Westminster, CO water quality
Westminster, CO is served by 4 public water systems, serving 203,975 people combined. Across those systems, we count 1 health-based violation in the last 5 years. The worst Tap Grade among them is B.
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Is Westminster, CO tap water safe to drink?
4 public water systems serve Westminster, CO, with 1 health-based violation in the last 5 years across them. The worst Tap Grade among them is B. A Tap Grade summarizes public EPA compliance records; it is not a determination that water is safe or unsafe to drink.
Does Westminster's water have lead in it?
The most recent 90th-percentile lead sample is 1.3 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Westminster's water?
These systems were tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.
Source: EPA SDWIS/ECHO · Data as of 2026Q2
TapGraded presents public EPA data for information only — it is not health advice and not a determination that any water is safe or unsafe to drink. For health concerns, contact your water utility or local health department.