Public Water Partners

LAUREL, MT · Carbon County

RIO VISTA ESTATES HOA ASSOC INC Water System

Consumer Confidence Report status

RIO VISTA ESTATES HOA ASSOC INC 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 RIO VISTA ESTATES HOA ASSOC INC.

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)
MT0004480
System type
Community Water System
Population served
50
Service connections
29
Ownership
privately owned
Water source
groundwater (wells)

RIO VISTA ESTATES HOA ASSOC INC is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 50 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 2014, all of which EPA lists as closed. Nothing has been added since 2014.

All 1 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 1 Disinfectants and Disinfection Byproducts Rule.

Violation history

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    April 1, 2014 – June 30, 2014

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is RIO VISTA ESTATES HOA ASSOC INC required to publish a Consumer Confidence Report?

Yes. RIO VISTA ESTATES HOA ASSOC INC 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 RIO VISTA ESTATES HOA ASSOC INC’s next Consumer Confidence Report due?

RIO VISTA ESTATES HOA ASSOC INC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does RIO VISTA ESTATES HOA ASSOC INC have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for RIO VISTA ESTATES HOA ASSOC INC.

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

SPITZER, DARCI

406-543-8033

LAUREL, MT 59044