LIVINGSTON, MT · Park County
WINDMILL TRAILER PARK WELL 1 Water System
Consumer Confidence Report status
WINDMILL TRAILER PARK WELL 1 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 WINDMILL TRAILER PARK WELL 1.
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)
- MT0000474
- System type
- Community Water System
- Population served
- 110
- Service connections
- 36
- Ownership
- privately owned
- Water source
- groundwater (wells)
WINDMILL TRAILER PARK WELL 1 is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 110 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 1999 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.
Of the 3, 2 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 and the Lead and Copper Rule.
Violation history
Monitoring, Regular
—Thallium, Total
January 1, 2020 – December 31, 2022
ResolvedPublic Education
Health-basedLead and Copper Rule
November 23, 2008 – August 31, 2009
ResolvedMonitoring, Regular
—Arsenic
January 1, 1999 – December 31, 2001
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Thallium, Total | — | Resolved |
| November 23, 2008 – August 31, 2009 | Public Education | Lead and Copper Rule | Health-based | Resolved |
| January 1, 1999 – December 31, 2001 | Monitoring, Regular | Arsenic | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 22, 2023State Compliance achieved1 linked violation
- January 25, 2023State Public Notification requested1 linked violation
- January 25, 2023State Violation/Reminder Notice1 linked violation
- July 28, 2010State Compliance achieved1 linked violation
- June 15, 2010State Compliance achieved1 linked violation
- August 10, 2009State Public Notification requested1 linked violation
- August 10, 2009State Violation/Reminder Notice1 linked violation
- August 5, 2009State Other3 linked violations
- January 4, 2005State Public Notification requested1 linked violation
- January 4, 2005State Violation/Reminder Notice1 linked violation
- December 2, 2002State Compliance achieved2 linked violations
- July 25, 2002State Public Notification requested5 linked violations
- January 2, 2002State Compliance achieved26 linked violations
Common questions
Is WINDMILL TRAILER PARK WELL 1 required to publish a Consumer Confidence Report?
- Yes. WINDMILL TRAILER PARK WELL 1 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 WINDMILL TRAILER PARK WELL 1’s next Consumer Confidence Report due?
- WINDMILL TRAILER PARK WELL 1’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WINDMILL TRAILER PARK WELL 1 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WINDMILL TRAILER PARK WELL 1.
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
VIERS SR, RUSSELL
406-222-2784
LIVINGSTON, MT 59047-4122