Tap water in Parker, CO — ZIP 80138
2 public water systems serving about 86,816 people. PFAS "forever chemicals" have been detected here.
F
Failing
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 80138
Parker Wsd
PWSID CO0118040 · serves 75,949 ·
surface water
0 health-based / 6 total violations (5 yrs)
· PFAS up to 14 ppt — above federal limit
Cottonwood Wsd
PWSID CO0118020 · serves 10,867 ·
surface water
0 health-based / 9 total violations (5 yrs)
· PFAS up to 6.2 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology