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Roseville reports non‑detect PFOS results from UCMR5 testing, explains monitoring, customer testing and fluoride review
Summary
City water staff said quarterly UCMR5 sampling for PFOS returned non‑detect results, described continuous monitoring and sampling programs, advised customers on accredited lab testing, explained chlorine residuals and summarized that fluoride additions are tied to the city's drinking water permit while the EPA undertakes a federal review.
City water‑quality staff said Roseville continues routine monitoring and recent unregulated contaminant monitoring under UCMR5 found no PFOS detections in the samples collected from treatment plants and wells.
"I believe it was last year we went through the fifth of that iteration, the UCMR 5, and I believe there were about 29 PFOS contaminants that we had to test for. So these were quarterly sampling that we had to do at a treatment plant and at all our well sites. And I'm happy to report that after 1 year of testing, all the results came back non detect for PFOS," Water…
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