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