Maricopa
Tap water in Maricopa comes from 3 water systems: 1 low risk, 1 medium 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?
Ak-chin Village
High risk
Has an unresolved health violation, so check local advice
2 health-based violations began in the last 3 years. 1 is still unresolved.
Serves about 11,646 people.
Source water: surface water.
Last health violation began 2026-04-01.
The violations involved Stage 1 Disinfectants and Disinfection Byproducts Rule, Interim Enhanced Surface Water Treatment Rule.
Is it safe?
Gw Santa Cruz Water Co
Medium risk
Had a health violation recently, since fixed
1 health-based violation began in the last 3 years. 0 are still unresolved.
Serves about 84,000 people.
Source water: groundwater.
Last health violation began 2025-08-01.
The violations involved Revised Total Coliform Rule.
Is it safe?
Gw Santa Cruz Water Co - Red Rock
Low risk
Meets federal drinking water standards
No health-based violations began in the last 3 years, and none are unresolved.
Serves about 4,248 people.
Source water: groundwater.
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 Maricopa, Arizona?
Tap water in Maricopa comes from 3 water systems: 1 low risk, 1 medium 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.