SWEET GRASS, MT · Toole County
HILLSIDE COLONY INC 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)
- MT0001782
- System type
- Community Water System
- Population served
- 100
- Service connections
- 12
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2015 – July 20, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2015 – June 30, 2015
ResolvedMonitoring, Regular
—Nitrate-Nitrite
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Nitrate-Nitrite
April 1, 2012 – June 30, 2012
ResolvedMonitoring, Regular
—Nitrate-Nitrite
October 1, 2011 – December 31, 2011
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2008 – December 31, 2016
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2005 – September 30, 2005
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2003 – August 31, 2003
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1999 – August 31, 1999
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1997 – August 31, 1997
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 1996 – December 31, 1996
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
July 1, 1992 – July 31, 1992
Resolved
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2015 – July 20, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| June 1, 2015 – June 30, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| April 1, 2012 – June 30, 2012 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| October 1, 2011 – December 31, 2011 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| January 1, 2008 – December 31, 2016 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| September 1, 2005 – September 30, 2005 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2003 – August 31, 2003 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 1999 – August 31, 1999 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 1997 – August 31, 1997 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 1996 – December 31, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1992 – July 31, 1992 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 21, 2015State Compliance achieved2 linked violations
- July 15, 2015State Public Notification requested2 linked violations
- July 15, 2015State Violation/Reminder Notice2 linked violations
- November 1, 2012State Compliance achieved2 linked violations
- October 17, 2012State Public Notification requested2 linked violations
- July 16, 2012State Violation/Reminder Notice1 linked violation
- July 16, 2012State Public Notification requested2 linked violations
- July 16, 2012State Public Notification requested2 linked violations
- March 27, 2012State Compliance achieved1 linked violation
- February 15, 2012State Public Notification requested2 linked violations
- February 15, 2012State Violation/Reminder Notice2 linked violations
- September 29, 2005State Public Notification requested5 linked violations
- September 24, 2003State Compliance achieved1 linked violation
- September 24, 2003State Violation/Reminder Notice2 linked violations
- July 16, 1992State Violation/Reminder Notice4 linked violations
Contact
WURZ, MIKE M
406-937-2966
SWEET GRASS, MT 59484