F0/100

ASPC YUMA — Water Quality Report 2026

Q: Is ASPC YUMA water safe to drink?

ASPC YUMA water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 317 violation(s) are on record. Customers may want to consider using a water filter.

Q: What contaminants has ASPC YUMA detected?

31 contaminants were tested in ASPC YUMA's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Q: Does ASPC YUMA have any EPA violations?

Yes, ASPC YUMA has 317 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, TT, MR. 2 are health-based violations.

Q: How many people does ASPC YUMA serve?

ASPC YUMA serves approximately 4,197 people, Arizona. The system provides water to 1 community: Yuma.

Q: What type of water does ASPC YUMA provide?

ASPC YUMA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0414099.

Q: How does ASPC YUMA compare to other utilities in Arizona?

ASPC YUMA 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.

Serving 4,197 people · Arizona

Water Source

Groundwater

County

—

System ID

AZ0414099

Violations

317

Contaminant Test Results

1 contaminant above EPA health goals

Contaminant	Detected	Limit (MCL)	Goal (MCLG)	Status
Lead (90th percentile)	< 0.001 mg/L	0.015 mg/L	0 mg/L	Above Goal

EPA Violation History

Violations (last 5yr)

Unresolved

Health-Related

TIER 3Resolved

Monitoring violation

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

When: July 1, 2025 – August 12, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Reporting violation

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

When: October 17, 2024 – November 21, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Treatment technique violation

When: October 17, 2024 – November 21, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring violation

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

When: July 1, 2024 – August 19, 2024Rule: Total Coliform 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: January 1, 2024 – November 13, 2024Rule: 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, 2024 – November 13, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring violation

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

When: July 1, 2023 – August 30, 2023Rule: Total Coliform 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: July 1, 2023 – September 30, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring violation

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

When: October 1, 2022 – December 5, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring violation

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

When: April 1, 2022 – June 9, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2021 – September 22, 2021Enforcement: 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 ASPC YUMA

Is ASPC YUMA water safe to drink?

ASPC YUMA water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 317 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has ASPC YUMA detected?

31 contaminants were tested in ASPC YUMA's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does ASPC YUMA have any EPA violations?

Yes, ASPC YUMA has 317 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, TT, MR. 2 are health-based violations.

How many people does ASPC YUMA serve?

ASPC YUMA serves approximately 4,197 people, Arizona. The system provides water to 1 community: Yuma.

What type of water does ASPC YUMA provide?

ASPC YUMA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0414099.

How does ASPC YUMA compare to other utilities in Arizona?

ASPC YUMA 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

Yuma