MT0000285 · Montana
MANHATTAN TOWN OF
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 25
- EPA health-based flag
- 0
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 25
Counties listed by EPA · Gallatin 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 25 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 89 days. The interval uses the reporting periods and dates on file.
Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024495 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad RuleNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502880 April 20, 2021 Informal State Violation/Reminder Notice 5502881 April 20, 2021 Informal State Public Notification requested 5502882 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024494 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad RuleNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502877 April 20, 2021 Informal State Violation/Reminder Notice 5502878 April 20, 2021 Informal State Public Notification requested 5502879 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024493 · Chlordane · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024492 · Pentachlorophenol · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024491 · Benzo(a)pyrene · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024490 · HEXACHLOROBENZENE · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024489 · 2,4,5-TP · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024488 · 2,4-D · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024487 · Heptachlor epoxide · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024486 · Heptachlor · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024485 · LASSO · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024484 · Atrazine · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024483 · Carbofuran · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024482 · Hexachlorocyclopentadiene · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024481 · Dinoseb · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024480 · Picloram · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024479 · Di(2-ethylhexyl) phthalate · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024478 · Simazine · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024477 · OXAMYL · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024476 · Di(2-ethylhexyl) adipate · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024475 · Dalapon · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024474 · Toxaphene · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024473 · Methoxychlor · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024472 · BHC-GAMMA · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 1024471 · Endrin · Synthetic Organic ChemicalsNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported September 22, 2023 · EPA return-to-compliance field March 31, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 5502874 April 20, 2021 Informal State Violation/Reminder Notice 5502875 April 20, 2021 Informal State Public Notification requested 5502876 April 21, 2021 Resolving State Compliance achieved 5502883 June 4, 2021 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