NC0020656_Performance Annual Report 2010_20110228

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OFFICE OF THE TREATMENT PLANTS DIRECTOR
General Information
Ev3AR 2 1 2011
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Annual Performance Report 2010
Facility/System Name: City of Laurinburg Leith Creek Wastewater Plant
Responsible Entity: City of Laurinburg
Person In Charge/Contact: Robert A. Ellis, Treatment Plants Director
Applicable Permit(s)
Description of Collection. System
002526F;/ WQ0S00062
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All -America City
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1956 2 3 1967
I MAR 18 2011
DENR=WADER QUALITY
POINT SOURCE BRANCH
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 dual
speed pumps, total capacity 2 0 m llion'gallons per day (MGD). " 1
•
The second plant is an oxidation ditch style with 1'clarifier, 1 chlorination point and 1 return
sludge pump stationtwith ,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) 150000-gallon tank and (1)
650,000-gallon tank with course air
Summary of System Performance for Calendar -Year 2010
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 2010.
Summary of Sanitary Spills/Overflows:
Months Location - Volume
09/30/10 1721 Berwick Drive (Bridge Creek) 37,000 Gallons
09/30/10 N. Caledonia Road 7,200 Gallons
09/30/10 Manhole at 7th Street 400 Gallons
603 LAUCHWOOD DRIVE • P.O. BOX 249 • LAURINBURG, N.C. 28353 ! PHONE: [phone] • FAX: [phone]

• 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
09/30/10 1721 Berwick Dr
Bridge Creek
09/30/10 N. Caledonia Rd.
Bridge Creek
Gallons Description
37,000 Excessive Rainfall
(4.3 Inches in 24 Hrs.)
Corrective Measures
All Equipment working
properly.
7,200 Excessive Rainfall All Equipment working
(4.3 Inches in 24 Hrs.) properly.
*Note the overflows listed resulted in no environmental impact.
Notification
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
Robert A. Ellis, Treatment Plants Director
Treatment Plants Director
City of Laurinburg
February 28, 2011