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HomeMy WebLinkAboutWQ0033406_Final Permit_20090526NCDENR North Carolina Department of Environment and Natural Resources Beverly Eaves Perdue Governor Dr. Mathew Garrett Division of Water Quality Coleen H. Sullins Director May 26, 2009 Chatham County and Central Carolina Community College PO Box 1809 Pittsboro, NC 27312 Dear Mr. Garrett: Dee Freeman Secretary Subject: Application No. WQ0033406 Conjunctive Wastewater Treatment and Reclaimed Water Utilization System Wake County In accordance with your permit application request received August 8, 2008, and subsequent additional information received January 16, 2009 and April 28, 2009, we are forwarding herewith Permit No. WQ0033406, slated March 14, 2009, to Chatham County and Central Carolina Community College for the construction and continued operation of the subject wastewater treatment and reclaimed water utilization facilities. This permit shall be effective from the date of issuance until April 30, 2014, 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. 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. AQUIFER PROTECTION SECTION 1636 Mail Service Center, Raleigh, North Carolina 27699-1636 Location; 2728 Capital Boulevard, Raleigh, North Carolina 27604 Phone: 919-733-3221 1 FAX 1: 919-715-0588; FAX 2: 919-715-6048 i Customer Service: 1-877-623-6748 Internet: wwxmwaterquality.org An Equal Opportunity 1 Affirmative Action Employer NonrthCarolina Naturally Mr. Garrett May 26, 2009 Page 2 of 2 One set of approved plans and specifications is being forwarded to you. If you need additional information concerning this matter, please contact Jon Risgaard at (919) 715-6167 or jon.risgaard@ncmail.net. Sincerely, f Cole t, Sullins cc: Wake County Health Department Hal House, IWS Inc. 1434 Farrington Rd. Suite 600, Apex NC 28052 Steve Kaltenbach — RRO Technical Assistance and Certification Unit APS Central Files LAU Files NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES NEIGH CONJUNCTIVE WASTEWATER TREATMENT AND RECLAIMED WATER UTXLIZATION 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 Chatham County and Central Carolina Community College Wake County FOR THE construction and continued operation of a 2,530 gallon per day (GPD) wastewater treatment and reclaimed water utilization facility consisting of: one (1) 4000 gallon septic tank; one (1) 5000 gallon dosing pump tank served by two (2) 45.9 gpm filter dosing pumps; three (3) step feed vegetated sand filters; one (1) 4000 gallon re -use tank served by one (1) 45.9 gpm recirculation pump, two (2) 20 gpm reuse distribution pumps, and two (2) 10 gpm irrigation pumps; indoor use pump station located in the mechanical room of the class room building consisting of one (1) gpm pump, chlorine disinfection unit, dye addition, one (1) Salcor 3G UV disinfection system to serve the toilet flush, and cooling water utilization; one (1) Salcor 3G UV disinfection system located at the reuse chamber to serve the landscape irrigation; turbidity meter located prior to the reuse chamber; Two (2) flow meters located at 1) the outlet of the reuse tank to serve landscape irrigation and 2) in the Class room mechanical room prior to UV disinfection; and a conjunctive reclaimed water utilization system consisting of 13,002 square feet of drip irrigation system to supply a maximum of 0.2 inches per hour of irrigation waxer, an estimated 1,514 gpd toilet flush system, and an estimated maximum of 1,500 gpd cooling water supply system. to serve Chatham County and Central Carolina Community College, with no discharge of wastes to the surface waters, pursuant to the application received August 8, 2008, and subsequent additional, 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 April 30, 2014, and shall be subject to the following specified conditions and limitations: WQ0033406 Version 1.0 Shell Version 090204 Page I of 8 I. SCHEDULES [please review the entire permit for reporting, monitoring, and other on -going activities] Upon completion of construction and prior to operation of this permitted facility, a certification (see attached form) must be received from a professional engineer certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting materials including the location of all monitoring wells as applicable. If this project is to be completed in phases and partially certified, you shall retain the responsibility to track further construction approved under the same permit, and shall provide a_final certificate of completion once the entire project has been completed. Mail the Certification to the Aquifer Protection Section, Division of Water Quality, 1636 Mail Service Center, Raleigh, NC 27699-1636. 2. The Raleigh Regional Office, telephone number (919) 791-4200, shall be notified at least 48 hours in advance (excluding weekends and holidays) of operation of the installed facilities so that an in -place inspection can be made. Such notification to the Aquifer Protection Section regional 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, 3. 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. 4. Upon completion of construction and prior to operation of irrigation fields, the fields shall be inspected to verify that the post -constriction hydraulic capacity of the soils is consistent with, or superior to, the hydraulic capacity provided in the application. The results of the inspection shall be submitted to the Raleigh Regional Office. The requested information must be received and approved in writing by the Aquifer Protection Section prior to the operation of the subject facility. 5. Upon completion of construction and prior to operation of the toilet flush system, the Permitee shall demonstrate that applicable plumbing code requirements have been met, and the system has passed the necessary state or local plumbing inspection requirements. 6. Documentation of a complete education program as required in Condition 111.10, and proper public access control and signage as required in Condition 11.10, and Condition 111.7 shall be submitted to the Division prior to operation of the reclaimed water utilization system. 11. 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 due to improper operation and maintenance, 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. WQ0033406 Version 1.0 Shell Version 090204 Page 2 of 9 3, The conjunctive use of reclaimed water permitted herein in no way negates, precludes, or invalidates the most recent reissuance of any permits or agreements the Permittee must maintain with Town of Pittsboro to continue connection to the Towns sanitary sewer collection system, and the Permittec shall continue to comply with all conditions provided for therein. 4. Effluent limitations for the utilization of reclaimed water 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. Compliance and Review Boundaries for the reclaimed utilization areas have not been established pursuant to 15A NCAC 02T .0905. Any exceedance of groundwater standards 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. S. 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 iv. Impounded public water supplies: - v. Public shallow groundwater supply: - 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 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. 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. WQ0033406 Version 1.0 Shell Version 090204 Page 3 of 8 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. iii. Existing underground distribution systems retrofitted for the purpose of distributing reclaimed water shall be taped or otherwise identified as noted above. 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. 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. The Permittee shall maintain an active cross -connection control program that shall have the following minimum requirements: a. No direct cross -connections shall be allowed between the reclaimed water and potable water systems. b. A reduced pressure principle backflow preventer, an approved air gap separation, or other device approved by the Division of Environmental Health shall be installed at the potable water service connection to the use area where both reclaimed water and potable water are supplied to a reclaimed water use area. The installation of the reduced pressure principle backflow prevention device shall allow proper testing. c. An air gap separation, approved and regularly inspected by the Permittee shall be provided between the potable water and reclaimed water systems where potable water is used to supplement a reclaimed water system. 12. 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 I9C. 13. 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. 14. Reclaimed water distribution lines shall meet the separation distances to sewer lines in accordance with Rule .0305 of Subchapter 02T. 15. The reclaimed water irrigation utilization system shall be connected to a rain or moisture sensor that shall indicate when reclaimed water application is not appropriate in accordance with Condition 111.4. and I11.5. of this permit. WQ0033406 Version 1.0 ShelI Version 090204 Page 4 of 8 M. OPERATION AND MAINTENANCE REOUHIEMENTS 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 .0913 including operational functions, maintenance schedules, safety measures, and a spill response plan. Upon classification of the wastewater treatment and reclaimed utilization 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 ether 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 irrigation application shall not be performed during inclement weather or when the ground is in a condition that will cause ponding or runoff. No type of wastewater other than that from Chatham County and Central Carolina Community College shall be applied to the reclaimed water utilization areas. 7. 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. Addition public access restriction is required when unit process maintenance is occurring, or during times of plant upset. 8. 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. 9. Diversion or bypassing of the untreated wastewater from the treatment facilities, except to the Town of Pittsboro sanitary sewer collection system, is prohibited. 10. An education program shall be developed and implemented to inform reclaimed water users of the proper use of reclaimed water. Educational material shall be provided to all 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. IV. MONITORING AND REPORTING REQUIREMENTS I. 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 parameters under 15A NCAC 02H .0800. WQ0033406 Version 1.0 Shell Version 090204 Page 5 of 8 3. Flow distributed to the conjunctive reclaimed water system shall be continuously monitored and daily flow values shall be reported on Form NDMR. The Permittee shall 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 parameter(s) specified in Attachment A. The Permittee shall maintain adequate records to track the amount of reclaimed water distributed. These records shall include the following information for each reclaimed water use site listed in Attachment B: a. Date of distribution or irrigation, b. Volume of reclaimed water distributed or irrigated (Monthly Total), and c. Weather conditions (for irrigation sites owned or operated by the Permitee only) 6. Three copies of all monitoring data [as specified in Conditions IV.3. and IV.4.] on Form NDMR for each point prior to irrigation (PPI) and three copies of all operation and disposal records [as specified in Conditions IV.5. and iV.6. on Form NDAR-3 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. An utilization maintenance log shall be maintained at this facility including but not limited to the following items: a. Visual observations of the irrigation sites, and utilization areas. b. Record of preventative maintenance (changing of sprinklers, cleanings, etc.). c. Date of calibration of flow measurement device. WQ0033406 Version 1.0 Shell Version 090204 Page 6 of 9 9. A reclaimed water user inspection log shall be maintained at this facility including but not limited to the following items: a. Visual observations of the reclaimed water user facilities. b. Record of preventative maintenance (pump and valve maintenance, cross connection control, etc.). c. Date of calibration of flow measurement device. 10. Noncompliance Notification: The Permittee shall report by telephone to the Raleigh Regional Office, telephone number (919) 791- 4200, 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 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 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. WQ0033406 Version 1.0 Shell Version 090204 Page 7 of 8 VI. GENERAL CONDITIONS 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. 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. 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 ail 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. 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. 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 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 26tb of May 2009 NORTH CAROLINA ENVIRONMENTAL. MANAGEMENT COMMISSION '.r eoleen Vullins, Director Divisio of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0033406 WQ0033406 Version 1.0 Shell Version 090204 Page 8 of 8 Permit No. WQ0033406 Date ENGINEER'S CERTIFICATION Partial Final 1, , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the project, Project Name Location and County for the Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance and intent of this permit, the approved plans and specifications, and other supporting materials. Signature Date Registration No. WQ0033406 Version 1.0 Shell Version 090204 Page 1 of WQ0033406 Version 1.0 Shell Version. 090204 Page 2 of 2 ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS Central Carolina Community College Conjunctive Reclaimed Water System PPI 001- Reuse Tank Effluent (prior to landscape irrigation utilization) Permit Number: WQ0033406 Version: 1.0 EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Monthly Average Weekly Average Daily Maximum Measurement Frequency Sample Type Solids, Total Dissolved- 180 Deg.0 - 70300 - Summer 3 X year' Composite Solids, Total Suspended - 00530 5 mg/I 10. mg/1 4 X year 2 Composite BOD, 5-Day (20 Deg. C) - 00310 10 mg/l 15. mg/I 4 X year 2 Composite Nitrogen, Ammonia Total (as N) - 00610 4 mg/l 6. mg/l 4 X year 2 Composite Chloride (as Cl) - 00940 - Summer 3 X year' Grab Nitrogen, Nitrate Total (as N) - 00620 4 X year 2 Grab Coliform, Fecal MF, M-FC Broth,44.5C - 3I616 (geom.mean) 14 mpn/100m13 25. mpn/100m1 4 X year 2 Grab Flow, in conduit or thru treatment plant - 50050 Continuous Recorder Turbidity, HCH Turbidimiter - 00076 10. ntu Continuous Recorder pH — 00400 6.0-9.0 sm. 5 X Week Grab I. 3 X Year sampling shall be conducted in March, July, and November. 2. 4 X Year sampling shall be conducted in February, May, August, and November. 3. Monthly average for Fecal Coliform shall a geometric mean. WQ0033406 Version 1.0 Attachment A Paget of2 ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS Central Carolina Community College Conjunctive Reclaimed Water System Permit Number: WQ0033406 Version: 1.0 PPI 002 — Mechanical Room Buffer Tank Effluent(Prior to toilet flush and cooling water utilization) EFFLUENT CHARACTERISTICS EFFLUENT LIMITS MONITORING REQUIREMENTS Parameter Description - PCS Code Monthly Average Weekly Average Daily Maximum Measurement Frequency Sample Type Solids, Total Suspended - 00530 5 mg/l 10. mg/1 4 X year' Composite BOD, 5-Day (20 Deg. C) - 00310 10 mg/I 15. mg/l 4 X year Composite Nitrogen, Ammonia Total (as N) - 00610 4 mg/l 6. mg/l 4 X year Composite Coliform, Decal MF, M-FC Broth,44.5C - 31616 (geom.mean) 14 mpn/100m12 25. mpn/100m1 4 X year Grab Flow, in conduit or thru treatment plant - 50050 Continuous Recorder 14 X Year sampling shall be conducted in February, May, August, and November. Z Monthly average for Fecal Coliform shall a geometric mean. WQ0033, /ersion 1.0 Attachment A ,e 2 of 2 ATTACHMENT B - APPROVED RECLAIMED WATER USE SITES AND LIMITATIONS Central Carolina Community College Conjunctive Reclaimed Water System Permit Number: WQ0033406 UTILIZATION AREA INFORMATION APPLICATION LIMITATIONS Field/ Basin Owner User Facility Name County Latitude Longitude Net Acreage Permit Number Parameter Hourly Precipitation Yearly Precipitation Chatham County and 01284 - 1 Central Carolina Drip Irrigation Field` Chatham 35043'26" 79"11'19" .20 WQ0033406 Application 0.2 inches Community College Surface Irrigation 01284 - Chatham County and 2 Central Carolina Drip irrigation Field' Chatham 350432.7" 79011'19" _10 WQ0033406 Application 0.2 inches Community College Surface Irrigation TF AND Chatham County and Toilet flush, cooling 0I284 - Central Carolina Chatham 35043'27" 7901120" .00 WQ0033406 Application Community College water Surface Irrigation REUSE Total 1. Irrigation Fields one and two have been divided into the following zones. The flow rate for each field shall be recorded. Field # Zone # Location Description Square feet 1 l Area adjacent to southern side of Librari building 7700 2 1 Area East of Classroom building 847 2 2 Area East of Classroom building and North of Library 855 2 3 Area adjacent to north side of Library buildin 1833 2 4 Tree irrigation to 5 trees between the sand filters and field 2-5 392 2 5 Tree irrigation to 9 trees west of library 1089 2 6 Area adjacent to south west comer of library 710 WQ0033406 Version 1.0 Attachment B Page I of 1