TIER 3 Resolved
Surface water treatment technique failure
When: July 1, 2025 – September 16, 2025Enforcement: Resolving — corrective action underway
TIER 3 Unresolved
Disinfection byproduct treatment technique failure
When: February 10, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov TIER 3 Unresolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2024 – November 30, 2024Rule: Surface Water Treatment RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov TIER 3 Unresolved
Surface water treatment technique failure
When: October 1, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov TIER 3 Unresolved
Surface water treatment technique failure
When: July 1, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov TIER 3 Unresolved
Disinfection byproduct treatment technique failure
When: April 13, 2024Rule: Ground Water RuleVerify on EPA.gov TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: March 23, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: February 24, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: February 10, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2024 – February 29, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2 Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – January 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 1, 2023 – December 31, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2023 – November 30, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3 Unresolved
Surface water treatment technique failure
When: October 1, 2023Enforcement: Informal — resolved cooperativelyVerify on EPA.gov TIER 2 Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: August 19, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: July 15, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 14, 2023Enforcement: Resolving — corrective action underway
TIER 2 Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: June 16, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2023 – June 30, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: May 13, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2023 – May 31, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: April 22, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: April 14, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – April 30, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2 Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: March 15, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: March 1, 2023 – March 31, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: February 16, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: February 9, 2023 – November 17, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2023 – February 28, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: January 20, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: December 14, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: November 18, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: October 8, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Surface water treatment technique failure
When: October 1, 2022Enforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: September 15, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: August 24, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Surface water treatment technique failure
When: July 1, 2022 – July 7, 2023Enforcement: Resolving — corrective action underway
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: June 15, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2022 – May 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: April 15, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2022 – April 30, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: March 13, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: March 1, 2022 – March 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: February 16, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2022 – February 28, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: January 14, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – January 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: December 15, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 1, 2021 – December 31, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: November 17, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2021 – November 30, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: October 27, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – October 31, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Surface water treatment technique failure
When: October 1, 2021Enforcement: Formal — state order issued
TIER 3 Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – August 10, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: September 16, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 1, 2021 – September 30, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: August 13, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: August 13, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2021 – August 31, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: July 14, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Surface water treatment technique failure
When: July 1, 2021 – November 3, 2022Enforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2021 – July 31, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: June 16, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2021 – June 30, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Missed required monitoring deadline
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2021 – June 30, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: May 14, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2021 – May 31, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 3 Resolved
Disinfection byproduct treatment technique failure
When: April 15, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued