BILLINGS, MT · Yellowstone County
BLUE GRASS WATER USERS ASSOCIATION 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)
- MT0004093
- System type
- Community Water System
- Population served
- 60
- Service connections
- 18
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2021 – July 30, 2021
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2015 – September 22, 2015
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2015 – September 22, 2015
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2015 – September 22, 2015
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2015 – September 22, 2015
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2015 – September 22, 2015
ResolvedMonitoring, Regular
—Styrene
January 1, 2015 – September 22, 2015
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2015 – September 22, 2015
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2015 – September 22, 2015
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2015 – September 22, 2015
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Toluene
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Barium
January 1, 2014 – October 22, 2015
ResolvedMonitoring, Regular
—Asbestos
January 1, 2011 – December 31, 2013
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2021 – July 30, 2021 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2015 – September 22, 2015 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2015 – September 22, 2015 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2015 – September 22, 2015 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2015 – September 22, 2015 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2015 – September 22, 2015 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2015 – September 22, 2015 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2015 – September 22, 2015 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2015 – September 22, 2015 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2015 – September 22, 2015 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2014 – October 22, 2015 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Asbestos | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 27, 2016State Public Notification requested266 linked violations
Contact
BRANDON, JACK
406-672-5445
BILLINGS, MT 59106