TapSafetyReport
F0/100

CITY OF SHOW LOW — Water Quality Report 2026

Serving 17,139 people · Arizona

Water Source
Groundwater
County
—
System ID
AZ0409026
Violations
536

Contaminant Test Results

EPA Violation History

6

Violations (last 5yr)

2

Unresolved

1

Health-Related

TIER 3Resolved

Monitoring / Reporting Violation

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

When: January 1, 2023 – August 17, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved

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, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

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, 2024Enforcement: Informal — resolved cooperativelyVerify 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, 2022 – December 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, 2022 – December 31, 2024Enforcement: Resolving — corrective action underway
TIER 2Resolved

Violation related to Consumer Confidence Report

When: November 12, 2021 – January 14, 2022Rule: Consumer Confidence RuleEnforcement: 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 CITY OF SHOW LOW

Is CITY OF SHOW LOW water safe to drink?

CITY OF SHOW LOW water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 536 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has CITY OF SHOW LOW detected?

51 contaminants were tested in CITY OF SHOW LOW's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does CITY OF SHOW LOW have any EPA violations?

Yes, CITY OF SHOW LOW has 536 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, TT, Other. 2 are health-based violations.

How many people does CITY OF SHOW LOW serve?

CITY OF SHOW LOW serves approximately 17,139 people, Arizona. The system provides water to 1 community: Show Low.

What type of water does CITY OF SHOW LOW provide?

CITY OF SHOW LOW sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0409026.

How does CITY OF SHOW LOW compare to other utilities in Arizona?

CITY OF SHOW LOW scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arizona state page for a full comparison of water systems.

Cities Served

Show Low