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HomeMy WebLinkAboutWQ0024838_Final Permit_20210108ROY COOPER Governor MICHAEL S. REGAN Secretary S. DANI£L SMITH Director NORTH CAROLINA Environmental Quality January 8, 2021 JOHN POTEAT — DIRECTOR OF PUBLIC WORKS TOWN OF PITTSBORO POST OFFICE BOX 759 PITTSBORO, NORTH CAROLINA 27312 Subject: Permit No. WQ0024838 Town of Pittsboro WWTP Reclaimed Water Generation and Distribution System Chatham County Dear Mr. Poteat: In accordance with your permit minor modification request received October 13, 2020, we are forwarding herewith Permit No. WQ0024838 dated January 8, 2021, to the Town of Pittsboro for the continued operation of the subject reclaimed water generation and distribution facilities. The following modifications to the subject permit are as follows: This permit allows for reclaimed water generated at the Chatham Park Water Recovery Center (Permit No. WQ0039375) to be conveyed to the Town of Pittsboro WWTP and distributed under this permit to the user specified in Attachment B. Please note that the reclaimed water distribution line connecting these two facilities have not been permitted at the time of this permit's issuance, and this line shall be permitted before reclaimed water generated at the Chatham Park Water Recovery Center can be distributed under this permit. Please not that Permit No. WQ0039375 shall be modified to allow operation of their reclaimed water generation system, and to add this permit as an offsite reclaimed water distribution user. This permit shall be effective from the date of issuance through July 31, 2022, shall void Permit No. WQ0024838 issued June 22, 2017, and shall be subject to the conditions and limitations therein. The Permittee shall submit a renewal application no later than February 1, 2022. Please pay attention to the monitoring requirements listed Attachments A and B for they may differ from the previous permit issuance. Failure to establish an adequate system for collecting and maintaining the required operational information shall result in future compliance problems. The Division has removed the following permit conditions since the last permit issuance dated June 22, 2017: ➢ Old Condition IL8. —This condition has been replaced by Condition 11.10. ➢ Old Condition IL9. —This condition has been replaced by Condition IL11. ➢ Old Condition 11.10. —This condition has been replaced by Condition 11.12. ➢ Old Condition II1.6. —This condition has been replaced by Condition II1.10. N11H fH (:A�i(1!.INA � D E Q North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617 0­O,toreWMl talQ"I 919,707.9000 Mr. John Poteat January 8, 2021 Page 2 of 3 ➢ Old Condition VL2. — This condition has been removed because the permit is not voidable. The following permit conditions are new since the last permit issuance dated June 22, 2017: ➢ Conditions 1L5., 11.7., and 11.8. — These conditions were previously covered under Old Condition 1L6., but have been separated into their own conditions. ➢ Condition IL 10. — Reclaimed water distribution lines shall be located at least 5 feet horizontally from and 18 inches below any water line if practicable. ➢ Condition IL 11. — Reclaimed water distribution lines shall not be less than 50 feet from a well unless the piping and integrity testing procedures meet water main standards in accordance with 15A NCAC 18C. ➢ Condition 11.12. — Reclaimed water distribution lines shall meet the separation distances to sewer lines in accordance with 15A NCAC 02T .0305. ➢ Condition 11.13. — The setbacks for storage units in effect at the time of initial permitting have been added to the permit. ➢ Condition IIL5. — This condition has been modified from Old Condition IIL7. to allow reclaimed water generated from the Chatham Park Water Recovery Center (WQ0039375) to be distributed to the offsite users listed in Attachment B. ➢ Condition IIL9. — This condition requires that a protective vegetative cover be established and maintained on all berms, pipe runs, erosion control areas, surface water diversions, and earthen embankments. ➢ Condition IIL 10. — Metering equipment shall be tested and calibrated annually. ➢ Condition IIL 12. — Continuous online monitoring and recording for turbidity or particle count and flow shall be provided prior to storage and distribution of reclaimed water. ➢ Condition IV.6. — This condition requires that the Permittee maintain a record of all residuals removed from this facility. ➢ Condition VI. 10. — This permit shall not be renewed if the Permittee or any affiliation has not paid the required annual fee. If any parts, requirements, or limitations contained in this permit are unacceptable, the Permittee has the right to request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This request shall 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 at 6714 Mail Service Center, Raleigh, NC 27699-6714. Otherwise, this permit shall be final and binding. Mr. John Poteat January 8, 2021 Page 3 of 3 If you need additional information concerning this permit, please contact Erick Saunders at (919) 707-3659 or erickson.saunderskncdenr.gov. Sincerely, S. Daniel Smith, Director Division of Water Resources cc: Chatham County Health Department (Electronic Copy) Raleigh Regional Office, Water Quality Regional Operations Section (Electronic Copy) Laserfiche File (Electronic Copy) Digital Permit Archive (Electronic Copy) THIS PAGE BLANK NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENTAL QUALITY RALEIGH RECLAIMED WATER GENERATION AND DISTRIBUTION 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 Pittsboro Chatham County FOR THE continued operation of a 300,000 gallon per day (GPD) reclaimed water generation and distribution system consisting of: an effluent reclaimed water pump station with a 315 gallon per minute (GPM), 40 horsepower (hp) pump; an in -line turbidimeter; a chemical feed liquid sodium hypochlorite system with a 1,000 gallon storage tank; 520 linear feet (LF) of 8-inch reclaimed water line; 13 air release valves; a 500,000 gallon reclaimed water storage tank between Old Sanford Rd. and NC 15; 26,200 LF of 8-inch reclaimed water line; and all associated piping, valves, controls, and appurtenances to serve the Town of Pittsboro WWTP, with no discharge of wastes to surface waters, pursuant to the application received October 13, 2020, and in conformity with the Division -approved plans and specifications considered a part of this permit. This permit shall be effective from the date of issuance through July 31, 2022, shall void Permit No. WQ0024838 issued June 22, 2017, and shall be subject to the following conditions and limitations: I. SCHEDULES 1. The Permittee shall request renewal of this permit on Division -approved forms no later than February 1, 2022. [15A NCAC 02T .0105(b), 02T .0109] 2. Operation of the reclaimed water distribution facilities shall be contingent upon construction and operation of permitted reclaimed water distribution lines immediately upstream and downstream of the reclaimed water distribution facilities permitted herein. Specifications for future upstream and downstream reclaimed water distribution lines shall include quality assurance testing procedures, which shall be adhered to prior to operation of the reclaimed water distribution facilities permitted herein. [G.S. 143-215.1] WQ0024838 Version 2.1 Shell Version 200201 Page 1 of 8 IL PERFORMANCE STANDARDS The Permittee shall maintain and operate the subject reclaimed water facilities so there is no discharge to surface waters, nor any contravention of groundwater or surface water standards. In the event the facilities fail to perform satisfactorily, including the creation of nuisance conditions due to improper operation and maintenance, the Permittee shall take immediate corrective actions, including Division required actions, such as the construction of additional or replacement reclaimed water generation and distribution facilities, or cessation of reclaimed water distribution. [15A NCAC 02T .0108(b)(1)(A)] 2. This permit shall not relieve the Permittee of their responsibility for damages to groundwater or surface water resulting from the operation of this facility. [15A NCAC 02T .0108(b)(1)(A)] 3. Effluent limitations for generated reclaimed water shall not exceed those specified in Attachment A. [15A NCAC 02U .0301] 4. Reclaimed water shall only be utilized at the sites and for the activities specified in Attachment B. [15A NCAC 02U .0401(g)] 5. 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. [15A NCAC 02U .0403(b)] 6. 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 as follows: a. All reclaimed water piping and appurtenances shall be either colored purple (Pantone 522 or equivalent) and embossed or integrally stamped or marked "CAUTION: RECLAIMED WATER - DO NOT DRINK" or be installed with a purple (Pantone 522 or equivalent) identification tape or polyethylene vinyl wrap. The warning shall be stamped on opposite sides of the pipe and repeated every three feet or less; b. Identification tape shall be at least three inches wide and have white or black lettering on purple (Pantone 522 or equivalent) 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; and c. Existing underground distribution systems retrofitted for the purpose of convey reclaimed water shall be taped or otherwise identified as noted in IL6.a. and IL6.b. This identification need not extend the entire length of the distribution system but shall be incorporated within 10 feet of crossing any potable water supply line or sanitary sewer line. [15A NCAC 02U .0403(c)] 7. All reclaimed water valves and outlets shall be of a type, or secured in a manner, that permits operation by personnel authorized by the entity that operates the reclaimed water system. [15A NCAC 02U .0403(d)] 8. Hose bibs shall be located in locked, below grade vaults that shall be labeled as being of non -potable quality. As an alternative to the use of locked vaults with standard hose bib services, other locking mechanisms such as hose bibs that can only be operated by a tool may be placed above ground and labeled as non -potable water. [15A NCAC 02U .0403(e)] 9. There shall be no direct cross -connections between the reclaimed water and potable water systems, unless such connection has been approved by the Department pursuant to 15A NCAC 18C .0406. [15A NCAC 02U .0403(f)] 10. Reclaimed water distribution lines shall be located at least 5 feet horizontally from and 18 inches below any water line if practicable. If these separation distances cannot be met, the piping and integrity testing procedures shall meet water main standards in accordance with 15A NCAC 18C. [15A NCAC 02U .0403(g), 02U .0403(h)] WQ0024838 Version 2.1 Shell Version 200201 Page 2 of 8 11. Reclaimed water distribution lines shall not be less than 50 feet from a well unless the piping and integrity testing procedures meet water main standards in accordance with 15A NCAC 18C, but in no case shall they be less than 25 feet from a private well. [15A NCAC 02U .0403(g), 02U .0403(i)] 12. Reclaimed water distribution lines shall meet the separation distances to sewer lines in accordance with 15A NCAC 02T .0305. [15A NCAC 02U .0403(g), 02U .04030)] 13. The facilities herein were permitted per the following setbacks: a. The storage and treatment units were originally permitted July 22, 2008. The setbacks for storage and treatment units originally permitted or modified from September 1, 2006 to June 17, 2011 are as follows (all distances in feet): I. Each habitable residence or place of assembly under separate ownership: 1001 ii. Each private or public water supply source: 100 iii. Surface waters: 50 iv. Each well with exception of monitoring wells: 100 v. Each property line: 0 2,3 1 Habitable residences or places of assembly under separate ownership constructed after the facilities herein were originally permitted or subsequently modified are exempt from this setback. 2 Setbacks to property lines are not applicable when the Permittee, or the entity from which the Permittee is leasing, owns both parcels separated by the property line. 3 Section 22.(c)(2) of Session Law 2013-413 exempts final reclaimed water effluent storage facilities constructed prior to June 18, 2011 from having a setback to property lines. [15A NCAC 02T .0912(a)] OPERATION AND MAINTENANCE REQUIREMENTS The Permittee shall operate and maintain the subject facilities as anon -discharge system. [15A NCAC 02U .0101] 2. The Permittee shall maintain an Operation and Maintenance Plan, which shall include: a. A description of the operation of the system in detail to show what operations are necessary for the system to function and by whom the operations are to be conducted; b. A sampling and monitoring plan to evaluate quality of reclaimed water within the distribution system to provide quality assurance at the time of reuse, and specify actions to be taken in response to unsatisfactory monitoring results; c. A map of all reclaimed water distribution lines; d. A description of anticipated maintenance of the system; e. Provisions for safety measures, including restriction of access to the site and equipment; and f. Spill control provisions that include response to upsets and bypasses, including control, containment, and remediation, and contact information for personnel, emergency responders, and regulatory agencies. [15A NCAC 02U .0801(a)] WQ0024838 Version 2.1 Shell Version 200201 Page 3 of 8 3. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC) classification of the subject non -discharge facilities, the Permittee shall designate and employ a certified operator in responsible charge (ORC), and one or more certified operators as back-up ORCs. The ORC or their back-up shall operate and visit the facilities as required by the WPCSOCC. [15A NCAC 02T .0117] 4. An operator certified by the Water Pollution Control System Operators Certification Commission (WPCSOCC) of a grade equivalent or greater than the facility classification shall be on call 24 hours per day. [15A NCAC 02U .0401(e)] 5. Only reclaimed water generated from the Pittsboro WWTP (Permit No. NC0020354) and the Chatham Park Water Recovery Center (Permit No. WQ0039375) shall be conveyed in the reclaimed water distribution facilities permitted herein. [15A NCAC 02U .0101] 6. The Permittee shall prohibit public access to the wastewater treatment and storage facilities. [15A NCAC 02T .0108(b)(1)(A)] 7. The Permittee shall dispose or utilize generated residuals in a Division -approved manner. [15A NCAC 02T .1100, 02U .0802]. 8. The Permittee shall not divert or bypass untreated or partially treated reclaimed water from the subject facilities unless diverted to an alternate treatment or collection system. [15A NCAC 02T .0108(b)(1)(A)] 9. A protective vegetative cover shall be established and maintained on all berms, pipe runs, erosion control areas, surface water diversions, and earthen embankments (i.e., outside toe of embankment to maximum allowable temporary storage elevation on the inside of the embankment). Trees, shrubs, and other woody vegetation shall not be allowed to grow on the earthen dikes or embankments. Earthen embankments shall be kept mowed or otherwise controlled and accessible. [15A NCAC 02U .0801(g)] 10. Metering equipment shall be tested and calibrated annually. [15A NCAC 02U .0801(d)] 11. An automatically activated standby power source or other means to prevent improperly treated wastewater from entering the storage and distribution system shall be provided. [15A NCAC 02U .0401(d)] 12. Continuous online monitoring and recording for turbidity or particle count and flow shall be provided prior to storage and distribution of reclaimed water. [15A NCAC 02U .0401(b)] 13. If turbidity exceeds 10 NTUs or if the permitted pathogen levels cannot be met, all effluent shall be prohibited from entering the storage and distribution system, and shall be disposed of in accordance with Permit No. NCO020354 until the reclaimed water standards are met at the generating facilities. [ 15A NCAC 02U .0401(c)] 14. The Permittee shall provide notification to the public and its employees about the use of reclaimed water, and that reclaimed water is not intended for drinking. Such notification shall be provided to employees in a language they can understand. [15A NCAC 02U .0501(a)(2)] 15. The Permittee shall develop and implement an education program to inform users and its employees about the proper use of reclaimed water. Educational material shall be provided to all residents and/or other facilities provided with reclaimed water, and these materials shall be maintained consistent with the reclaimed water uses. All educational materials shall be made available to the Division upon request. [15A NCAC 02U .0501(a)(4)] WQ0024838 Version 2.1 Shell Version 200201 Page 4 of 8 IV. MONITORING AND REPORTING REQUIREMENTS The Permittee shall conduct and report any Division required monitoring necessary to evaluate this facility's impact on groundwater and surface water. [15A NCAC 02T .0108(c)] 2. A Division -certified laboratory shall conduct all analyses for the required effluent, groundwater, and surface water parameters. [15A NCAC 02H .0800] The Permittee shall monitor the generated reclaimed water at the frequencies and locations for the parameters specified in Attachment A. [15A NCAC 02T .0108(c)] 4. The Permittee shall maintain adequate records tracking the amount of reclaimed water distributed and shall include the following information: a. Date reclaimed water distributed; and b. Volume of reclaimed water distributed to each site specified in Attachment B (monthly total). Monthly tracking records shall be summed and reported on Form NDMR (see Attachment A) under parameter WQO1 (Flow, Reclaimed Water Distributed). This value shall represent the total volume of reclaimed water distributed for that month. [15A NCAC 02T .0108(c)] 5. Three copies of all monitoring data (as specified in Conditions IV.3. and IVA.) on Form NDMR for each PPI 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 Resources Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 [15A NCAC 02T .0105(l)] 6. The Permittee shall maintain a record of all residuals removed from this facility. This record shall be maintained for five years, and shall be made available to the Division upon request. This record shall include: a. Name of the residuals hauler; b. Non -Discharge permit number authorizing the residuals disposal, or a letter from a municipality agreeing to accept the residuals; c. Date the residuals were hauled; and d. Volume of residuals removed. [15A NCAC 02U .0802(b)] 7. A maintenance log shall be kept at this facility. This log shall be maintained for five years, and shall be made available to the Division upon request. This log shall include: a. Date of flow measurement device calibration; b. Date of turbidimeter calibration; c. Date and results of power interruption testing on alternate power supply; d. Visual observations of the plant and plant site; and e. Record of preventative maintenance (e.g., changing of equipment, adjustments, testing, inspections and cleanings, etc.); and £ Record of all discharges of reclaimed water to surface waters or the land surface, including the date of occurrence, estimated volume, and corrective action taken. [15A NCAC 02U .0801(h)] WQ0024838 Version 2.1 Shell Version 200201 Page 5 of 8 8. Noncompliance Notification: The Permittee shall report to the Raleigh Regional Office, telephone number (919) 791-4200, within 24 hours of first knowledge of the following: a. Treatment of wastes abnormal in quantity or characteristic, including the known passage of a hazardous substance. b. Any process unit failure (e.g., mechanical, electrical, etc.) rendering the facility incapable of adequate wastewater treatment. c. Any failure resulting in a discharge untreated or partially treated wastewater to surface waters. d. Any failure resulting in a discharge of reclaimed water directly to surface waters or any unpermitted release of reclaimed water to land surface greater than or equal to 5,000 gallons. Unpermitted releases less than 5,000 gallons to land surface shall be documented by the Permittee in accordance with Condition IV.7.f but do not require Regional Office notification. e. Any time self -monitoring indicates the facility has gone out of compliance with its permit limitations. f. Ponding in or runoff from the irrigation sites. Emergencies requiring reporting outside normal business hours shall call the Division's Emergency Response personnel at telephone number (800) 662-7956, (800) 858-0368, or (919) 733-3300. All noncompliance notifications shall file a written report to the Raleigh Regional Office within five days of first knowledge of the occurrence, and this report shall outline the actions proposed or taken to ensure the problem does not recur. [15A NCAC 02T .0108(b)(1)(A)] V. INSPECTIONS 1. The Permittee shall perform inspections and maintenance to ensure proper operation of the reclaimed water generation and distribution facilities. [15A NCAC 02U .0801(i)] 2. The Permittee shall inspect the reclaimed water generation and distribution facilities to prevent malfunctions, facility deterioration, and operator errors that may result in discharges of wastes to the environment, threats to human health, or public nuisances. The Permittee shall maintain an inspection log that includes the date and time of inspection, observations made, and maintenance, repairs, or corrective actions taken. The Permittee shall maintain this inspection log for a period of five years from the date of the inspection, and this log shall be made available to the Division upon request. [15A NCAC 02U .0801(h), 02U .0801(i)] Division authorized representatives may, upon presentation of credentials, enter and inspect any property, premises, or place related to the reclaimed water generation and distribution facilities permitted herein at any reasonable time for determining compliance with this permit. Division authorized representatives may inspect or copy records maintained under the terms and conditions of this permit, and may collect groundwater, surface water, or leachate samples. [G.S. 143-215.3(a)(2)] WQ0024838 Version 2.1 Shell Version 200201 Page 6 of 8 VI. GENERAL CONDITIONS 1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to a Division enforcement action. [G.S. 143-215.6A, 143-215.613, 143-215.6C] 2. This permit is effective only with respect to the nature and volume of wastes described in the permit application, and Division -approved plans and specifications. [G.S. 143-215.1(d)] 3. Unless specifically requested and approved in this permit, there are no variances to administrative codes or general statutes governing the construction or operation of the facilities permitted herein. [15A NCAC 02T .0105(n)] 4. The issuance of this permit does not exempt the Permittee from complying with all statutes, rules, regulations, or ordinances that other jurisdictional government agencies (e.g., local, state, and federal) may require. [15A NCAC 02T .0105(c)(6)] 5. If the permitted facilities change ownership, or the Permittee changes their name, the Permittee shall submit a permit modification request on Division -approved forms. The Permittee shall comply with all terms and conditions of this permit until the permit is transferred to the successor -owner. [G.S. 143- 215.1(d3)] 6. The Permittee shall retain a set of Division -approved plans and specifications for the life of the facilities permitted herein. [15A NCAC 02T .0105(o)] 7. The Permittee shall maintain this permit until the proper closure of all facilities permitted herein, or until the facilities permitted herein are permitted by another authority. [15A NCAC 02T .01050)] 8. This permit is subject to revocation or modification upon 60-day notice from the Division Director, in whole or part for: a. violation of any terms or conditions of this permit or Administrative Code Title 15A Subchapter 02U; b. obtaining a permit by misrepresentation or failure to disclose all relevant facts; c. the Permittee's refusal to allow authorized Department employees upon presentation of credentials: I. to enter the Permittee's premises where a system is located or where any records are required to be kept; ii. to have access to any permit required documents and records; iii. to inspect any monitoring equipment or method as required in this permit; or iv. to sample any pollutants; d. the Permittee's failure to pay the annual fee for administering and compliance monitoring; or e. a Division determination that the conditions of this permit are in conflict with North Carolina Administrative Code or General Statutes. [15A NCAC 02T .0110] WQ0024838 Version 2.1 Shell Version 200201 Page 7 of 8 9. Unless the Division Director grants a variance, expansion of the facilities permitted herein shall not occur if any of the following apply: a. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has been convicted of environmental crimes under G.S. 143-215.6B, or under Federal law that would otherwise be prosecuted under G.S. 143-215.6B, and all appeals of this conviction have been abandoned or exhausted. b. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has previously abandoned a wastewater treatment facility without properly closing the facility. c. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has not paid a civil penalty, and all appeals of this penalty have been abandoned or exhausted. d. The Permittee or any parent, subsidiary, or other affiliate of the Permittee is currently not compliant with any compliance schedule in a permit, settlement agreement, or order. e. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has not paid an annual fee. [15A NCAC 02T .0120(b), 02T .0120(d)] 10. This permit shall not be renewed if the Permittee or any affiliation has not paid the required annual fee. [15A NCAC 02T .0120(c)] Permit issued this the 8 h day of January 2021 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION 7L,e4e�re-a sg�" S. Daniel Smith, Director Division of Water Resources By Authority of the Environmental Management Commission Permit Number WQ0024838 WQ0024838 Version 2.1 Shell Version 200201 Page 8 of 8 ATTACHMENT A — LIMITATIONS AND MONITORING REQUIREMENTS PPI 001— Reclaimed Water Generation System Effluent Permit Number: WQ0024838 Version: 2.1 EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS PCS Code Parameter Description Units of Measure Monthly Monthly Average Geometric Mean Daily Minimum Daily Maximum Measurement Frequency' Sample Type 00310 BOD, 5-Day (20 °C) mg/L 10 15 3 x Week Composite 50060 Chlorine, Total Residual mg/L 3 x Week Grab 31616 Coliform, Fecal MF, M-FC Broth, 44.5 °C #/100 mL 14 25 3 x Week Grab 00610 Nitrogen, Ammonia Total (as N) mg/L 4 6 3 x Week Composite 00530 Solids, Total Suspended mg/L 5 10 3 x Week Composite 00076 Turbidity, HCH Turbidimeter NTU 10 Continuous Recorder 1. Please note that the monitoring requirements (i.e. measurement frequency and sample type) have been aligned with those requirements in Permit No. NC0020354. Accordingly, the Permittee may report the same data for parameters BOD5 (00310), Fecal Coliform (31616), Ammonia (00610), and TSS (00530) for Permit No. NCO020354 (i.e., no additional monitoring). PPI 002 — Distributed Reclaimed Water EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS PCs Parameter Description Units of Monthly Monthly Daily Minimum Daily Maximum Measurement Sample Code Measure Total Geometric Mean Frequency Type WQ01 Flow, Reclaimed Water Distributed gallons Monthly Estimate WQ0024838 Version 2.1 Attachment A Page 1 of 1 THIS PAGE BLANK ATTACHMENT B — APPROVED CONJUNCTIVE SITES AND USES APPROVED USERS FOR OFFSITE DISTRIBUTION Town of Pittsboro — Town of Pittsboro WWTP Permit Number: WQ0024838 Version: 2.1 Site Facility Name Owner County User Permit Number Latitude Longitude Approved Uses 01 3M — Pittsboro WWTP 3M Company Chatham WQ0020808 35.660812' -79.167153' Cooling water 1. Utilization records for these sites are not required to be reported on Form NDAR-1. WQ0024838 Version 2.1 Attachment B Page 1 of 1 I ,jQ9024838 GOOSIC earth C12mu"g" I- W—o A N 500 ft Reclaimed Water Tan k 4f C.( -,7W