EAST HELENA, MT · Lewis and Clark County
MASONIC HOME OF MONTANA 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)
- MT0000245
- System type
- Community Water System
- Population served
- 90
- Service connections
- 3
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Lead Consumer Notice
—Lead and Copper Rule
December 30, 2021 – January 5, 2022
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2020 – July 28, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2019 – September 30, 2019
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2017 – June 18, 2018
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2012 – September 11, 2013
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – July 31, 2008
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Styrene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2004 – December 31, 2004
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2004 – December 31, 2004
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1999 – June 30, 1999
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 30, 2021 – January 5, 2022 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| July 1, 2020 – July 28, 2020 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| September 1, 2019 – September 30, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2017 – June 18, 2018 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2012 – September 11, 2013 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| July 1, 2007 – July 31, 2008 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2004 – December 31, 2004 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| June 1, 1999 – June 30, 1999 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 5, 2022State Compliance achieved1 linked violation
- January 4, 2022State Violation/Reminder Notice1 linked violation
- July 28, 2020State Compliance achieved1 linked violation
- July 20, 2020State Violation/Reminder Notice1 linked violation
- October 23, 2019State Public Notification received1 linked violation
- October 16, 2019State Public Notification requested1 linked violation
- October 16, 2019State Violation/Reminder Notice1 linked violation
- October 8, 2019State Compliance achieved1 linked violation
- June 18, 2018State Compliance achieved1 linked violation
- October 23, 2017State Public Notification requested1 linked violation
- October 23, 2017State Violation/Reminder Notice1 linked violation
- September 11, 2013State Compliance achieved1 linked violation
- February 15, 2012State Violation/Reminder Notice1 linked violation
- January 7, 2009State Compliance achieved3 linked violations
- August 5, 2008State Public Notification requested1 linked violation
- August 5, 2008State Violation/Reminder Notice1 linked violation
- July 31, 2008State Compliance achieved1 linked violation
- March 17, 2008State Compliance achieved21 linked violations
- February 6, 2008State Public Notification requested21 linked violations
- February 6, 2008State Violation/Reminder Notice21 linked violations
- April 3, 2006State Public Notification requested2 linked violations
- April 3, 2006State Compliance achieved2 linked violations
- April 3, 2006State Violation/Reminder Notice2 linked violations
- December 31, 2000State Compliance achieved1 linked violation
- December 31, 2000State Violation/Reminder Notice1 linked violation
- April 3, 1999State Public Notification requested1 linked violation
- April 3, 1999State Violation/Reminder Notice1 linked violation
- March 4, 1999State Violation/Reminder Notice1 linked violation
- March 4, 1999State Public Notification requested1 linked violation
Contact
ROCKY MOUNTAIN OPERATIONS
406-442-2949
EAST HELENA, MT 59635