Salt Lake County · Utah · EPA UCMR5 occurrence (2023-2025 monitoring) 2026Q2
PFAS (combined) in Salt Lake City water
PFAS detected above the federal limit in Salt Lake City.
PFAS (combined)
Violation on record
Detected above the EPA's 4 ppt limit for PFOA/PFOS — the "forever chemicals" linked to cancer and immune effects. Compounds found: PFHxA, PFHxS, PFOS, PFPeA.
EPA records reflect the public water system, not your home's plumbing. Health-based goals (EPA MCLG / WHO) are health targets and are often stricter than the federal legal limit (the MCL). A utility appearing on this list does not by itself mean the water is unsafe to drink. The only way to know what is in your specific home is to test your own water.
The health-based goal vs. the legal limit
The federal legal limit (MCL) is the maximum allowed by law. The health-based goal (EPA MCLG / WHO) is a stricter health target — not itself a legal limit.
Health-based goal (EPA MCLG / WHO)
1 ppt
Federal legal limit (MCL)
4 ppt
Source: EPA MCL / MCLG; WHO guidelines · 2026
What removes PFAS (combined)
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Semipermeable membrane filtration
Reverse Osmosis
Pushes water through a fine membrane that removes the dissolved solids most filters miss.
Look for: NSF/ANSI 58 certification
How it works→Activated carbon adsorption
Whole-House Carbon Filter
A point-of-entry carbon bed that strips chlorine, chloramine, and chemical taste from every tap.
Look for: NSF/ANSI 42 certification
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