SEELEY LAKE, MT · Missoula County
SEELEY LAKE WATER DISTRICT 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)
- MT0000327
- System type
- Community Water System
- Population served
- 1,575
- Service connections
- 620
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Regular
—Asbestos
January 1, 2020 – December 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2018 – June 30, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2018 – June 30, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2017 – July 27, 2017
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
October 1, 2010 – December 31, 2010
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Toluene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Benzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
July 1, 2007 – July 31, 2007
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – July 31, 2008
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
July 1, 2007 – September 30, 2007
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
April 1, 2007 – June 30, 2007
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Arsenic
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Arsenic
January 1, 1999 – December 31, 1999
ResolvedMonitoring, Regular
—Benzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Styrene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Arsenic
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Styrene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Toluene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 1996 – December 31, 1998
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Asbestos | — | Resolved |
| April 1, 2018 – June 30, 2018 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2018 – June 30, 2018 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2017 – July 27, 2017 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2010 – December 31, 2010 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| July 1, 2007 – July 31, 2007 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| July 1, 2007 – July 31, 2008 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2007 – September 30, 2007 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| April 1, 2007 – June 30, 2007 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| October 1, 2006 – December 31, 2006 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1999 – December 31, 1999 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 16, 2024State Compliance achieved1 linked violation
- January 24, 2023State Public Notification requested1 linked violation
- January 24, 2023State Violation/Reminder Notice1 linked violation
- September 10, 2018State Compliance achieved1 linked violation
- September 10, 2018State Compliance achieved1 linked violation
- July 18, 2018State Public Notification requested1 linked violation
- July 18, 2018State Violation/Reminder Notice1 linked violation
- July 17, 2018State Violation/Reminder Notice1 linked violation
- July 17, 2018State Public Notification requested1 linked violation
- July 27, 2017State Compliance achieved1 linked violation
- July 20, 2017State Violation/Reminder Notice1 linked violation
- February 8, 2013State Compliance achieved2 linked violations
- January 20, 2011State Public Notification requested1 linked violation
- January 20, 2011State Violation/Reminder Notice1 linked violation
- March 9, 2010State Public Notification received1 linked violation
- March 3, 2010State Compliance achieved21 linked violations
- January 20, 2010State Public Notification requested1 linked violation
- January 20, 2010State Violation/Reminder Notice2 linked violations
- January 19, 2010State Public Notification requested21 linked violations
- August 5, 2008State Compliance achieved2 linked violations
- August 5, 2008State Violation/Reminder Notice4 linked violations
- July 31, 2008State Compliance achieved4 linked violations
- July 8, 2008State no additional Formal Action needed6 linked violations
- July 8, 2008Federal Final Administrative Order issued6 linked violations
- May 6, 2008State Intentional no-action7 linked violations
- April 23, 2008State Public Notification requested2 linked violations
- April 23, 2008State Violation/Reminder Notice4 linked violations
- February 12, 2008State Compliance achieved7 linked violations
- November 10, 2007State Public Notification requested3 linked violations
- November 10, 2007State Violation/Reminder Notice1 linked violation
- April 11, 2007State Public Notification received3 linked violations
- February 2, 2007State Compliance achieved4 linked violations
- January 14, 2007State Violation/Reminder Notice2 linked violations
- January 8, 2007State Public Notification requested23 linked violations
- June 27, 2002State Compliance achieved2 linked violations
- June 9, 2000State Compliance achieved50 linked violations
- April 3, 1999State Public Notification requested1 linked violation
- April 3, 1999State Violation/Reminder Notice1 linked violation
Contact
DERRY, FELICITY
406-677-2559
SEELEY LAKE, MT 59868