When: July 1, 2025 – July 31, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: July 1, 2025 – July 31, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: June 1, 2025 – June 30, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved
Violation related to Nitrate
When: June 1, 2025 – June 30, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: June 1, 2025 – June 30, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: June 1, 2025 – June 30, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: June 1, 2025 – June 30, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: May 1, 2025 – May 31, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: April 1, 2025 – April 30, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: April 1, 2025 – April 30, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: March 1, 2025 – March 31, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: March 1, 2025 – March 31, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: November 1, 2024 – November 30, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: November 1, 2024 – November 30, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Failed treatment technique requirements
When: May 1, 2024 – May 31, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Resolved
Failed treatment technique requirements
When: May 1, 2024 – May 31, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Resolved
Failed treatment technique requirements
When: April 1, 2024 – April 30, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Resolved
Failed treatment technique requirements
When: April 1, 2024 – April 30, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3Resolved
Failed to conduct Level 2 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2023 – June 3, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Failed treatment technique requirements
When: June 1, 2022 – June 30, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Resolved
Failed treatment technique requirements
When: May 1, 2022 – May 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved
Failed to conduct Level 2 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2022 – June 9, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved
Failed to conduct Level 2 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2021 – June 9, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Failed treatment technique requirements
When: September 1, 2021 – September 30, 2021Rule: Surface Water Treatment RuleEnforcement: 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 WAGONER CO. RWD #4
Is WAGONER CO. RWD #4 water safe to drink?
WAGONER CO. RWD #4 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 100 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WAGONER CO. RWD #4 detected?
69 contaminants were tested in WAGONER CO. RWD #4's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WAGONER CO. RWD #4 have any EPA violations?
Yes, WAGONER CO. RWD #4 has 100 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MR, MCL. 86 are health-based violations.
How many people does WAGONER CO. RWD #4 serve?
WAGONER CO. RWD #4 serves approximately 25,792 people, Oklahoma.
What type of water does WAGONER CO. RWD #4 provide?
WAGONER CO. RWD #4 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 OK1021529.
How does WAGONER CO. RWD #4 compare to other utilities in Oklahoma?
WAGONER CO. RWD #4 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.