MT0004264 · Montana

NORTH STAR PUD

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

Violation records shown: 4
EPA health-based flag: 0
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 3

Counties listed by EPA · Lewis and Clark County, Montana

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

Violations and what followed

Among 3 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 290 days. The interval uses the reporting periods and dates on file.

Monitoring or reporting · Resolved

Follow-up Or Routine LCR Tap M/RViolation 5022 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start October 1, 2025 · period end September 30, 2025 · first reported January 5, 2026 · EPA return-to-compliance field September 30, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
3650	September 30, 2025	Resolving	State Compliance achieved
3648	October 24, 2025	Informal	State Violation/Reminder Notice
3649	October 24, 2025	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 5018 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2023 · period end October 18, 2023 · first reported November 15, 2023 · EPA return-to-compliance field October 18, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
3632	October 18, 2023	Informal	State Violation/Reminder Notice
3633	October 18, 2023	Informal	State Public Notification requested
3634	October 18, 2023	Resolving	State Compliance achieved
3635	April 11, 2024	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 5017 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2023 · period end October 18, 2023 · first reported November 15, 2023 · EPA return-to-compliance field October 18, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
3632	October 18, 2023	Informal	State Violation/Reminder Notice
3633	October 18, 2023	Informal	State Public Notification requested
3634	October 18, 2023	Resolving	State Compliance achieved
3635	April 11, 2024	Informal	State Public Notification received

Other or unclassified · Resolved

Sample Siting Plan Errors (RTCR)Violation 5014 · Revised Total Coliform Rule · Revised Total Coliform Rule

Noncompliance period start April 2, 2016 · period end February 23, 2023 · first reported February 14, 2017 · EPA return-to-compliance field February 23, 2023

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
3616	January 4, 2017	Informal	State Violation/Reminder Notice
3617	January 4, 2017	Informal	State Public Notification requested
3619	February 23, 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