Monday, March 4, 2024

CFPUA says PFAS levels in Cape Fear hit highest concentration since last year

CFPUA has detected the highest concentration of PFAS in the Cape Fear River since last year (Port City Daily photo / CFPUA)
CFPUA has detected the highest concentration of PFAS in the Cape Fear River since last year (Port City Daily photo / CFPUA)

WILMINGTON — Cape Fear Public Utility Authority’s weekly monitoring of PFAS levels show that the highest concentration since last September has been detected.

“Analysis of raw water sampled June 3 showed total PFAS at 262 parts per trillion (ppt). CFPUA recently completed interim measures to help filter PFAS, which appear to be performing as expected: Levels of PFAS in finished, treated water from Sweeney during the same round of testing were 119 ppt,” according to CFPUA.

Once again, the Chemours chemical plant is being blamed for the contamination which is located about 100 miles upstream from Wilmington.

“PFAS compounds have consistently been detected in raw water from the Cape Fear, even after state regulators suspended Chemours’ privilege to discharge its wastewater in November 2017. Since then PFAS levels have fluctuated, spiking to 297 ppt in September 2018. The overall trend of raw water concentrations since permitted discharges ceased appears to be about 100 ppt,” CFPUA said.

“Stopping Chemours’ permitted discharges have helped reduce PFAS in the Cape Fear River,” said CFPUA Executive Director Jim Flechtner. “But what we’ve seen in our monitoring indicates that we can expect to see PFAS in our raw water at varying concentrations for many years to come.”

CFPUA is working on the construction of a $46 million filtration project for the Sweeny Treatment Plant.

“In November, construction will begin on eight new deep-bed Granular Activated Carbon filters at Sweeney. That $46 million project, slated to be operational by early 2022, is expected to reduce PFAS levels by an average of 90 percent. Paying for the new filters will add about $5 per month to the average CFPUA customer’s bill, starting in 2022, CFPUA said in its press release.

“CFPUA believes Chemours, not our customers, should be paying for the steps being taken by those affected by the company’s decades of PFAS releases. A federal civil lawsuit has been filed that seeks to force the company to step up to that responsibility,” the release concluded.


 

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