COLUMBUS, MT · Stillwater County
COLUMBUS TOWN OF Water System
Consumer Confidence Report status
COLUMBUS TOWN OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for COLUMBUS TOWN OF.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
COLUMBUS TOWN OF is one of 123 community water systems in Montana in the 501 to 3,300 people size category, serving 1,900 people from groundwater.
As of August 1, 2026, its federal record holds 56 entries between 1993 and 2018, all of which EPA lists as closed. Nothing has been added since 2018.
Of the 56, 55 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, the Total Coliform Rules, and the Lead and Copper Rule.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2018 – July 31, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 23, 2018
ResolvedMonitoring, Regular
—Toluene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Benzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Styrene
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
—cis-1,2-Dichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Benzene
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
—Toluene
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)
November 1, 1998 – November 30, 1998
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 1998 – October 31, 1998
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1998 – August 31, 1998
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
July 1, 1993 – December 31, 1993
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2018 – July 31, 2018 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2018 – July 23, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Styrene | — | 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 | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Benzene | — | 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 | Toluene | — | 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 |
| November 1, 1998 – November 30, 1998 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 1998 – October 31, 1998 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 1998 – August 31, 1998 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1993 – December 31, 1993 | Water Quality Parameter M/R | Lead and Copper Rule | — | 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 Violation/Reminder Notice1 linked violation
- May 26, 2009State Compliance achieved2 linked violations
- 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
Common questions
Is COLUMBUS TOWN OF required to publish a Consumer Confidence Report?
- Yes. COLUMBUS TOWN OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is COLUMBUS TOWN OF’s next Consumer Confidence Report due?
- COLUMBUS TOWN OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does COLUMBUS TOWN OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for COLUMBUS TOWN OF.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
BROOKSHIRE, PEYTON
406-322-4424
COLUMBUS, MT 59019