One or more PFAS compounds exceed EPA Maximum Contaminant Levels. This is not a current violation — the federal compliance deadline is April 2029 (a proposed extension to 2031 is not final). These are UCMR 5 results from 2023 to 2025; the system may have installed treatment since.
Key contaminants vs MCL
PFOA4.8 ppt(MCL: 4 ppt)
PFOS8.1 ppt(MCL: 4 ppt)
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: April 26, 2029 under the current rule.
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As printed in the state's own documents. Amounts are not added together: each is a different kind of figure.
Aug 6, 2025 · This is an engineering planning and design project for the Lake Murray WTP PFAS Removal Facilities to add granular activated carbon (GAC) to NCWSA’s existing WTP following filtration to remove PFAS contaminants regulated under the Environmental Protection Agency’s (EPA) recently enacted PFAS Regulation. The new facilities will include two GAC trains (for redundancy and peak day flows) of two GAC pressure vessels per train. In addition to engineering design of PFAS Removal Facilities, a GAC pilot-scale study will be conducted as a product selection tool for the type of GAC media to be used for treatment. · $1.2M
On SRF fundable list (Provisional Priority List). Source →
Oct 22, 2024 · The project will include an evaluation of treatment options for emerging contaminants, specifically PFAS. Bench-scale testing of powdered activated carbon (PAC) products for PFAS removal will be conducted. In addition, desktop modeling of granular activated carbon (GAC)/ion exchange (IX)/Fluorosorb will be conducted to determine the most promising options for PFAS removal. Rapid small scale column tests (RSSCT) will be performed on the most promising options. · $265k
On SRF fundable list (Provisional Priority List). Source →