Tap water in Niwot, CO — ZIP 80301
2 public water systems serving about 186,360 people.
A
Excellent
Water systems serving 80301
Boulder City Of
PWSID CO0107152 · serves 166,080 ·
surface water
0 health-based / 2 total violations (5 yrs)
Left Hand Wd
PWSID CO0107471 · serves 20,280 ·
surface water
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