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Home My WebLink AboutNC0083551_Permit Issuance_19970709State of North Carolina Department of Environment, Health and Natural Resources Division of Water Quality James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director Mr. Bill Harvey Onslow County Water Department P.O. Box 1415 Jacksonville, North Carolina 28540 Dear Mr. Harvey: July 9,1997 Subject: NPDES Permit Issuance Permit No. NCO083551 Dixon WTP Onslow County In accordance with the application for a discharge permit received on February 4, 1997, the Division is forwarding herewith the subject NPDES permit. This permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North Carolina and the US Environmental Protection Agency dated December 6,1983. If any parts, measurement frequencies or sampling requirements contained in this permit are unacceptable to you, you have the right to an adjudicatory hearing upon written request within thirty (30) days following receipt of this letter. 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, Post Office Drawer 27447, Raleigh, North Carolina 27611-7447. Unless such demand is made, this decision shall be final and binding. Please take notice this permit is not transferable. Part II, EA. addresses the requirements to be followed in case of change in ownership or control of this discharge. This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Water Quality or permits required by the Division of Land Resources, Coastal Area Management Act or any other Federal or Local governmental permit that may be required. If you have any questions concerning this permit, please contact Mack Wiggins at telephone number (919) 733-5083, extension 542. Sincerely, Original Signed By David A. Goodrich A. Preston Howard, Jr., P.E. cc: Central Files Wilmington Regional Office Mr. Roosevelt Childress, EPA Permits and Engineering Unit Facility Assessment Unit P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone (919) 733-5063 FAX (919) 733-0719 An Equal Opportunity Affirmative Action Employer 50 % recycled / 10% post -consumer paper Permit No. NCO083551 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT, HEALTH, AND NATURAL RESOURCES DIVISION OF WATER QUALITY PERMI TO DISCHARGE WASTEWATER UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, Onslow County is hereby authorized to discharge wastewater from a facility located at Dixon Water Treatment Plant on US Highway 17 south of Dixon Onslow County to receiving waters designated as an unnamed tributary to Stones Creek in the White Oak River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, and IV hereof. This permit shall become effective August 1, 1997 This permit and authorization to discharge shall expire at midnight on June 30, 2002 Signed this day July 9, 1997 Original Signed By David A. Goodrich A. Preston Howard, Jr., P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit No. NC0083551 SUPPLEMENT TO PERMIT COVER SHEET Onslow County is hereby authorized to: 1. Continue to discharge filter backwash from a Water Treatment Facility located at Dixon Water Treatment Plant, on US Highway 17, south of Dixon, Onslow County (See Part III of this Permit), and 2. Discharge from said treatment works at the location specified on the attached map into an unnamed tributary to Stones Creek which is classified Class SA waters in the White Oak River Basin. ROAD CLASSIFICATION PRIMARY HWY UGHT-DUW ROAD. HARD OR HARD SURFACE.... - IMPROVED SURFACE... SECONDARY HWY HARD SURFACE.... m UNIMPROVED ROAD ... Latitude 34035'07" Longitude 77°27'46" Map # 129SW Sub -basin 03-05-02 Stream Class SA Discharge Code(s) 22 Receiving Stream UT to Stones Creek Design Q variable Permit expires 6/30/02 SCALE 1:24 000 0 1 MILE 0 7000 FEET 1 0 1 KILOMETER CONTOUR INTERVAL 5 FEET QUAD LOCATION Onslow County Water & Sewer NCO083551 Onslow County Dixon WTP A. (). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS FINAL Permit No. NC0083551 During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from outfall(s) serial number 001. Such discharges shall be limited and monitored by the permittee as specified below: Effluent Characteristics Discharge Limitations Monitoring ---Requirements Lbs/day Units (specify) Measurement Sample *Sample Mon. Avg. Daily Max Mon, Avg, Daily Max.. Frequency Type Location Flow Weekly Instantaneous E Total Suspended Solids 30.0 mg/I 45.0 mg/I 2/Month Grab E Settleable Solids 0.1 m l/ I 0.2 m l/ I Weekly Grab E Turbidity Weekly Grab U,D Iron Weekly Grab E Total Residual Chlorine Weekly Grab E Chloride Weekly Grab E * Sample locations: E - Effluent, U - Upstream, D - Downstream ** The discharge shall not cause the turbidity of the receiving water to exceed 25 NTU. If the turbidity exceeds these levels due to natural background conditions, the discharge level cannot cause any increase in the turbidity in the receiving water. All samples collected should be of a representative discharge. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored weekly at the effluent by grab sample. There shall be- no discharge of floating solids or visible foam in other than trace amounts: 0 7.1 Staff Review and Evaluation NPDES Wastewater Permit FACILITY INFORMATION Facility Onslow County - Dixon Water Treatment Plant NPDES No. NCO083551 Design Flow (MGD) >0.005 MGD Facility Class N/A STREAM CHARACTERISTICS Stream Name UT to Stones Creek Stream Class SA Sub -basin 030502 Drainage Area (mf2) S7Q10 (cfs) N/A - Tidal W7Q10 (cfs) 30Q2 (cfs) IWC (%) Proposed Changes Parameters Affected Basis for change(s) None Compliance Schedule: None Special Condition(s): None Permits & Engineering Comments: This is a permit renewal for a discharge of filter backwash into an unnamed tributary to Stones Creek of the White Oak River Basin. As per the operator, alum is not used for flocculation. This plant is not a reverse osmosis system and nothing has changed in the water treatment plant process. Backwash discharge is greater than 5000 GPD. Therefore, P&E will recommend existing limitations with weekly monitoring. TSS will be monitored 2/month. Regional Office Evaluation and Recommendations: /(,Q, (/GQticl& a-'o 41ta k Permit Summary NC0083551 This is a permit renewal for a discharge of filter backwash into an unnamed tributary to Stones Creek of the White Oak River Basin. As per the operator, alum is not used for flocculation. This plant is not a reverse osmosis system and nothing has changed in the water treatment plant process. Backwash discharge is greater than 5000 GPD. Therefore, ME will recommend existing limitations with weekly monitoring . TSS will be monitored 2/month.