TapSafetyReport
B77/100

ARIZONA WATER CO - WHITE TANKS — Water Quality Report 2026

Serving 18,858 people · Arizona

Water Source
Purchased Surface Water
County
—
System ID
AZ0407128
Violations
19

Contaminant Test Results

EPA Violation History

4

Violations (last 5yr)

1

Unresolved

0

Health-Related

TIER 3Unresolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2025 – September 30, 2025Rule: Stage 2 DBPRVerify on EPA.gov
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – March 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – March 31, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About ARIZONA WATER CO - WHITE TANKS

Is ARIZONA WATER CO - WHITE TANKS water safe to drink?

ARIZONA WATER CO - WHITE TANKS water receives a grade of B (77/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.

What contaminants has ARIZONA WATER CO - WHITE TANKS detected?

31 contaminants were tested in ARIZONA WATER CO - WHITE TANKS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does ARIZONA WATER CO - WHITE TANKS have any EPA violations?

Yes, ARIZONA WATER CO - WHITE TANKS has 19 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, RPT, Other. 1 are health-based violations.

How many people does ARIZONA WATER CO - WHITE TANKS serve?

ARIZONA WATER CO - WHITE TANKS serves approximately 18,858 people, Arizona. The system provides water to 1 community: White Tanks.

What type of water does ARIZONA WATER CO - WHITE TANKS provide?

ARIZONA WATER CO - WHITE TANKS sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is AZ0407128.

How does ARIZONA WATER CO - WHITE TANKS compare to other utilities in Arizona?

ARIZONA WATER CO - WHITE TANKS scores 77/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Arizona state page for a full comparison of water systems.

Cities Served

White Tanks