Maricopa
Is Maricopa tap water safe to drink?
Generally acceptable, but review local hotspots — score 75/100. This report aggregates EPA drinking water data across 10 local systems in Maricopa. We found 1375 total violations (166 unresolved).
Real-Time Environment
Live: 04:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Maricopa.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Maricopa?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Filter or no filter for Maricopa water? Here's what the data says.
Baby Formula Safety
What new parents in Maricopa should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Maricopa, but it can affect plumbing longevity and appliance lifespan. With a score of 75/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Maricopa
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Maricopa.
Frequently Asked Questions
Is Maricopa tap water safe to drink?
Generally acceptable, but review local hotspots — score 75/100.
How many water systems serve Maricopa?
Maricopa is served by 10 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Maricopa?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Maricopa.
What is the water quality score for Maricopa?
The water quality score for Maricopa is 75 out of 100, based on EPA contaminant data, violation history, and testing results across the 10 systems serving the city.
What are the top contaminants in Maricopa?
The top contaminants detected in Maricopa include Lead (90th percentile). View detailed information on our contaminants page.
Maricopa Water Quality Summary
Maricopa, AZ receives a water quality score of 75/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 10 public water systems serving the area.
Maricopa's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.
Maricopa's score of 75 is 20 points above the Arizona state average of 55, and below the nationwide average of roughly 78/100 across all U.S. states.
Homebuyers looking at this mid-size Arizona city will find that its tap water meets a solid, above-average standard, indicating a reliable supply that nonetheless has room for improvement. Delivering water through multiple municipal systems is a complex task in the arid Desert Southwest, where Maricopa operates as a fast-growing urban center reliant on groundwater. Consequently, while the city achieves a good overall quality rating, the reliance on groundwater in a dry, expanding urban environment means residents should stay informed about their local water systems.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Arizona water quality rankings report →
Key Contaminants
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Water Systems Serving Maricopa (10)
Thunderbird Farms Dwid
DGw Farmers Water Co - Santa Rita Springs
AGw Santa Cruz Water Co
FGw Saguaro Dist Water Co - Las Quintas
BGw Farmers Water Co - Continental
CGw Santa Cruz Water Co - Red Rock
AGw Santa Cruz Water - Maricopa Sw
AGw Ocotillo Water - Catalina
AGw Ocotillo Water - Rancho Del Sol Lindo
AAk-Chin Village
CCheck Your Specific Address
Water quality can vary by neighborhood in Maricopa.
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Compare Maricopa water quality: View all states · Contaminant library · How we score water quality