Water Quality in Tucson, AZ (85742)

EPA violation data for public water systems serving ZIP code 85742.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 14 monitoring/reporting violations.

More violations than 74% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

31,613

Population

6

Water Systems

15

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (6)

Tucson City Of

All resolved
Groundwater 732,906 people served
6 violations (5yr) · All resolved

Pico Vista Community Well

All resolved
Groundwater 49 people served
2 violations (5yr) · All resolved

Gator Water Company

1 health-based
Groundwater 29 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Cortaro Acres Home Owners Assoc. Inc.

Groundwater 24 people served
0 violations

Decker Community Wc

Groundwater 0
0 violations

Dome Well Coop

All resolved
Groundwater 0
6 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

4 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

2 violations
All resolved
ArsenicMonitoring

A naturally occurring element that can cause cancer and other health effects at high levels.

2 violations
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Tucson (85742) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15.

Fewer violations 74th percentile More violations

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.

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