TapSafetyReport
F0/100

SPANISH TRAIL WATER COMPANY — Water Quality Report 2026

Serving 3,822 people · Arizona

Water Source
Groundwater
County
—
System ID
AZ0410127
Violations
204

Contaminant Test Results

EPA Violation History

6

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

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, 2024 – July 31, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring / Reporting Violation

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

When: August 12, 2023 – November 2, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: October 2, 2022 – January 4, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: April 2, 2022 – June 3, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

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: August 1, 2021 – July 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

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: August 1, 2021 – July 31, 2022Rule: Stage 2 DBPREnforcement: 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 SPANISH TRAIL WATER COMPANY

Is SPANISH TRAIL WATER COMPANY water safe to drink?

SPANISH TRAIL WATER COMPANY water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 204 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has SPANISH TRAIL WATER COMPANY detected?

1 contaminants were tested in SPANISH TRAIL WATER COMPANY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does SPANISH TRAIL WATER COMPANY have any EPA violations?

Yes, SPANISH TRAIL WATER COMPANY has 204 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, RPT. 4 are health-based violations.

How many people does SPANISH TRAIL WATER COMPANY serve?

SPANISH TRAIL WATER COMPANY serves approximately 3,822 people, Arizona. The system provides water to 1 community: Tucson.

What type of water does SPANISH TRAIL WATER COMPANY provide?

SPANISH TRAIL WATER COMPANY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0410127.

How does SPANISH TRAIL WATER COMPANY compare to other utilities in Arizona?

SPANISH TRAIL WATER COMPANY 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

Tucson