SUN RIVER, MT · Cascade County
CASCADE COLONY 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)
- MT0001738
- System type
- Community Water System
- Population served
- 105
- Service connections
- 20
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2018 – March 31, 2018
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2018 – March 31, 2018 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- April 23, 2018State Violation/Reminder Notice7 linked violations
- December 31, 2008State Compliance achieved5 linked violations
Contact
ENTZ, PETER
406-264-5265
SUN RIVER, MT 59483