COLUMBIA FALLS, MT · Flathead County
NORTHWOODS WATER SYSTEM COOP INC 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)
- MT0001736
- System type
- Community Water System
- Population served
- 135
- Service connections
- 47
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Failure To Address Deficiency
Health-basedGroundwater Rule
July 7, 2015 – October 30, 2017
ResolvedMonitoring, Regular
—Asbestos
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
July 1, 1997 – July 31, 1997
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
August 1, 1995 – August 31, 1995
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1995 – August 31, 1995
ResolvedMonitoring, Regular
—Nitrate
January 1, 1993 – December 31, 1993
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1983 – September 30, 1984
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 7, 2015 – October 30, 2017 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Asbestos | — | Resolved |
| July 1, 1997 – July 31, 1997 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 1995 – August 31, 1995 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 1995 – August 31, 1995 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 1983 – September 30, 1984 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 7, 2015State Public Notification requested3 linked violations
- January 24, 2014State Public Notification requested1 linked violation
- January 24, 2014State Compliance achieved2 linked violations
- January 8, 2009State Compliance achieved5 linked violations
- October 10, 1984State no additional Formal Action needed1 linked violation
Contact
PIRRIE, GAVIN G
406-871-3368
COLUMBIA FALLS, MT 59912