Vacaville
Tap water in Vacaville comes from 3 water systems: 2 low risk, 1 high risk. Has an unresolved health violation, so check local advice where the rating is high risk.
3 official water systems are listed for this town. Each keeps its own rating.
Is it safe?
Suisun-solano Water Authority
High risk
Has an unresolved health violation, so check local advice
10 health-based violations began in the last 3 years. 1 is still unresolved.
Serves about 29,105 people.
Source water: surface water.
Last health violation began 2024-10-17.
The violations involved TTHM, LEAD AND COPPER RULE REVISIONS.
Is it safe?
California State Prison - Solano
Low risk
Meets federal drinking water standards
No health-based violations began in the last 3 years, and none are unresolved.
Serves about 3,882 people.
Source water: surface water.
Is it safe?
City of Vacaville
Low risk
Meets federal drinking water standards
No health-based violations began in the last 3 years, and none are unresolved.
Serves about 99,650 people.
Source water: surface water.
Source
US EPA Safe Drinking Water Information System.
Period covered: October 2023 to September 2026.
Covers community water systems serving 3,300 people or more. The rating uses health-based violations of federal drinking-water standards in the last three years, and whether those violations have been fixed. Each system is placed at a town it serves, so positions are approximate.
Common questions
Can I drink the tap water in Vacaville, California?
Tap water in Vacaville comes from 3 water systems: 2 low risk, 1 high risk. Has an unresolved health violation, so check local advice where the rating is high risk.
Where do these ratings come from?
US EPA Safe Drinking Water Information System. Period covered: October 2023 to September 2026.