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Home My WebLink AboutWQ0018379_Correction_20000922State of North Carolina Department of Environment and Natural Resources Division of Water Quality James B. Hunt, Jr., Governor Bill Holman, Secretary Kerr T. Stevens, Director September 22, 2000 Mr. Robert K. Fisher, P.E., Director Department of Public Works and Utilities Town of Cary Post Office Box 8005 Cary, North Carolina 27512-8005 '44lkr?W,A '710 0 2 0V Am NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Subject: Correction to Permit No. WQ0018379 Town of Cary South Cary Water Reclamation Facility Bulk Reclaimed Water Distribution Program Wake County Dear Mr. Fisher Per a request from Camp Dresser & McKee dated August 31, 2000. We are forwarding here within corrected pages 4 and 5 of Permit Number WQ0018379. The following corrections have been made to the permit: 1. Monitoring for CBOD has been corrected to BOD;. Please replace pages 4 and 5 with the corrected pages 4 and 5 . into Permit No. WQ0018379 issued August 4, 2000. If you need any additional information concerning this matter, please contact Sue Homewood at (919) 733-5083 extension 502. z %Kerr T. Stevens cc: Wake County Health Department Raleigh Regional Office, Water Quality Section Kelly R. Boone, Camp Dressor &, McKee Non -Discharge Compliance/Enforcement Unit Permit File WQ0018379 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone (919) 733-5083 Fax (919) 733-0719 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper _J 4. Bulk reclaimed water shall not be distributed for land -based uses nor shall reclaimed water be used for land -based activities during inclement weather or when the ground is in a condition that will cause runoff. 5. The Permittee shall implement adequate measures to prevent reclaimed water runoff from the application areas. 6. The bulk reclaimed water distribution program and facilities shall be effectively maintained and operated as a non -discharge system to prevent the discharge of any reclaimed water resulting from the operation of the program and its associated facilities. 7. No type of reclaimed water other than that from South Cary Water Reclamation Facility shall be distributed through the bulk reclaimed water distribution program and facilities. 8. All wastewater shall either be routed to the headworks of the reclaimed water facility or discharged in strict accordance with the conditions of the facility's existing NPDES permit 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 levels have stabilized below these maximum levels. 9. All reclaimed water distributed, but not used within a period not to exceed 72 hours from the time of distribution, shall be reintroduced at the headworks of the reclaimed water facility for treatment. III. 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. As an indicator of proper operation and maintenance, the water reclamation facility shall produce an effluent in compliance with the following limitations: Parameter Monthly Average Dail (Instantaneous) Maximum C Distributed Flow 100,000 GPD BODE (5-day, 20°C) 10 mg/l 15 mg/1 NH3 as N 4 mg/1 6 mg/I TSS 5 mg/1 10 mg/l Fecal Colifonn 14 per 100 ml n 25 per 100 ml Turbidity 10 NTU a 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. 4 The effluent from the subject facilities shall be monitored, by the Permittee, at the point prior to discharge to the bulls reclaimed water distribution facilities for the following parameters: Parameter Sampling Point Sampling Frequency- - Type of Sample Distributed Flow Effluent Turbidity Effluent BODS (S-day, 20°C) Effluent NH3 as N Effluent TSS Effluent As Distributed Recording Continuous Recording Daily Composite Daily Composite Daily Composite Fecal Coliform Effluent Daily Grab The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard units. 3. The Permittee shall maintain applications of all approved tank trucks and drivers on file for the duration, not less than one year, that the driver participates in the bulk reclaimed water distribution program. 4. Adequate records shall be maintained by the Permittee that tracks the amount bulk reclaimed water distributed. These records shall include, but are not necessarily limited to the following information: a. Date and time of distribution, b. Volume of reclaimed water distribution, c. Intended uses of reclaimed water, d. Locations of intended uses, e. Names and approval status of truck operators,* £ Approval status of trucks, g. Compliance status of the water reclamation facility, and h. Weather conditions. 5. Three copies of all operation and distribution records (as specified in Condition III. 4.) shall be submitted on the "Town of Cary SCWRF Bulk Reclaimed Water Distribution Program Daily Monitoring Report" form attached to this permit and made a part thereof on or before the last day of the month following the month that was monitored. Three copies of all effluent monitoring data (as specified in Condition III. 2.) on Form NDMR-1 shall be submitted on or before the last day of the month following the month that was monitored. 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 Noncompliance Notification: The Permittee shall report by telephone to the Raleigh Regional Office, telephone number (919) 571-4700, 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 water reclamation 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.