Is ROCK RIVER, TOWN OF required to publish a Consumer Confidence Report?

Yes. ROCK RIVER, TOWN OF 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 ROCK RIVER, TOWN OF’s next Consumer Confidence Report due?

ROCK RIVER, TOWN OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

ROCK RIVER, WY · Albany County

ROCK RIVER, TOWN OF Water System

Consumer Confidence Report status

ROCK RIVER, TOWN OF 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 ROCK RIVER, TOWN OF.

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 Wyoming’s official records. Always confirm current status with Wyoming before making decisions based on this information.

System facts

System ID (PWSID): WY5600048
System type: Community Water System
Population served: 211
Service connections: 184
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

ROCK RIVER, TOWN OF is one of 486 community water systems in Wyoming in the 500 or fewer people size category, serving 211 people from surface water.

As of August 1, 2026, its federal record holds 4 entries between 1976 and 2011, all of which EPA lists as closed. Nothing has been added since 2011.

Of the 4, 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 the Stage 1 Disinfectants and Disinfection Byproducts Rule and the Radionuclides and Revised Rad Rule.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2009 – March 31, 2009
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1976 – June 30, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 1976 – June 30, 1980
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
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
July 1, 1976 – June 30, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
July 1, 1976 – June 30, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

December 5, 2012State Compliance achieved5 linked violations
July 4, 2011State Compliance achieved6 linked violations
March 8, 2011State Compliance achieved2 linked violations
February 28, 2011State Violation/Reminder Notice3 linked violations
September 28, 2010Federal Complaint for Penalty issued8 linked violations
June 18, 2009Federal Final Administrative Order issued17 linked violations
March 5, 2007State Public Notification received36 linked violations
September 30, 1982State Violation/Reminder Notice9 linked violations

Common questions

Is ROCK RIVER, TOWN OF required to publish a Consumer Confidence Report?: Yes. ROCK RIVER, TOWN OF 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 ROCK RIVER, TOWN OF’s next Consumer Confidence Report due?: ROCK RIVER, TOWN OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ROCK RIVER, TOWN OF have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for ROCK RIVER, TOWN OF.
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

STRICKLIN, RICK

307-460-8441

ROCK RIVER, WY 82083