MT0001786 · Montana
DUCK CREEK MOBILE HOME PARK
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 12
- EPA health-based flag
- 3
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 6
Counties listed by EPA · Yellowstone 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 9 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 88 days. The interval uses the reporting periods and dates on file.
EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1560715 · Nitrate-Nitrite · Nitrate RuleNoncompliance period start July 1, 2025 · period end September 30, 2025 · first reported November 17, 2025 · EPA return-to-compliance field September 30, 2025
5 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180691 January 7, 2025 Informal State Other 5180692 June 2, 2025 Formal State Administrative/Compliance Order without penalty issued 5180687 September 23, 2025 Informal State Violation/Reminder Notice 5180688 September 23, 2025 Informal State Public Notification requested 5180690 September 25, 2025 Informal State Public Notification received Monitoring or reporting · Resolved
Follow-up Or Routine LCR Tap M/RViolation 1560712 · Lead and Copper Rule · Lead and Copper RuleNoncompliance period start October 1, 2024 · period end June 24, 2025 · first reported December 19, 2024 · EPA return-to-compliance field June 24, 2025
5 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180671 November 7, 2024 Informal State Violation/Reminder Notice 5180672 November 7, 2024 Informal State Public Notification requested 5180682 January 6, 2025 Informal State Other 5180692 June 2, 2025 Formal State Administrative/Compliance Order without penalty issued 5180673 June 24, 2025 Resolving State Compliance achieved EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1560711 · Nitrate-Nitrite · Nitrate RuleNoncompliance period start October 1, 2024 · period end December 31, 2024 · first reported December 19, 2024 · EPA return-to-compliance field December 31, 2024
5 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180666 October 28, 2024 Informal State Violation/Reminder Notice 5180667 October 28, 2024 Informal State Public Notification requested 5180669 November 4, 2024 Informal State Public Notification received 5180682 January 6, 2025 Informal State Other 5180692 June 2, 2025 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1560710 · Nitrate-Nitrite · Nitrate RuleNoncompliance period start July 1, 2024 · period end September 30, 2024 · first reported November 18, 2024 · EPA return-to-compliance field September 30, 2024
6 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180663 October 28, 2024 Informal State Violation/Reminder Notice 5180664 October 28, 2024 Informal State Public Notification requested 5180669 November 4, 2024 Informal State Public Notification received 5180670 November 4, 2024 Informal State Public Notification received 5180682 January 6, 2025 Informal State Other 5180692 June 2, 2025 Formal State Administrative/Compliance Order without penalty issued Other or unclassified · Resolved
Consumer Confidence Report Complete Failure to ReportViolation 1560709 · Consumer Confidence Rule · Consumer Confidence RuleNoncompliance period start July 1, 2024 · period end September 27, 2024 · first reported September 19, 2024 · EPA return-to-compliance field September 27, 2024
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180661 July 23, 2024 Informal State Violation/Reminder Notice 5180662 September 27, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 1560708 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start April 1, 2024 · period end April 30, 2024 · first reported June 27, 2024 · EPA return-to-compliance field April 30, 2024
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180660 May 16, 2024 Resolving State Compliance achieved 5180657 May 20, 2024 Informal State Violation/Reminder Notice 5180658 May 20, 2024 Informal State Public Notification requested Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 1560706 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start October 1, 2023 · period end October 31, 2023 · first reported December 20, 2023 · EPA return-to-compliance field October 31, 2023
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180652 November 6, 2023 Resolving State Compliance achieved 5180649 November 24, 2023 Informal State Violation/Reminder Notice 5180650 November 24, 2023 Informal State Public Notification requested Other or unclassified · Resolved
Consumer Confidence Report Complete Failure to ReportViolation 1560703 · Consumer Confidence Rule · Consumer Confidence RuleNoncompliance period start July 1, 2023 · period end September 29, 2023 · first reported September 22, 2023 · EPA return-to-compliance field September 29, 2023
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180644 July 11, 2023 Informal State Violation/Reminder Notice 5180645 September 29, 2023 Resolving State Compliance achieved Other or unclassified · Resolved
Consumer Confidence Report Complete Failure to ReportViolation 1560681 · Consumer Confidence Rule · Consumer Confidence RuleNoncompliance period start July 1, 2022 · period end July 7, 2022 · first reported September 22, 2023 · EPA return-to-compliance field July 7, 2022
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180625 July 7, 2022 Resolving State Compliance achieved 5180624 July 11, 2022 Informal State Violation/Reminder Notice Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 1560680 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start December 1, 2021 · period end December 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field December 31, 2021
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180623 January 20, 2022 Resolving State Compliance achieved 5180620 February 3, 2022 Informal State Violation/Reminder Notice 5180621 February 3, 2022 Informal State Public Notification requested Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 1560705 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start January 1, 2021 · period end December 31, 2023 · first reported November 15, 2023 · EPA return-to-compliance field December 31, 2023
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180646 October 18, 2023 Informal State Violation/Reminder Notice 5180647 October 18, 2023 Informal State Public Notification requested 5180648 August 13, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 1560704 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start January 1, 2021 · period end December 31, 2023 · first reported November 15, 2023 · EPA return-to-compliance field December 31, 2023
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5180646 October 18, 2023 Informal State Violation/Reminder Notice 5180647 October 18, 2023 Informal State Public Notification requested 5180648 August 13, 2024 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