Water Quality in Tucson, AZ (85735)

EPA violation data for public water systems serving ZIP code 85735.

No Health-Based Violations

None of the 8 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are7 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 60% of US ZIP codes.

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

10,718

Population

8

Water Systems

7

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (8)

Tucson City Of

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

Adoc Tucson

All resolved
Groundwater 4,500 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Old Tucson Studios

Purchased groundwater 945 people served
0 violations

Mary E Dill School #51

Groundwater 700 people served
0 violations

Three Points Trading Post

Purchased groundwater 40 people served
0 violations

El Mequital Restaurant

Groundwater 30 people served
0 violations

Tucson Rifle Range

Groundwater 6 people served
0 violations

Cactus-Stellar Limited

Purchased groundwater 0
0 violations

Contaminants Found

MethoxychlorMonitoring
1 violation
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Tucson (85735) has more violations than 60% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 7, most of which are monitoring/reporting issues.

Fewer violations 60th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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