HomeMy WebLinkAboutNC0026565_Report_20240806 Ramseur
Where Family and Friends Meet
TOWN OF RAMSEUR
724 Liberty Street, PO Box 545
Ramseur,North Carolina 27316
336-824-8530
COMMISSIONERS MAYOR TOWN CLERK/FINANCE OFFICER
Tresa Hatchett,Mayor Pro Tern Hampton L.Spivey Carol Akers
J.C.Parrish
Diana Brower DEPUTY TOWN CLERK/FO
Joy Kearns
Debra Rhamy
July 31,2024 RECEIVED
NCDEQ/Division of Water Resources AUG 0 6 2024
NPDES Permitting
1617 Mail Service Center Raleigh,NC 27699-1617 NODE
Q/DWR/NPDES
RE: Copper Compliance Schedule NC0026565
Enclosed, please find a report summarizing the actions taken and outcomes to present to achieve compliance with
the Copper limits at outfall 001 for the Town of Ramseur Wastewater Treatment Plant. The report is being
provided in order to meet the NPDES permit requirement of Part I,A.(4.) Schedule of Compliance for Copper
Limitations. The Town has already achieved compliance with the permit requirements.
Should you have any questions or require additional information, please do not hesitate to contact me at the phone
number or email listed below.
Regards,
Terry Lewallen
Wastewater Operator in Responsible Charge
t.lewallen@TownofRamseur.org
Cell (336)267-1875
rtamseur
Where Family and Friends Meet
Town of Ramseur, NC0026565
Compliance with NPDES Permit Copper Limit
July 2024
Permit Effective Date, May 1, 2022
1) Background / Requirement
The Town of Ramseur received a renewal of NPDES Wastewater Plant discharge permit number NC0026565,
effective May 1, 2022.The renewed permit contained new and changed requirements, including a Total Copper
limit with a compliance schedule, Part 1,Section A (4), SCHEDULE OF COMPLAINCE FOR COPPER LIMITATIONS.
This report is being provided to the North Carolina Division of Water Resources in response to item 3 of the
compliance schedule.
2) Summary of Actions Taken to Achieve Compliance with the Copper Limit
The Town of Ramseur was using an operating procedure for treatment of algae in the lagoon.The treatment
used was cupric sulfate.The use of cupric sulfate lead to the effluent having high levels of copper.This operating
procedure is no longer used at the plant.As a result,the effluent discharge has been compliant with the copper
limit since at least the beginning of 2022,with an average of 0.014 mg/L, and a maximum of 0.024 mg/L.
3) Copper Data for NC0026565
See next pages for a table and a graph of copper data for NC0026565 beginning in 2022 to present.
Ramseur NC0026565 Copper Limit Compliance Report
Figure 1: Summary of Copper Data Beginning 2022
COPPER
Influent Used in Effluent Used in
Sample Date < mg/L Calculation < mg/L Calculation
3/15/2022 0.036 0.036
6/14/2022 0.035 0.035 < 0.01 0.005
7/26/2022 0.01 0.010
8/18/2022 0.006 0.006
9/15/2022 a _ 0.005 0.005
9/20/2022 010-1 0 104 0.005 0.005
10/20/2022 0.005 0.005
11/15/2022 0.005 0.005
12/15/2022 0.006 0.006
12/20/2022 0032 0 032 0.006 , 0.006
1/19/2023 0.009 1 0.009
2/19/2023 0.019 0.019
3/9/2023 0.042 0.042
3/14/2023 0 031 0 031 0.052 0.052
4/20/2023 _ 0.030 0.030
5/16/2023 0.007 0.007
6/13/2023 0.005 , 0.005
7/20/2023 0.007 0.007
8/17/2023 0.008 0.008
9/12/2023 0.007 0.007
9/21/2023 0.007 0.007
10/19/2023 0.008 0.008
11/16/2023 0.009 0.009
12/7/2023 0.022 0.022
12/12/2023 0.012 0.012
1/16/2024 0.011 0.011
2/15/2024 0.024 0.024
3/12/2024 - 0.011 0.011
4/16/2024 0.024 0.024
Column Averages=> 0.0505 _ 0.0138966
MAX _ 0.0240
1 average of duplicates 1 NIIN 0.0050
Page 2 of 3
Ramseur NC0026565 Copper Limit Compliance Report
Figure 2: Chart, Copper Data Beginning 2022, Showing NPDES Permit Limits
Town of Ramseur Effluent Copper Concentrations
0.25
0.2
i
0.15
- --0—Effluent mg/L
E --- Monthly Limit,mg/L
0 1 —Daily Max,mg/L
0.05
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9° re'+ N 8 LP F+
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Page 3 of 3