ANADARKO PUBLIC WORKS AUTHORITY — Water Quality Report 2026
Serving 6,804 people · Oklahoma
Water Source
Surface Water
County
—
System ID
OK1010806
Violations
121
Contaminant Test Results
EPA Violation History
26
Violations (last 5yr)
6
Unresolved
22
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2025 – June 30, 2025Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2025 – June 30, 2025Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
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: June 1, 2024 – June 30, 2024Rule: 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: June 1, 2024 – June 30, 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: June 1, 2024 – June 30, 2024Rule: Stage 1 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: June 1, 2024 – June 30, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Failed treatment technique requirements
When: June 1, 2023 – June 30, 2023Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 1 — URGENTResolved
Violation related to Nitrate
When: April 1, 2023 – April 30, 2023Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 1 — URGENTResolved
Violation related to Nitrate
When: December 1, 2022 – December 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Resolved
Failed treatment technique requirements
When: December 1, 2022 – December 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 1 — URGENTResolved
Violation related to Nitrate
When: October 1, 2022 – October 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Resolved
Failed treatment technique requirements
When: October 1, 2022 – October 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Treatment Technique Violation
When: January 1, 2022 – March 31, 2022Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued
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 ANADARKO PUBLIC WORKS AUTHORITY
Is ANADARKO PUBLIC WORKS AUTHORITY water safe to drink?
ANADARKO PUBLIC WORKS AUTHORITY water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 121 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ANADARKO PUBLIC WORKS AUTHORITY detected?
31 contaminants were tested in ANADARKO PUBLIC WORKS AUTHORITY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ANADARKO PUBLIC WORKS AUTHORITY have any EPA violations?
Yes, ANADARKO PUBLIC WORKS AUTHORITY has 121 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, MON. 83 are health-based violations.
How many people does ANADARKO PUBLIC WORKS AUTHORITY serve?
ANADARKO PUBLIC WORKS AUTHORITY serves approximately 6,804 people, Oklahoma.
What type of water does ANADARKO PUBLIC WORKS AUTHORITY provide?
ANADARKO PUBLIC WORKS AUTHORITY sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OK1010806.
How does ANADARKO PUBLIC WORKS AUTHORITY compare to other utilities in Oklahoma?
ANADARKO PUBLIC WORKS AUTHORITY scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Oklahoma state page for a full comparison of water systems.