Water Quality in Prescott, AZ (86302)

EPA violation data for public water systems serving ZIP code 86302.

No Health-Based Violations

None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are20 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 79% of US ZIP codes.

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

11

Water Systems

20

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (11)

Granite Oaks Water Users Association

Groundwater 1,200 people served
4 violations (5yr)

Inscription Canyon Water Company

All resolved
Groundwater 566 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Yarnell Water Improvement Association

All resolved
Groundwater 515 people served
5 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Inscription Canyon Water Company

All resolved
Groundwater 507 people served
6 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Groom Creek Water Users

Groundwater 458 people served
0 violations
Lead tested: 7 ppb (limit: 15 ppb)

Quail Ridge Dwid

All resolved
Groundwater 179 people served
3 violations (5yr) · All resolved

Camp Wamatochick - Teen Round Up

Groundwater 160 people served
0 violations

Camp Aloma - American Lutheran Church

Groundwater 114 people served
0 violations

Buffalo Ranch Children C

Groundwater 75 people served
0 violations

Old Stage Stop Country Store

Groundwater 25 people served
0 violations

Water Co-Op

Groundwater 22 people served
0 violations

Contaminants Found

ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

10 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved
TTHMMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
ArsenicMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
7 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Prescott (86302) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 20, most of which are monitoring/reporting issues.

Fewer violations 79th 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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