Tap water in Salt Lake City, UT — ZIP 84121
3 public water systems serving about 497,947 people. PFAS "forever chemicals" have been detected here.
C
Fair
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5
testing. Levels and the 2024 federal limits are shown per system below.
Water systems serving 84121
Salt Lake City Water System
PWSID UTAH18026 · serves 383,612 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 18.2 ppt — above federal limit
Jordan Valley Wcd
PWSID UTAH18027 · serves 99,335 ·
surface water
0 health-based / 0 total violations (5 yrs)
Holliday Water Company
PWSID UTAH18010 · serves 15,000 ·
surface water
0 health-based / 0 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology