Water Quality in Phoenix, AZ (85138)
EPA violation data for public water systems serving ZIP code 85138.
Active Health Violations
26 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 98% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
55,260
Population
43
Water Systems
164
Violations (5yr)
26
Health-Based
Location
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Water Systems Serving This Area (43)
Arizona Water Co - Pinal Valley
Epcor - San Tan
All resolvedGw Santa Cruz Water Co
1 health-basedArizona Water Co - Apache Junction
Ak-Chin Village
All resolvedGw Farmers Water Co - Continental
All resolvedGw Farmers Water Co - Santa Rita Springs
Gw Santa Cruz Water Co - Red Rock
All resolvedGw Saguaro Dist Water Co - Las Quintas
All resolvedGw Ocotillo Water - Rancho Del Sol Lindo
Gw Santa Cruz Water - Maricopa Sw
All resolvedGw Ocotillo Water - Catalina
Maricopa Consolidated Dwid
1 health-basedGw Ocotillo Water - Diamond Bell
Gw -Bwc, Inc- Sunshine
All resolvedGw Ocotillo Water - Valley View Acres
Gw Farmers Water Co - Sahuarita Highland
Gw Farmers Water Co - Sahuarita
Gw -Bwc, Inc- Buckeye Ranch
All resolvedValle Escondido
6 health-basedGw -Bwc, Inc.- Nswc
All resolvedGw -Bwc, Inc- Eagletail
All resolvedAk-Chin Southern Dunes Golf Club
3 health-basedGw Ocotillo Water - Silverbell West
Gw Saguaro Dist Water Co - Tala Way
All resolvedVorelco Test Facility
All resolvedGw Saguaro Dist Water Co - Mirabell
All resolvedGw Ocotillo Water - Thunderhead
Gw- Bwc, Inc- Dixie
All resolvedGw Saguaro Dist Water Co - Lyn Lee
All resolvedGw Saguaro Dist Water Co - Amber Ann
All resolvedNew Saddleback Vista
4 health-basedMaricopa Agriculture Center
7 health-basedAk-Chin Santa Cruz Commerce Center
Gw Ocotillo Water - Sierrita Foothills
Gw Saguaro Dist Water Co - Tortolita
All resolvedGw -Bwc, Inc.- Wpe #6
All resolvedGw- Bwc, Inc- Roseview
Gw Santa Cruz Water -Twin Hawks Water
All resolvedGw- Bwc, Inc- Garden City
Gw Santa Cruz Water - Cp Water Co
All resolvedGw Santa Cruz Water Co - Picacho Cove
All resolvedScotts Miracle Gro
4 health-basedContaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
A naturally occurring element that can cause cancer and other health effects at high levels.
Used to disinfect water — generally safe at regulated levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Phoenix (85138) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 164.
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
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
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.