💧 ZIP Water Report

Tap water in Boulder, CO — ZIP 80304

1 public water system serving about 166,080 people.

A
Excellent

Water systems serving 80304

Boulder City Of
PWSID CO0107152 · serves 166,080 · surface water
0 health-based / 2 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