Water Quality in Tucson, AZ (85743)
EPA violation data for public water systems serving ZIP code 85743.
Active Health Violations
1 health-based violation 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 81% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
31,300
Population
22
Water Systems
24
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (22)
Tucson City Of
All resolvedAvra Water Coop Inc
All resolvedRancho Del Conejo Comm Water Coop
Az Sonora Desert Museum
Marana Municipal
Valle Verde Del Norte
The Lazy Bone Rv Resort
Marana Municipal- La Puerta
Marana Park
Bayer R&D Services Llc - Marana
All resolvedSandia Water Company
Lil Abners Steakhouse
White Stallion Guest Ranch
1 health-basedLazy K Bar Ranch
Avra Valley Airport Jump
Sandario Well 3
Three Points
Usphs-Indian Health Service
Mira Vista Resort
Cpc Southwest Materials
Marana Municipal Twin Peaks Ws
Marana Municipal-Cortaro
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
Copper (Cu)
Exceeds limitSampled: Jan 2025
How Does This Compare?
Tucson (85743) has more violations than 81% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 24.
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.