RONAN, MT · Lake County
MISSION MOUNTAIN LAKE CO W AND S DIST Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Montana’s official records. Always confirm current status with Montana before making decisions based on this information.
System facts
- System ID (PWSID)
- MT0003801
- System type
- Community Water System
- Population served
- 118
- Service connections
- 39
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
April 1, 1999 – April 30, 1999
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1997 – August 31, 1997
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Nickel
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 1996 – December 31, 1998
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 1999 – April 30, 1999 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 1997 – August 31, 1997 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Antimony, Total | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 2, 2021State Violation/Reminder Notice1 linked violation
- December 2, 2021State Public Notification requested1 linked violation
- November 1, 2021State Compliance achieved1 linked violation
Contact
BURDEN, GERALD A
406-249-2270
RONAN, MT 59864