WY5680079 · Wyoming

YNP - LAKE VILLAGE

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

Violation records shown: 34
EPA health-based flag: 1
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 33

Counties listed by EPA · Teton County, Wyoming

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

Violations and what followed

Among 33 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 91 days. The interval uses the reporting periods and dates on file.

Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 1203 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported December 18, 2024 · EPA return-to-compliance field December 31, 2024

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
28 August 17, 2025 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 1202 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start January 1, 2024 · period end December 31, 2024 · first reported December 18, 2024 · EPA return-to-compliance field December 31, 2024

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
28 August 17, 2025 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Initial Tap Sampling for Pb and CuViolation 1168 · Lead and Copper Rule · Lead and Copper Rule
Noncompliance period start January 1, 2024 · period end August 19, 2025 · first reported June 27, 2024 · EPA return-to-compliance field August 19, 2025

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
27 August 19, 2025 Resolving State Compliance achieved
Monitoring or reporting · Unaddressed by formal action
Lead Consumer NoticeViolation 1138 · Lead and Copper Rule · Lead and Copper Rule
Noncompliance period start September 29, 2023 · first reported November 15, 2023
No linked action row appears in the records shown.
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1167 · Diquat · Synthetic Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1166 · 2,4,5-TP · Synthetic Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1165 · Styrene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1164 · Ethylbenzene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1163 · Toluene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1162 · Benzene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1161 · CHLOROBENZENE · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1160 · Tetrachloroethylene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1159 · 1,1,2-Trichloroethane · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1158 · Trichloroethylene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1157 · 1,2-Dichloropropane · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1156 · Carbon tetrachloride · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1155 · 1,1,1-Trichloroethane · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1154 · 1,2-Dichloroethane · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1153 · trans-1,2-Dichloroethylene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1152 · 1,1-Dichloroethylene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1151 · Vinyl chloride · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1150 · p-Dichlorobenzene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1149 · o-Dichlorobenzene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1148 · DICHLOROMETHANE · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1147 · Xylenes, Total · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1146 · cis-1,2-Dichloroethylene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1145 · 1,2,4-Trichlorobenzene · Volatile Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1144 · Dinoseb · Synthetic Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1143 · Dalapon · Synthetic Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1142 · 2,4-D · Synthetic Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1141 · Pentachlorophenol · Synthetic Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1140 · Endothall · Synthetic Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1139 · Picloram · Synthetic Organic Chemicals
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved
EPA health-based flag · Resolved
Failure To Address DeficiencyViolation 1001 · Groundwater Rule · Ground Water Rule
Noncompliance period start May 31, 2019 · period end December 20, 2023 · first reported March 2, 2026 · EPA return-to-compliance field December 20, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
22 December 20, 2023 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
28	August 17, 2025	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
28	August 17, 2025	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
27	August 19, 2025	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
22	December 20, 2023	Resolving	State Compliance achieved

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