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Home My WebLink AboutNC0040070_Fact Sheet_19780623IORTH CAROLINA DEPARTMENT OF NATURAL RESOURCES AND COMMUNITY DEVELOPMENT ENVIRONMENTAL MANAGEMENT COMMISSION FACT SHEET APPLICATION FOR NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM PERMIT TO DISCHARGE TREATED WASTEWATER Application No. NC 0040070 Date: June 23, 1978 1. SYNOPSIS OF APPLICATION a. Name and Address of Applicant City of Gastonia Post Office Box 1748 Gastonia, North Carolina 28052 b. Description of Applicant's Operation The City owns and operates a water treatment plant which serves the City of Gastonia and its environs. c. Nature of Wastewater Filter backwash water and sludge from settling basins. d. Applicant's Receiving Waters Unnamed tributary to Long Creek; classified Class "C"; suitable for fish and wildlife propagation as well as fishing, boating, wading and any other usage except as a source of water supply for drinking, culinary, or food processing purposes; the 7-day 10-year low flow is estimated at 0 cfs. e. Description of Existing Pollution Abatement Facilities There are no existing wastewater treatment facilities at the Gastonia water treatment plant. The filter backwash water and wastewater from the settling basins are discharged directly to the surface waters without treatment. The City proposes to construct a collection system at the water treatment plant and discharge the wastewater to the existing sewerage system for treatment at the Long Creek Wastewater Treatment Plant. f. Description of Discharges No self -monitoring data is available Pollutants which are present in significant quantities or which are subject to effluent limitation are as follows: Effluent Characteristic Reported Load (Specify Units) Average Maximum None Reported PROPOSED INTERIM EFFLUENT LIMITATIONS The following interim effluent limitations will be included in the Special Order by Consent. Effluent Characteristic Discharge Limitation kg/day(lbs/day) Other Limitations Specify Units Monthly Weekly Monthly Weekly Average Average Average Average TSS 600 mg/l 900 mg/l Settleable Matter 75 ml/1 100 ml/l Temperature pH 6-9 s.u. *The temperature of the effluent shall be such as to not cause a temperature in the receiving stream of 50F above ambient stream water temperature. 2B. PROPOSED FINAL EFFLUENT LIMITATIONS The City has proposed to cease the discharge to the surface waters by discharging to the City's sewerage system for treatment at the Long Creek Wastewater Treatment Plant. However, the following final effluent limitations will be included in the NPDES Permit. Effluent Characteristic Discharge Limitation k /da ibs/da Other Limitations Specify Units Monthly Weekly Monthly Weekly Average Average Avera e Average Flow 1.2 MGD TSS 136.2(300.2) 204.3(450.4) 30 mg/l Settleable Matter 0.10 ml/l Effluent D. 0. (Minimum) 5 mg/l Turbidity (Above Background) 50 JTU pH 6-9 s.u. Temperature 45 mg/l 0.15 ml/l 5 mg/1 50 JTU The temperature of the effluent shall be such as to not cause a temperature in the receiving stream of 5oF above ambient stream water temperature. 3. MONITORING REQUIREMENTS The applicant will be required to monitor regularly for flow and those parameters limited in Section 2 above with sufficient frequency to insure compliance with the permit conditions. Frequency, methods of sampling, and reporting dates will be specified in the final permit. Page Three PROPOSED COMPLIANCE SCHEDULE FOR ATTAINING EFFLUENT LIMITATIONS ; r a. Submit plans and specifications on or before January 31, 1979. b. Start construction on or before April 30, 1979. c. Submit a progress report on or before November 30, 1979. d. Complete construction on or before May 31, 1980. 5. PROPOSED SPECIAL CONDITIONS WHICH WILL HAVE A SIGNIFICANT IMPACT ON THE DISCHARGE The discharge to the surface waters of the State shall be ceased on or before May 31, 1980. 6. WATER QUALITY STANDARDS AND EFFLUENT STANDARDS APPLIED TO THE DISCHARGE Effluent limitations are based on best practicable control technology currently available and will meet State and Federal water quality standards of Class "C" waters. 7. PROCEDURES FOR THE FORMULATION OF FINAL DETERMINATIONS a. Comment Period The Division of Environmental Management proposes to issue an NPDES permit to this applicant subject to the effluent limitations and special conditions outlined above. These determinations are tentative. Interested persons are invited to submit written comments on the permit application or on the Division of Environmental Management's proposed determinations to the following address: DIVISION OF ENVIRONMENTAL MANAGEMENT WATER QUALITY SECTION POST OFFICE BOX 27687 RALEIGH, NORTH CAROLINA 27611 All comments received prior to will be considered in the formulation of final determinations with regard to this application. b. Public Hearing The Director of the Division of Environmental Management may hold a public hearing if there is a significant degree of public interest in a proposed permit or group of permits. Public notice of such a hearing will be circulated in newspapers in the geographical area of the discharge and to those on the Division of Environmental Management's mailing list at least thirty days prior to the hearing. Following the public hearing, the Director of the Division of Environmental Management may make such modifications in the terms and conditions of the proposed permit as may be appropriate and shall issue or deny the permit. Notice of issuance or denial will be circulated to those who participated in the hearing and to appropriate persons on the Division of Environmental Management's mailing list. Nage tour If the permit is issued, it will become effective 30 days following date of issuance and will be the final action of the Division of Environmental Management unless an appeal hearing is granted. c. Appeal Hearings An applicant whose permit is denied, or is granted subject to conditions he deems unacceptable, shall have the right to a hearing before the Commission upon making written demand to the Director within 30 days following notice of final decision to deny or grant the permit. d. Issuance of the Permit When No Hearings Are Held If no public hearing or appeal hearing is held, and after review of the comments received, the Division of Environmental Management's determinations are substantially unchanged, the permit will issue and become effective immediately. This will be the final action of the Division of Environmental Management. If no hearings are held, but there have been substantial changes, public notice of the Division of Environmental Management's revised determinations will be made. Following a 30-day comment period, the permit will issue and become effective immediately and will be the final action of the Division of Environmental Management, unless a public or appeal hearing is granted.