HAMILTON, MT · Ravalli County
BIG SKY TRAILER CT HAMILTON 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)
- MT0000504
- System type
- Community Water System
- Population served
- 70
- Service connections
- 32
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Nitrate-Nitrite
January 1, 2012 – January 30, 2012
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Dalapon
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Picloram
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—2,4-D
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Benzene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Styrene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Arsenic
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 1999 – December 31, 2001
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1996 – January 31, 1996
ResolvedMonitoring, Regular
—Nitrate
January 1, 1993 – December 31, 1993
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2012 – January 30, 2012 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 1996 – January 31, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 30, 2012State Compliance achieved2 linked violations
- February 7, 2008State Compliance achieved8 linked violations
- December 2, 2002State Compliance achieved22 linked violations
- March 1, 1996State Violation/Reminder Notice1 linked violation
Contact
CHILD, ROB
406-360-2732
HAMILTON, MT 59840