NC0020656_Annual Performance_20240122

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P.O. Box 249 Laurinburg, NC 28353
910-277-0214
January 17, 2024
NC Division of Water
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: System Performance Annual Report
City of Laurinburg
To: NC Division of Water
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Please find enclosed our Annual Performance reports for 2023. This will include
4 facilities: City of Laurinburg Water Treatment Plant, Pilkington, Leith Creek Wastewater Plant and
City of Laurinburg Collections.
Sincerely,
Michele Grooms
Records and Operations Aide
City of Laurinburg Water Treatment Plant

Annual Performance Report 2023
General Information
Facility/System Name: City of Laurinburg Leith Creek Wastewater Plant
Responsible Entity: City of Laurinburg
Person in Charge/Contact: Dixon Medlin, Director/ORC
Applicable Permit(s) NC0020656 / WQ002526
Description of Leith Creek Wastewater Plant
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, combined 4.0 total
permitted flow. The facility has 2 aerobic digesters, (1) 150,000-gallon tank and (1) 650,000-
gallon tank with course air diffusers.1 de-chlor point at Dana Dr./74 bypass Effluent pump
station.
The City of Laurinburg is now participating in an effort to make available educational
information regarding sources of household mercury and appropriate use/disposal practices.
This program will facilitate public awareness regarding community collection points for
mercury -containing products from residents/customers for proper disposal. Periodic reminders
of such collection programs will be provided as part of the City of Laurinburg's Leith Creek
WWTP.
Summary of System Performance for Calendar Year 2023
The discharae from the Citv of Laurinburq's Leith Creek Wastewater Treatment Plant
met all permit requirements except for the following months.
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.
4/23/23 - Monthly flow over 4MGD avg limit due to excessive rain April/23 3.95".
• Annual Average Daily Flow — 3,272,000 (gallons per day)
• Maximum Daily Flow/Date — 6,899,000 gallons April 23, 2023
• Total Annual Flow- 1,211,000 Gallons
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.
Dixon Medlin, Treatment Plants Director, City of Laurinburg