Public Water Partners

HAMILTON, MT · Ravalli County

BIG SKY TRAILER CT HAMILTON Water System

Consumer Confidence Report status

BIG SKY TRAILER CT HAMILTON 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 BIG SKY TRAILER CT HAMILTON.

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)
MT0000504
System type
Community Water System
Population served
70
Service connections
32
Ownership
privately owned
Water source
groundwater (wells)

BIG SKY TRAILER CT HAMILTON is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 70 people from groundwater.

As of August 1, 2026, its federal record holds 24 entries between 1999 and 2012, all of which EPA lists as closed. Nothing has been added since 2012.

All 24 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 volatile organic chemicals, synthetic organic chemicals, and inorganic chemicals.

Violation history

  • Monitoring, Regular

    —

    Nitrate-Nitrite

    January 1, 2012 – January 30, 2012

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    Xylenes, Total

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 1999 – December 31, 2001

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 1999 – December 31, 2001

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is BIG SKY TRAILER CT HAMILTON required to publish a Consumer Confidence Report?

Yes. BIG SKY TRAILER CT HAMILTON 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 BIG SKY TRAILER CT HAMILTON’s next Consumer Confidence Report due?

BIG SKY TRAILER CT HAMILTON’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does BIG SKY TRAILER CT HAMILTON have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for BIG SKY TRAILER CT HAMILTON.

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

CHILD, ROB

406-360-2732

HAMILTON, MT 59840