NORTHWOODS WATER SYSTEM COOP INC
Montana - Community Water System - PWSID: MT0001736
System Information
| PWSID | MT0001736 |
| System Name | NORTHWOODS WATER SYSTEM COOP INC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 5, 1980 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | COLUMBIA FALLS |
| ZIP Code | 59912 |
| Address | 305 DUNWOODY LN |
| Organization | PIRRIE, GAVIN G |
| Phone | 406-871-3368 |
Population & Service
| Population Served | 135 |
| Service Connections | 47 |
Drinking Water Violations (24)
This water system has 24 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 7, 2015 | - | TT | Yes | No | - | - | - | Resolved | Oct 30, 2017 | - | |
| Jul 7, 2015 | - | TT | Yes | No | - | - | - | Resolved | Oct 30, 2017 | - | |
| Jul 7, 2015 | - | TT | Yes | No | - | - | - | Resolved | Oct 30, 2017 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2000 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1997 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1996 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1996 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 3, 1996 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 3, 1996 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Oct 1, 1983 | Sep 30, 1984 | MR | No | Yes | - | 15 pCi/L | - | Archived | Sep 30, 1984 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.