KALISPELL, MT · Flathead County
THOMPSON RANCHETTES II 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)
- MT0002893
- System type
- Community Water System
- Population served
- 100
- Service connections
- 32
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2020 – November 6, 2020
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2011 – September 30, 2012
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 2009 – March 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1997 – August 31, 1997
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Heptachlor
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Chlordane
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Atrazine
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—LASSO
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Toxaphene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Endrin
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Nickel
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Selenium
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Simazine
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Nitrate
January 1, 1993 – December 31, 1993
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2020 – November 6, 2020 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 1, 2011 – September 30, 2012 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| March 1, 2009 – March 31, 2009 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 1997 – August 31, 1997 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- November 6, 2020State Compliance achieved1 linked violation
- October 27, 2020State Violation/Reminder Notice1 linked violation
- September 30, 2012State Compliance achieved1 linked violation
- October 31, 2011State Public Notification requested1 linked violation
- October 31, 2011State Violation/Reminder Notice1 linked violation
- May 7, 2010State Compliance achieved1 linked violation
- November 17, 2009State Public Notification requested1 linked violation
- November 17, 2009State Violation/Reminder Notice1 linked violation
- November 12, 2009State Violation/Reminder Notice1 linked violation
- November 12, 2009State Compliance achieved2 linked violations
- May 15, 2009State Compliance achieved1 linked violation
- May 15, 2009State Compliance achieved1 linked violation
- April 8, 2009State Public Notification received1 linked violation
- March 23, 2009State Public Notification requested1 linked violation
- March 23, 2009State Violation/Reminder Notice1 linked violation
- March 23, 2009State Violation/Reminder Notice1 linked violation
- December 31, 2008State Compliance achieved25 linked violations
- August 17, 2008State Public Notification requested1 linked violation
- August 17, 2008State Violation/Reminder Notice2 linked violations
- September 21, 2005State Compliance achieved1 linked violation
- December 31, 2000State Compliance achieved2 linked violations
- October 21, 1997State Violation/Reminder Notice1 linked violation
- July 7, 1995State Violation/Reminder Notice3 linked violations
Contact
OLSEN, G.D.
406-249-7066
KALISPELL, MT 59901