When: August 9, 2025 – September 19, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2025 – June 30, 2025Enforcement: 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, 2025 – March 31, 2025Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 25, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – November 25, 2024Rule: Ground Water RuleEnforcement: 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: July 1, 2024 – September 30, 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: July 1, 2024 – September 30, 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: July 1, 2024 – September 30, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – July 3, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – October 6, 2023Enforcement: 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: June 1, 2023 – June 30, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: October 2, 2022 – November 14, 2022Enforcement: Resolving — corrective action underway
TIER 2Resolved
Maximum contaminant level violation
When: November 6, 2021 – January 19, 2022Rule: Total Coliform RuleEnforcement: 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: July 1, 2021 – September 30, 2021Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – November 15, 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 POMERENE DWID
Is POMERENE DWID water safe to drink?
POMERENE DWID water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 181 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has POMERENE DWID detected?
1 contaminants were tested in POMERENE DWID's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does POMERENE DWID have any EPA violations?
Yes, POMERENE DWID has 181 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, Other, MR. 18 are health-based violations.
How many people does POMERENE DWID serve?
POMERENE DWID serves approximately 1,030 people, Arizona. The system provides water to 1 community: Pomerene.
What type of water does POMERENE DWID provide?
POMERENE DWID sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0402012.
How does POMERENE DWID compare to other utilities in Arizona?
POMERENE DWID 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.