Water Quality in Tucson, AZ (85704)
EPA violation data for public water systems serving ZIP code 85704.
Active Health Violations
5 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.
35,210
Population
40
Water Systems
140
Violations (5yr)
5
Health-Based
Location
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Water Systems Serving This Area (40)
Tucson City Of
All resolvedMetropolitan Dwid
All resolvedMetropolitan Dwid - Diablo Village
All resolvedMetropolitan Dwid - Hub
All resolvedMetropolitan Dwid - E&T System
All resolvedMission Palms Apartments
All resolvedPcnr Arthur Pack Regional
All resolvedMesaland Water Company
Pcnr Colossal Cave
All resolvedExxon Corporation
Casitas De Castilian
1 health-basedPcnr Arthur Pack Old - Crooked Tree
All resolvedSamalayuca Improvement Assoc
Pcnr Gilbert Ray Tmp
2 health-basedFoothills Mobile Hm Park
Pcnr Picture Rocks
All resolvedPcnr Motor Sports
Pcnr Fairgrounds
Metropolitan Dwid - Lazy B
All resolvedHoliday Apartments
Pcnr Three Point
2 health-basedAz Truck Stop
Freeway Trailer Court
Quail Valley Tennis Club
Barrent Biesemeyer Water Sys
Advanced Learning Center
Pcnr La Posta Quemada
Mesa Del Oro Water Co.
Despoblado Water Co.
Amity House Steve Gottlieb
G & M Ranch
Orange Grove Apartments
Shadow Valley Lodge
Desert Trails Ranch
Cimetta Eng & Construction Co
Boye Clark Trailer Park
Tortolita Wells Inc
Rancho Saguaro
Park Place Apartments
All resolvedPima Ramada Mhp
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Annual water quality report delivery requirement.
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.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Tucson (85704) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 140.
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.
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.