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F0/100

CITY OF BUCKEYE SONORA - SUNDANCE — Water Quality Report 2026

Serving 15,783 people · Arizona

Water Source
Groundwater
County
—
System ID
AZ0407154
Violations
112

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
vanadium
38.00 µg/L—Above Goal

EPA Violation History

5

Violations (last 5yr)

1

Unresolved

0

Health-Related

TIER 3Unresolved

Monitoring / Reporting Violation

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

When: January 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2024 – October 17, 2024Enforcement: 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: January 1, 2023 – March 31, 2023Rule: 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: January 1, 2023 – March 31, 2023Rule: 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: April 1, 2022 – June 30, 2022Rule: Stage 1 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 CITY OF BUCKEYE SONORA - SUNDANCE

Is CITY OF BUCKEYE SONORA - SUNDANCE water safe to drink?

CITY OF BUCKEYE SONORA - SUNDANCE water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 112 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has CITY OF BUCKEYE SONORA - SUNDANCE detected?

66 contaminants were tested in CITY OF BUCKEYE SONORA - SUNDANCE's water. Notable contaminants include vanadium. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does CITY OF BUCKEYE SONORA - SUNDANCE have any EPA violations?

Yes, CITY OF BUCKEYE SONORA - SUNDANCE has 112 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, RPT. 2 are health-based violations.

How many people does CITY OF BUCKEYE SONORA - SUNDANCE serve?

CITY OF BUCKEYE SONORA - SUNDANCE serves approximately 15,783 people, Arizona. The system provides water to 1 community: Town Of Buckeye-Sono.

What type of water does CITY OF BUCKEYE SONORA - SUNDANCE provide?

CITY OF BUCKEYE SONORA - SUNDANCE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0407154.

How does CITY OF BUCKEYE SONORA - SUNDANCE compare to other utilities in Arizona?

CITY OF BUCKEYE SONORA - SUNDANCE 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

Town Of Buckeye-Sono