BOISE, ID · Elmore County
MOUNTAIN SAGE Water System
Consumer Confidence Report status
MOUNTAIN SAGE 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 MOUNTAIN SAGE.
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 Idaho’s official records. Always confirm current status with Idaho before making decisions based on this information.
System facts
- System ID (PWSID)
- ID4200073
- System type
- Community Water System
- Population served
- 65
- Service connections
- 28
- Ownership
- privately owned
- Water source
- groundwater (wells)
MOUNTAIN SAGE is one of 969 community water systems in Idaho in the 500 or fewer people size category, serving 65 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 2023 and 2025, all of which EPA lists as closed.
All 3 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 synthetic organic chemicals and inorganic chemicals.
Violation history
Monitoring, Regular
—Dinoseb
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—2,4,5-TP
July 1, 2025 – September 30, 2025
ResolvedMonitoring, Regular
—Mercury
January 1, 2023 – December 31, 2025
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 |
|---|---|---|---|---|
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Dinoseb | — | Resolved |
| July 1, 2025 – September 30, 2025 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Mercury | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- February 27, 2026State Public Notification requested9 linked violations
- February 27, 2026State Public Notification requested21 linked violations
- February 27, 2026State Public Notification requested1 linked violation
- February 27, 2026State Public Notification requested29 linked violations
- February 27, 2026State Public Notification requested1 linked violation
- February 24, 2026State Violation/Reminder Notice1 linked violation
- February 24, 2026State Violation/Reminder Notice1 linked violation
- February 24, 2026State Violation/Reminder Notice30 linked violations
- February 24, 2026State Violation/Reminder Notice22 linked violations
- November 23, 2025State Public Notification requested1 linked violation
- November 23, 2025State Public Notification requested1 linked violation
- November 23, 2025State Public Notification requested1 linked violation
- November 23, 2025State Public Notification requested1 linked violation
- November 23, 2025State Public Notification requested22 linked violations
- November 23, 2025State Public Notification requested29 linked violations
- November 20, 2025State Violation/Reminder Notice2 linked violations
- November 20, 2025State Violation/Reminder Notice1 linked violation
- November 20, 2025State Violation/Reminder Notice21 linked violations
- November 20, 2025State Violation/Reminder Notice29 linked violations
- November 20, 2025State Violation/Reminder Notice2 linked violations
- June 24, 2025State Compliance achieved3 linked violations
- March 17, 2025State Public Notification requested1 linked violation
- March 17, 2025State Compliance achieved1 linked violation
- March 17, 2025State Compliance achieved1 linked violation
- March 14, 2025State Violation/Reminder Notice1 linked violation
- February 22, 2025State Public Notification requested1 linked violation
- February 19, 2025State Public Notification requested1 linked violation
- February 19, 2025State Violation/Reminder Notice1 linked violation
- February 19, 2025State Boil Water Order1 linked violation
- February 19, 2025State Violation/Reminder Notice1 linked violation
- November 17, 2024State Public Notification requested1 linked violation
- November 17, 2024State Public Notification requested1 linked violation
- November 14, 2024State Violation/Reminder Notice1 linked violation
- November 14, 2024State Violation/Reminder Notice1 linked violation
- December 10, 2022State Public Notification requested1 linked violation
- December 10, 2022State Public Notification requested1 linked violation
- December 7, 2022State Violation/Reminder Notice2 linked violations
- December 7, 2022State Violation/Reminder Notice1 linked violation
- November 27, 2018State Compliance achieved2 linked violations
- October 23, 2018State Intentional no-action1 linked violation
- June 8, 2018State Compliance achieved1 linked violation
- May 11, 2018State Violation/Reminder Notice2 linked violations
- August 7, 2017State Public Notification requested2 linked violations
- December 19, 2015State Public Notification requested2 linked violations
- October 10, 2013State Public Notification requested1 linked violation
- October 7, 2013State Violation/Reminder Notice3 linked violations
- May 24, 2013State Compliance achieved4 linked violations
- November 5, 2012State Compliance achieved2 linked violations
- September 8, 2012State Public Notification requested2 linked violations
- August 4, 2012State Public Notification requested4 linked violations
- October 22, 2004State Compliance achieved8 linked violations
- June 2, 2003State Compliance achieved17 linked violations
Common questions
Is MOUNTAIN SAGE required to publish a Consumer Confidence Report?
- Yes. MOUNTAIN SAGE 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 MOUNTAIN SAGE’s next Consumer Confidence Report due?
- MOUNTAIN SAGE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MOUNTAIN SAGE have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MOUNTAIN SAGE.
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
CRUSE, KAYSA
203-464-7636
BOISE, ID 83707