Public Water Partners

BELGRADE, MT · Gallatin County

RIVER ROCK COUNTY WATER AND SEWER DIST Water System

Consumer Confidence Report status

RIVER ROCK COUNTY WATER AND SEWER DIST 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 RIVER ROCK COUNTY WATER AND SEWER DIST.

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)
MT0004082
System type
Community Water System
Population served
4,200
Service connections
1,204
Ownership
privately owned
Water source
groundwater (wells)

RIVER ROCK COUNTY WATER AND SEWER DIST serves 4,200 people from groundwater, placing it in the 3,301 to 10,000 people size category.

As of August 1, 2026, its federal record holds 3 entries between 2014 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.

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 the Stage 2 Disinfectants and Disinfection Byproducts Rule and synthetic organic chemicals.

Violation history

  • Monitoring, Regular

    —

    Diquat

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    August 31, 2018 – August 30, 2019

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    September 1, 2014 – August 31, 2015

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is RIVER ROCK COUNTY WATER AND SEWER DIST required to publish a Consumer Confidence Report?

Yes. RIVER ROCK COUNTY WATER AND SEWER DIST 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 RIVER ROCK COUNTY WATER AND SEWER DIST’s next Consumer Confidence Report due?

RIVER ROCK COUNTY WATER AND SEWER DIST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does RIVER ROCK COUNTY WATER AND SEWER DIST have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for RIVER ROCK COUNTY WATER AND SEWER DIST.

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

CLARKSON, CHRISTINE

406-581-7644

BELGRADE, MT 59714