Water Quality in Tucson, AZ (85602)

EPA violation data for public water systems serving ZIP code 85602.

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

10,019

Population

11

Water Systems

45

Violations (5yr)

8

Health-Based

Location

Loading map...

Water Systems Serving This Area (11)

Tucson City Of

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

Benson, City Of Water System

Groundwater 5,355 people served
3 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

The Thing-Bowlin'S Inc

Groundwater 200 people served
0 violations

Willow Lakes Property Owners Assoc

6 health-based
Groundwater 190 people served
25 violations (5yr) · 6 health-based
Lead tested: 1 ppb (limit: 15 ppb)

Whetstone Ranch Water System

1 health-based
Groundwater 183 people served
5 violations (5yr) · 1 health-based · All resolved

Benson Arizona Koa Kampground

All resolved
Groundwater 120 people served
1 violation (5yr) · All resolved

Az Electric Power Apache

1 health-based
Groundwater 100 people served
3 violations (5yr) · 1 health-based
Lead tested: 12 ppb (limit: 15 ppb)

Red Barn Campground

Groundwater 98 people served
0 violations

Apache Nitrogen Products

All resolved
Groundwater 70 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Stuckeys Old West

Groundwater 50 people served
0 violations

Quick Pic Market

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

7 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
6 violations
Has active
Groundwater RuleHealth-Based
1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

7 violations
Has active
Public NoticeMonitoring
7 violations
Has active
Lead and Copper RuleMonitoring

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

5 violations
Has active
E. COLIMonitoring
5 violations
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

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 (85602) has more violations than 90% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 45.

Fewer violations 90th 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.

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.

Nearby ZIP Codes

Check Another ZIP Code