NOXON, MT · Sanders County
AVISTA UTILITIES NOXON RAPIDS DAM Water System
Consumer Confidence Report status
AVISTA UTILITIES NOXON RAPIDS DAM must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for AVISTA UTILITIES NOXON RAPIDS DAM.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
AVISTA UTILITIES NOXON RAPIDS DAM is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 43 people from groundwater.
As of August 1, 2026, its federal record holds 6 entries between 1981 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.
Of the 6, 5 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Lead and Copper Rule, and the Consumer Confidence Rule.
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, Routine Major (TCR)
—Coliform (TCR)
February 1, 1994 – February 28, 1994
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 |
| February 1, 1994 – February 28, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | 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
Common questions
Is AVISTA UTILITIES NOXON RAPIDS DAM required to publish a Consumer Confidence Report?
- Yes. AVISTA UTILITIES NOXON RAPIDS DAM is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is AVISTA UTILITIES NOXON RAPIDS DAM’s next Consumer Confidence Report due?
- AVISTA UTILITIES NOXON RAPIDS DAM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does AVISTA UTILITIES NOXON RAPIDS DAM have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for AVISTA UTILITIES NOXON RAPIDS DAM.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
KELLY, SEAN J
406-847-6801
NOXON, MT 59853