (ft) clarifiers with sludge recirculating pumps, 30 ftZ tertiary filter with backwash and filtrate reject pumps, UV disinfection unit and tablet chlorinator, a 25,000 gallon effluent storage tank, dual 80 gallon per minute (GPM) influent pumps with valve box and associated piping, a 115 GPM vertical turbine reclaimed water spray irrigation pump, and approximately 220 linear -feet of 6-inch reclaimed water force main; continued operation of a 7,300 GPD reclaimed water utilization system consisting of approximately 1,580 linear -feet of 4-inch force main, approximately 2,420 linear -feet of 2-inch laterals, and 60 fixed 7.66 GPM 3 0 psi sprinkler nozzles with spray irrigation onto approximately 4.9 acres; to serve the Town of Morehead City, with no discharge of wastes to the surface waters, pursuant to the application received May 9, 2007, 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 May 31, 2012, shall void Permit No. WQ0022156 and WQ0020500 issued December 20, 2002, 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] 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 extend 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. WQ0022156 Version 2.0 Shell Version 070320 Page 1 of 7 H. PERFORMANCE STANDARDS The reclaimed water utilization 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 utilization 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 ground or surface waters resulting from the operation of this facility. 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 and REVIEW BOUNDARIES for the reclaimed utilization system are established at the property boundary. Any exceedance of standards at the Compliance or Review Boundary shall require action in accordance with 15A NCAC 02L .0106. 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. 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 facilities permitted herein must be constructed according to the following setbacks: a. The setbacks for reclaimed utilization sites shall be as follows (all distances in feet): i. Surface waters not classified SA: 25 ii. Surface waters classified SA: 100 iii. Any well with exception to monitoring wells 100 b. The setbacks for treatment and storage units shall be as follows (all distances in feet): i. Any well with exception of monitoring wells: 100 ii. Any property line: 50 10. The following shall be requirements for the reclaimed water distribution, storage, and utilization facilities: a. All reclaimed water valves, storage facilities, and outlets shall be tagged or labeled to warn the public or employees that the water is not intended for drinking. Where appropriate, such warning shall inform the public or employees to avoid contact with the water. b. All reclaimed water piping, valves, outlets, and other appurtenances shall be color -coded, taped, or otherwise marked to identify the source of the water as being reclaimed water. WQ0022156 Version 2.0 Shell Version 070320 Page 2 of 7 All reclaimed water piping and appurtenances shall be either colored purple (i.e., Pantone 522) and embossed or integrally stamped or marked "CAUTION: RECLAIMED WATER — DO NOT DRINK" or be installed with a purple (i.e., Pantone 522) identification tape or polyethylene vinyl wrap. The warning shall be stamped on opposite sides of the pipe and repeated every three feet or less. ii. Identification tape shall be at least three inches wide and have white or black lettering on purple (i.e., Pantone 522) field stating "CAUTION: RECLAIMED WATER — DO NOT DRINK." Identification tape shall be installed on top of reclaimed water pipelines, fastened at least every 10 feet to each pipe length and run continuously the entire length of the pipe. c. All reclaimed water valves and outlets shall be of a type, or secured in a manner, that permits operation by authorized personnel only. d. Above -ground hose bibs (i.e., spigots or other hand -operated connections) shall not be present. Hose bibs shall be located in locked below -grade vaults that shall be clearly labeled as being of non -potable quality. As an alternative to the use of locked below -grade vaults with standard hose bibs services, hose bibs, which can only be operated by a special tool or connected to a special hose connection, may be placed in non -lockable underground services boxes clearly labeled as non -potable water. 11. Reclaimed water distribution lines shall be located 10 feet horizontally from and 18 inches below any water line where practicable. Where these separation distances cannot be met, the piping and integrity testing procedures shall meet water main standards in accordance with 15A NCAC 18C. 12. Reclaimed water distribution lines shall not be less than 100 feet from a well unless the piping and integrity testing procedures meet water main standards in accordance with 15A NCAC 18C, but no case shall they be less than 25 feet from a private well or 50 feet from a public well. 13. Reclaimed water distribution lines shall meet the separation distances to sewer lines in accordance with Rule .0305 of Subchapter 02T. III. OPERATION AND MAINTENANCE REQUIREMENTS 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 .0913 including operational functions, maintenance schedules, safety measures, and a spill response plan. 2. Upon classification of the wastewater treatment and reclaimed utilizaiton 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 08G .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 reclaimed water utilization system_ 4. Adequate measures shall be taken to prevent ponding or runoff from the reclaimed water utilization areas. 5. Reclaimed water application shall not be performed during inclement weather or when the ground is in a condition that will cause ponding or runoff. All reclaimed water application equipment must be tested and calibrated at least once per year. Records of the calibration must be maintained for five years. WQ0022156 Version 2.0 Shell Version 070320 Page 3 of 7 7. No type of wastewater other than that from the Town of Morehead City shall be applied to the reclaimed water utilization area(s). 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. 9. Public access to the reclaimed water utilization sites shall be controlled during active site use. Such controls may include the posting of signs showing the activities being conducted at each site. 10. 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 .0914. 11. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited. 12. Should the limit for fecal coliform (daily maximum concentration of 25 per 100 ml) or turbidity (instantaneous maximum of 10 NTU) be exceeded, until such time that the problems associated with the treatment capability of the wastewater treatment plant have been corrected, all wastewater shall be handled in one of three ways. The Town of Morehead City may further treat the wastewater to bring it into compliance with reclaimed standards without returning the water to the facility's headworks, may reroute it to the headworks of the wastewater treatment facility for treatment to reuse standards, or may discharge it in strict accordance with the conditions of the facility's existing NPDES permit.. IV. MONITORING AND REPORTING REQUIREMENTS 1. 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 from the subject facilities shall be monitored by the Permittee at the frequency(ies) and location(s) for the parameters) specified in Attachment A. WQ0022156 Version 2.0 Shell Version 070320 Page 4 of 7 5. The Permittee tracking the amount of reclaimed water applied shall maintain adequate records. These records shall include, but are not necessarily limited to, the following information: a. Date of reclaimed water application, b. Volume of reclaimed water applied, 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. 6. Three copies of all monitoring data [as specified in Conditions IV.3. and IV A] on Form NDMR for each point prior to irrigation (PPI) and three copies of all operation and disposal records [as specified in Condition IV.5] on Form NDAR-1 for every utilization area 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 7. 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. 8. 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. 9. Noncompliance Notification: The Permittee shall report by telephone to the Wilmington Regional Office, telephone number (910) 796-7215, 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 reclaimed utilization area or runoff from the reclaimed utilization areas. 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 bypass directly to receiving waters. WQ0022156 Version 2.0 Shell Version 070320 Page 5 of 7 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 utilization area. 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 Permittee to an enforcement action by the Division in accordance with North Carolina General Statute 143- 215.6A to 143-215.6C. 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. 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 NCG010000, and any requirements pertaining to wetlands under 15A NCAC 02B .0200 and 02H .0500. WQ0022156 Version 2.0 Shell Version 070320 Page 6 of 7 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 forms, 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. This permit is issued pursuant to T15A:2H.0219(p) for the construction and operation of a reclaimed water utilization facility without flow equalization. In the event that non-compliance with any permit limitation results from the absence of flow equalization, this permit may be administratively reopened, and a requirement for the construction of a flow equalization basin may be incorporated into the permit. 7. This permit in no way negates, precludes, or invalidates the most recent reissuance of NPDES Permit No. NCO026611, and the Permittee shall continue to comply with all conditions provided for therein. 8. The Permittee shall retain a set of approved plans and specifications for the life of the facilities permitted herein. 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. 10. The Permittee must pay the annual fee within 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 pursuant to 15A NCAC 02T .0105(e). Permit issued this the 29`h day of June, 2007 NORTH C OLINA E 1RONMENTAL MANAGEMENT COMMISSION .�C Coleen H. Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0022156 WQ0022156 Version 2.0 Shell Version 070320 Page 7 of 7 ATTACHMENT A - EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Permit Number: W 0022156 001 Effluent Pumped to Reclaimed Water Irrigation Fields EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORD4 REQUIREMENTS Parameter Description - PCS Code Monthly Avera ea Weekly Avera a Daily Maximum` Measurement Frequency Sample Type BOD, 5-Da (20 Deg. C) - 00310 10 m ll I l5, m /1 Solids, Total Suspended - 00530 5 m /l 10_ Mg/I _Monthly..CornDosite Monthly Composite Nitrogen, Ammonia Total as N) - 00610 4 mg/1 6. mg/1 Monthly Composite Nitrogen, Nitrate Total (as N) - 00620 Monthly Composite Chloride (as Cl) _ 00940 3 X yeard Grab H - 00400 6 — 9e su 9 su 5 X week Grab Solids, Total Dissolved - 70295 3 X yeard Grab Carbon, Tot Organic (TOC) - 00680 3 X ears Grab Solids, Settleable - 00545 5 X week Grab Colifarm, Fecal MF, M-FC Broth,44.5C - 31616 14' #/100rn1 25. #/1001r1 Monthly Grab Flow, in conduit or thru treatment plant - 50050 30,000_j_ gpd Continuous Recorder Turbidity, HCH Turbidirniter - 00076 10. ntu Continuous Recorder Notes: '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. 'Daily maximum shall be the maximum value of all samples collected during the reporting period. d 3 X year sampling shall be conducted during March, July and November. 'The discharge pH shall not be Iess than 6 standard units nor greater than 9 standard units. WQ0022156 Version 2.0 Attachment A Page I of 2 THIS PAGE BLANK WQ002215o Version 2.0 Attachment A r age 2 of 2 ATTACHMENT B - Approved Land Application Sites Permit Number: WQ0022156 Town Of Morehead City Morehead City WWTP Field/Zone Net Dominant Soil Hourly Yearly Id Owner County Latitude Longitude Acreage Series Parameter Avg Max 01284 - Application Surface 1 Town Of Morehead City Carteret 34043'41" 76044118" 4.90 Craven Irrigation 0.4 inches 20 inches Total 4.90 WQ0022156 Version 2.0 Attachment B Page 1 of 2 THIS PAGE BLANK WQ00221 So Version 2.0 Attachment B -Page 2 of 2' 0 c. 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