GREYCLIFF, MT · Sweet Grass County
COTTONWOOD ESTATES 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)
- MT0004006
- System type
- Community Water System
- Population served
- 50
- Service connections
- 17
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Source Water (GWR)
—E. COLI
February 18, 2020 – March 9, 2020
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2014 – March 5, 2015
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – November 3, 2014
ResolvedMonitoring, Regular
—Asbestos
January 1, 2011 – December 31, 2013
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2010 – July 29, 2010
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2007 – October 31, 2007
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
January 1, 2007 – January 31, 2007
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
April 1, 2004 – April 30, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1998 – July 31, 1998
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Nickel
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 1996 – December 31, 1998
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| February 18, 2020 – March 9, 2020 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| December 30, 2014 – March 5, 2015 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| July 1, 2014 – November 3, 2014 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Asbestos | — | Resolved |
| July 1, 2010 – July 29, 2010 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2007 – October 31, 2007 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2007 – January 31, 2007 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 2004 – April 30, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 1998 – July 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Thallium, Total | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- March 16, 2020State Public Notification requested3 linked violations
- November 3, 2014State Compliance achieved3 linked violations
- November 15, 2013State Public Notification received2 linked violations
- October 23, 2013State Public Notification requested2 linked violations
- August 1, 2011State Public Notification requested3 linked violations
- August 7, 2010State Violation/Reminder Notice3 linked violations
- August 7, 2010State Public Notification requested3 linked violations
- July 29, 2010State Compliance achieved3 linked violations
- December 1, 2009State Public Notification received1 linked violation
- November 12, 2009State Public Notification requested1 linked violation
- November 12, 2009State Violation/Reminder Notice19 linked violations
- November 12, 2009State Violation/Reminder Notice1 linked violation
- December 2, 2008State Compliance achieved4 linked violations
- July 24, 2007State Compliance achieved4 linked violations
- February 14, 2007State Compliance achieved7 linked violations
- February 5, 2007State Violation/Reminder Notice3 linked violations
- January 5, 2007State Violation/Reminder Notice4 linked violations
- January 4, 2005State Violation/Reminder Notice8 linked violations
- April 22, 2004State Public Notification requested2 linked violations
Contact
SMITH, THOMAS R.
406-930-2074
GREYCLIFF, MT 59033