Water Quality in Phoenix, AZ (85131)
EPA violation data for public water systems serving ZIP code 85131.
Active Health Violations
16 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 97% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
18,794
Population
9
Water Systems
111
Violations (5yr)
16
Health-Based
Location
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Water Systems Serving This Area (9)
Arizona Water Co - Pinal Valley
Epcor - San Tan
All resolvedGw Santa Cruz Water Co
1 health-basedArizona Water Co - Apache Junction
Cca - Eloy Complex
All resolvedEloy City Of
All resolvedVilla Grande Dwid
15 health-basedAz State Parks Picacho Peak
Youth Haven Ranches
All resolvedContaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Used to disinfect water — generally safe at regulated levels.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Phoenix (85131) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 111.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.