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Home My WebLink AboutNC0072877_NPDES Draft Permit_20060802Gerald W. Darden, Mayor Town of Newton Grove. PO Box 4 Newton Grove, NC 28366 August 2, 2006 Michael F.jEasley, Governor State of North Carolina William G. Ross, Jr., Secretary Department of Environment and Natural Resources Alan W. Klimek, P.E., Director Division of Water Quality P i : e Pa FRO AULi. 0 3 2OQ6 D1NQ Subject Draft NPDES Permit. Permit No. NC0072877 Newton Grove WWTP Sampson County Dear Mayor Darden: - A draft copy of NPDES permit NC0072877 is attached to this letter for your review and comment. Please review the draft carefully to ensure thorough understanding of the pernut conditions.` Please be advised that the following changes have been incorporated into the permit renewal: > Your expiration date for this permit has been changed to October 31, 2011. > Limits for aminonia have been placed in your permit. This is a result of U.S. Environmental Protection Agency requirements to develop daily maximum restrictions for every non - municipal permit that has a monthly average limit. Submit any comments to me no later than thirty days following your receipt of the draft. Comments should be sent to the address listed at the bottom of this page. If no adverse comments are received from the public or from you, this permit will likely be issued within two months. If you have any questions or comments concerning this draft permit, contact me at 919-733-5083 Ext. 520. Sincerely, Frances Candelaria NPDES Unit cc: NPDES Unit t etteville.R oral ®five �St rfacel�Wi iMrotechoii. North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 (919) 733-5083, Ext.510 FAX (919) 733-0719 On the Internet at,http://h2o.enr.state.nc.us/ Permit NC0072877 STATE, OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY PERMIT TO DISCHARGE WASTEWATER UNDER THE NATIONAL PO UTANT DISCHARGE ELIMINATION SYS 1LM 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, the Town of Newton Grove is hereby authorized to discharge wastewater from a facility located at the Newton Grove WWTP Pork Chop Hill Road: Sampson County to receiving waters designated as Beaverdatn Swamp in the Cape Fear 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. This permit and authorization to discharge shall expire at midnight on October 31, 2011. Signed this day. DRAFT Alan W. Klimek, P.E., Director Division of Water Qrlity By Authority of the Environmental Management Commission Permit NC0072877 SUPPLEMENT TO PERMIT COVER SHEET All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked. As of this permit issuance,. any previously issued permit bearing this number is no longer effective. Therefore, theexclusive authority to operate and discharge from this facility arises under the. permit conditions, requirements, terms, and provisions included herein. The Town of Newton Grove is hereby authorized to: 1 . Continue to operate an existing 0.125 MGD wastewater treatment facility with the following components: • ♦ Manual bar screen • Equalization basin • Circular one -rotor aerated oxidation ditch • Clarifier • • Weir • Sludge pump station. ♦ lack up generator • Rectangular traveling bridge sand filter ♦ ..Ultraviolet disinfection • Cascade post -aeration • Ultrasonic open -channel flow meter with totalizer • Aerobic sludge' digester This facility is located south of Newton Grove off Pork Chop Hill Road ati the Newton Grove WWTP in Sampson County. 2. Discharge from said treatment works at the location specified on the attached map into Beaverdam Swamp, classified C-Swamp waters in the Cape Fear River Basin. .- ' _,..,. �:'" i" ♦; If. f. 0 • It1 yI1 . !' ♦�11i. t �i11 ,..,,,,_,,,,;.,e,: ...........4_,... ,....„..„-_,,...:1_,..: .:..............,,,..,„„ ....:. \,.-;117.-.4,........ ti� . c ■ I • I '‘..• II: /° t- • �•�t 000ft`_: • ,• •`1 ...7! . . ♦ • r ♦ • , d.111 y rI�•. 1r �' 1 !! 1�t C -1 • .I . �— - Latitude: 35°13'30" Longitude: 78°21'32" Quad # G25NE Receiving Stream: Beaverdam Swamp Stream Class: C-Swamp Subbasin: 30619 NC0072877 Newton Grove WWTP Fay Location Location North SCALE 1:24000 Permit NC0072877 A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS, During the period beginning on.the .effective date of this permit and lasting until:expiration, the Permittee is authorized to discharge from outfall 001. Such discharge's shall be limited and monitored by the Permittee as specified below ;EFFLUENT CHARACTERISTICS LIMITS -MONITORING REQUIREMENTS • Monthly Weekly . Average. ', Dail y *. . Maximum Measurement , Frequency, Sample Type Sample Locationl .. Flow 0.125. MGD - . Continuous Recording Influent or Effluent BOD, 5 day (20°C)2, (April 1— October 31) 5.0 mg/L 7.5 mg/L Weekly " Composite Influent & Effluent BOD, 5 day (20°C)2 (November 1— March 31) 10.0 mg/L 15.0 mg/L Weekly Composite.. Influent & Effluent Total Suspended Solids2 30.0 mg/L 45.0 mg/L Weekly Composite Influent & Effluent NH3 as N (April 1— October 31) 2.0 mg/L 6.0 mg/L ' Weekly Composite Effluent NH3 as N (November 1— March 31) 4.0 mg/L 12.0 mg/L Weekly Composite Effluent Dissolved Ox gen3 - Y Weekly Grab Effluent, Upstream & Downstream Fecal Coliform (geometric mean) 200/100 ml 400/100 ml Weekly _ Grab Effluent, Upstream & Downstream Total Residual Chlorine4 25 pg/L 2/Week Grab• Effluent Total Nitrogen 1/Month6 Composite Effluent Total Phosphorus8 1/Month6 Composite Effluent Temperature (°C) Weekly Grab Effluent, Upstream & Downstream pH5 Weekly Grab ;' Effluent Footnotes:- . •. 1. •' Upstream = at least 50 feet upstream from -the outfall. Downstream = near mouth ofBeaverdam Swanip. 2: - The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15% of the respective influent value: (85%removal). 3: The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/L. 4: Monitoring is required. only, if chlorine is used for. disinfection. . 5 'The pH shall not be less than 6.0 standard units nor greater than 9.0 standard: units: • 6: From effective date through 12/31/08. 7. TN TKN + NO3` N + NO2-N, where TN is Total Nitrogen, TKN is Total Kjeldahl Nitrogen, and,NO3-N and NO2-N. are Nitrate and Nitrite Nitrogen,'respectively. .. . 8 The quarterly average for total phosphorus shall bethe average of samples collected weekly during each calendar quarter (January -March, April June, July -September, October -December). There shall be no discharge of floating solids or visible foam in other than trace amounts: Permit NC0072877 A.(2.) SUPPLEMENTAL NUTRIENT MONITORING REQUIREMENTS Beginning on January 1, 2009, and lasting until expiration, the nutrient monitoring frequencies specified in Condition A.(1.) shall increase as follows: TKN (mg/L) ONITORING REQUIREMENTS easurement Frequency•:;'• 3/Week NO3-N + NO2-N (mg/L) 3/Week Total Nitrogen (mg/L) 3/Week Total Phosphorus (mg/L) 3/Week The Division may, upon written notification, reduce these measurement frequencies or postpone the effective date of this condition if it determines that fewer data are sufficient for modeling purposes or it postpones its modeling in the Middle Cape Fear River.