💧 ZIP Water Report

Tap water in Thornton, CO — ZIP 80260

3 public water systems serving about 287,070 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 80260

Thornton City Of
PWSID CO0101150 · serves 226,465 · surface water
0 health-based / 7 total violations (5 yrs) · PFAS up to 12.6 ppt — above federal limit
F
Northglenn City Of
PWSID CO0101115 · serves 48,927 · surface water
0 health-based / 0 total violations (5 yrs)
A
Federal Heights City Of
PWSID CO0101055 · serves 11,678 · surface water
0 health-based / 0 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology