NOXON, MT · Sanders County
AVISTA UTILITIES NOXON RAPIDS DAM 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)
- MT0000300
- System type
- Community Water System
- Population served
- 43
- Service connections
- 13
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Asbestos
January 1, 2020 – December 31, 2022
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2010 – February 14, 2011
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2005 – August 12, 2009
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2004 – August 11, 2006
ResolvedMonitoring, Regular
—Arsenic
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Nitrate
January 1, 1981 – January 31, 1981
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Asbestos | — | Resolved |
| January 1, 2010 – February 14, 2011 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| July 1, 2005 – August 12, 2009 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 1, 2004 – August 11, 2006 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 1981 – January 31, 1981 | Monitoring, Regular | Nitrate | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 12, 2024State Public Notification requested3 linked violations
- February 14, 2011State Compliance achieved9 linked violations
- January 13, 2011State Violation/Reminder Notice4 linked violations
- August 12, 2009State Compliance achieved3 linked violations
Contact
KELLY, SEAN J
406-847-6801
NOXON, MT 59853