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HomeMy WebLinkAboutNC0020656_Performance Annual Report 2009_20100129General Information Facility/System Name: Responsible Entity: Annual Performance Report 2009 FEB 17 2010 DENR-WATER QUALITY POINT SOURCE BRANCH .-- City of.Laurinburg Leith Creek Wastewater Plant City of Laurinburg Person In Charge/Contact: Robert A. Ellis, Treatment Plants Director Applicable Permit(s) NC0020656/ WQ002526 / WQCS00062 Description of Collection System DEN k. ®F FEB 222010 DWQ The City of Laurinburg's collection system consists of 34 pump stations located throughout the system. There are 123.7 miles of gravity sewers and 24 miles of force mains. Our Leith Creek Plant consist of two types of treatment, one extended aeration plant, consisting of 2 aeration basins, 2 clarifiers, 2 chlorine contact chambers and one return sludge pump station with 3 pumps, total capacity 2.0 million gallons per day (MGD). The second plant is an oxidation ditch style with 1 clarifier, 1 chlorination point and 1 return sludge pump station with 3 dual speed pumps, total capacity 2.0 MGD, for a total treatment capacity of 4.0 MGD. The facility has 2 aerobic digesters, (1) 150,000-gallon tank and (1) 650,000-gallon tank with course air diffusers. Summary of System Performance for Calendar Year 2009 The discharge from the City of Laurinburg's Leith Creek Wastewater Treatment Plant met all permit requirements and had no Notice of Violation (NOV) for the year of 2009. Summary of Sanitary Spills/Overflows: Months Location Volume 11/11/09 Manhole At Wall and Carver Street 6,000 Gallons Summary of Sanitary Spills/Overflows (continued): Sanitary sewer overflow events in which volumes exceeding 1,000 gallons overflowed and reach surface waters are included in the monthly estimates and are shown separately as follows: Date - Location Gallons Description 11/11/09 Wall & Carver 6,000 St. Manhole Excessive Flow due to Tropical Storm Ida. *Note the overflows listed resulted in no environmental impact. Notification Corrective Measures Continuing to perform smoke testing and visual inspections more frequently. This Annual Performance Report will appear on the City of Laurinburg's web site http://www.laurinburg.org and a statement on our Consumer Confidence Report (CCR) will inform citizens that the Annual Report is available via internet or upon request. Certification I certify under penalty of law that this report is complete and accurate to the best of my knowledge. I further certify that this report has been made available to the users or customers of the named system and that those users have been notified of its availability. Robert A. Ellis Treatment Plants Director City of Laurinburg January 29, 2010