Tap water in Jefferson City, MO — ZIP 65109
3 public water systems serving about 59,730 people. PFAS "forever chemicals" have been detected here.
D
Poor
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 65109
Mo American Jefferson City District
PWSID MO3010409 · serves 30,075 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 7.2 ppt
Cole County Pwsd 1
PWSID MO3024159 · serves 16,548 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 5.8 ppt — above federal limit
Cole County Pwsd 2
PWSID MO3024160 · serves 13,107 ·
groundwater
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