GREAT FALLS, MT · Cascade County
SPRING TREE RIDGE 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)
- MT0004419
- System type
- Community Water System
- Population served
- 80
- Service connections
- 44
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Endrin
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Picloram
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2014 – December 31, 2016
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
April 1, 2011 – June 30, 2011
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2008 – December 31, 2010
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 2011 – June 30, 2011 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Antimony, Total | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 22, 2026State Compliance achieved38 linked violations
- October 3, 2022State Violation/Reminder Notice24 linked violations
- October 27, 2020State Violation/Reminder Notice30 linked violations
- June 24, 2020State Compliance achieved28 linked violations
- February 3, 2017State Violation/Reminder Notice86 linked violations
- October 14, 2016State Violation/Reminder Notice252 linked violations
- October 15, 2014State Violation/Reminder Notice124 linked violations
Contact
WILKINSON, TIM
406-788-3741
GREAT FALLS, MT 59404