COLUMBUS, MT · Stillwater County
COLUMBUS TOWN OF 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)
- MT0000185
- System type
- Community Water System
- Population served
- 1,900
- Service connections
- 957
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 23, 2018
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2018 – July 31, 2018
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Styrene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Toluene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Benzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Toluene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Benzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Styrene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2011 – September 30, 2011
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2011 – September 30, 2011
ResolvedMonitoring, Regular
—Asbestos
January 1, 2011 – December 7, 2011
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2009 – September 29, 2011
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2009 – September 30, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2009 – April 30, 2009
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2008 – December 31, 2008
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2001 – September 21, 2005
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 1998 – October 31, 1998
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 1998 – July 31, 1998
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 1996 – May 31, 1996
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2018 – July 23, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2018 – July 31, 2018 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Styrene | — | Resolved |
| July 1, 2011 – September 30, 2011 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2011 – September 30, 2011 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2011 – December 7, 2011 | Monitoring, Regular | Asbestos | — | Resolved |
| October 1, 2009 – September 29, 2011 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| September 1, 2009 – September 30, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2009 – April 30, 2009 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| October 1, 2001 – September 21, 2005 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| October 1, 1998 – October 31, 1998 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1998 – July 31, 1998 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 1996 – May 31, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 24, 2018State Public Notification received1 linked violation
- August 15, 2018State Public Notification requested1 linked violation
- August 15, 2018State Violation/Reminder Notice1 linked violation
- August 7, 2018State Compliance achieved1 linked violation
- July 23, 2018State Compliance achieved1 linked violation
- July 17, 2018State Violation/Reminder Notice1 linked violation
- February 22, 2016State Public Notification received21 linked violations
- February 2, 2016State Compliance achieved21 linked violations
- January 27, 2016State Public Notification requested21 linked violations
- January 27, 2016State Violation/Reminder Notice21 linked violations
- January 24, 2014State Public Notification requested1 linked violation
- January 24, 2014State Violation/Reminder Notice1 linked violation
- March 18, 2013State Compliance achieved21 linked violations
- January 11, 2013State Violation/Reminder Notice21 linked violations
- January 11, 2013State Public Notification requested21 linked violations
- June 27, 2012State Compliance achieved1 linked violation
- December 7, 2011State Compliance achieved1 linked violation
- November 15, 2011State Compliance achieved1 linked violation
- November 9, 2011State Public Notification requested1 linked violation
- November 9, 2011State Violation/Reminder Notice1 linked violation
- November 9, 2011State Public Notification requested1 linked violation
- November 9, 2011State Violation/Reminder Notice1 linked violation
- November 7, 2011State Violation/Reminder Notice1 linked violation
- November 7, 2011State Public Notification requested1 linked violation
- September 29, 2011State Compliance achieved1 linked violation
- December 7, 2009State Compliance achieved1 linked violation
- October 16, 2009State Public Notification requested2 linked violations
- October 16, 2009State Violation/Reminder Notice1 linked violation
- May 15, 2009State Violation/Reminder Notice1 linked violation
- May 15, 2009State Public Notification requested1 linked violation
- February 17, 2009State Compliance achieved1 linked violation
- January 27, 2009State Public Notification requested4 linked violations
- January 27, 2009State Violation/Reminder Notice1 linked violation
- December 31, 2008State Compliance achieved6 linked violations
- September 21, 2005State Compliance achieved1 linked violation
- March 1, 2001State Violation/Reminder Notice1 linked violation
- July 18, 1996State Violation/Reminder Notice1 linked violation
Contact
BROOKSHIRE, PEYTON
406-322-4424
COLUMBUS, MT 59019