San Luis
Tap water in San Luis is medium risk. Had a health violation recently, since fixed.
Is it safe?
San Luis City of
Medium risk
Had a health violation recently, since fixed
2 health-based violations began in the last 3 years. 0 are still unresolved.
Serves about 39,705 people.
Source water: groundwater.
Last health violation began 2026-04-01.
The violations involved Groundwater Rule, TTHM.
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 San Luis, Arizona?
Tap water in San Luis is medium risk. Had a health violation recently, since fixed.
Where do these ratings come from?
US EPA Safe Drinking Water Information System. Period covered: October 2023 to September 2026.