Tap water in Kalispell, MT — ZIP 59901
2 public water systems serving about 34,520 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 59901
Kalispell Public Works
PWSID MT0000259 · serves 25,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.6 ppt — above federal limit
Flathead County Water And Sewer
PWSID MT0001744 · serves 9,520 ·
groundwater
0 health-based / 1 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