BOX ELDER, 08
ROCKY BOY AGENCY WATER SYSTEM 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 EPA Region 8’s official records. Always confirm current status with EPA Region 8 before making decisions based on this information.
System facts
- System ID (PWSID)
- 083090079
- System type
- Community Water System
- Population served
- 1,442
- Service connections
- 150
- Ownership
- Native American tribal
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Chlordane
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Benzene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Toluene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Styrene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Endrin
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Dalapon
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Diquat
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Simazine
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—2,4-D
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2011 – December 31, 2011
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 24, 2017State no longer subject to Rule445 linked violations
Contact
NAULT, TIM
406-301-1852
BOX ELDER, MT 59521