MI0001355 · Michigan

CHATHAM

Federal fiscal 2026Q3 · EPA violation and follow-up records

Violation records shown: 53
EPA health-based flag: 1
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 52

Counties listed by EPA · Alger County, Michigan

Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.

Violations and what followed

Among 24 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 1,030 days. The interval uses the reporting periods and dates on file.

Monitoring or reporting · Resolved

Follow-up Or Routine LCR Tap M/RViolation 4000224 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start October 11, 2025 · period end November 30, 2025 · first reported February 27, 2026 · EPA return-to-compliance field November 30, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000989	November 30, 2025	Resolving	State Compliance achieved
4000988	December 8, 2025	Informal	State Violation/Reminder Notice

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000251 · Nitrate · Nitrate Rule

Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000971	December 4, 2025	Informal	State Violation/Reminder Notice
4000972	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Resolved

LSL ReportingViolation 4000222 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule Revisions

Noncompliance period start December 4, 2024 · period end December 11, 2024 · first reported March 3, 2025 · EPA return-to-compliance field December 11, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000961	December 4, 2024	Informal	State Violation/Reminder Notice
4000964	December 11, 2024	Resolving	State Compliance achieved
4000962	December 4, 2025	Informal	State Public Notification requested

EPA health-based flag · Resolved

LSL InventoryViolation 4000221 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule Revisions

Noncompliance period start October 17, 2024 · period end December 11, 2024 · first reported March 3, 2025 · EPA return-to-compliance field December 11, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000961	December 4, 2024	Informal	State Violation/Reminder Notice
4000964	December 11, 2024	Resolving	State Compliance achieved
4000962	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000281 · Styrene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000280 · Ethylbenzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000279 · Toluene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000278 · Benzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000277 · CHLOROBENZENE · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000276 · Tetrachloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000275 · 1,1,2-Trichloroethane · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000274 · Trichloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000273 · 1,2-Dichloropropane · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000272 · Carbon tetrachloride · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000271 · 1,1,1-Trichloroethane · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000270 · 1,2-Dichloroethane · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000269 · trans-1,2-Dichloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000268 · 1,1-Dichloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000267 · Vinyl chloride · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000266 · p-Dichlorobenzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000265 · o-Dichlorobenzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000264 · DICHLOROMETHANE · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000263 · Xylenes, Total · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000262 · cis-1,2-Dichloroethylene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring, RegularViolation 4000261 · 1,2,4-Trichlorobenzene · Volatile Organic Chemicals

Noncompliance period start January 1, 2023 · period end October 27, 2025 · first reported December 18, 2025 · EPA return-to-compliance field October 27, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000986	October 27, 2025	Resolving	State Compliance achieved
4000984	December 4, 2025	Informal	State Violation/Reminder Notice
4000985	December 4, 2025	Informal	State Public Notification requested

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000253 · Radium-228 · Radionuclides and Revised Rad Rule

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000975	December 4, 2025	Informal	State Violation/Reminder Notice
4000976	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000252 · Radium-226 · Radionuclides and Revised Rad Rule

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000975	December 4, 2025	Informal	State Violation/Reminder Notice
4000976	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000250 · Chlordane · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000249 · Total Polychlorinated Biphenyls (PCB) · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000248 · Pentachlorophenol · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000247 · Benzo(a)pyrene · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000246 · HEXACHLOROBENZENE · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000245 · 2,4,5-TP · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000244 · 2,4-D · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000243 · Heptachlor epoxide · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000242 · Heptachlor · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000241 · LASSO · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000240 · Atrazine · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000239 · Aldicarb · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000238 · Carbofuran · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000237 · Aldicarb sulfone · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000236 · Aldicarb sulfoxide · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000235 · Hexachlorocyclopentadiene · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000234 · Dinoseb · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000233 · Picloram · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000232 · Di(2-ethylhexyl) phthalate · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000231 · Simazine · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000230 · OXAMYL · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000229 · Di(2-ethylhexyl) adipate · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000228 · Toxaphene · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000227 · Methoxychlor · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000226 · BHC-GAMMA · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 4000225 · Endrin · Synthetic Organic Chemicals

Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported December 18, 2025 · EPA return-to-compliance field December 31, 2025

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4000967	December 4, 2025	Informal	State Violation/Reminder Notice
4000968	December 4, 2025	Informal	State Public Notification requested
4000990	February 12, 2026	Informal	State Violation/Reminder Notice
4000991	February 12, 2026	Formal	State Administrative Penalty assessed
4001011	February 12, 2026	Informal	State Public Notification requested
4001012	February 12, 2026	Informal	State Public Notification received

EPA data and scope

How to read the records

The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.

We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.

EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility