Is CHAIN O LAKES VILLAGE PWS required to publish a Consumer Confidence Report?

Yes. CHAIN O LAKES VILLAGE PWS 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 CHAIN O LAKES VILLAGE PWS’s next Consumer Confidence Report due?

CHAIN O LAKES VILLAGE PWS’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.

EAGLE ROCK, MO · Barry County

CHAIN O LAKES VILLAGE PWS Water System

Consumer Confidence Report status

CHAIN O LAKES VILLAGE PWS 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 1 item for CHAIN O LAKES VILLAGE PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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

System facts

System ID (PWSID): MO5010968
System type: Community Water System
Population served: 207
Service connections: 83
Ownership: local government
Water source: groundwater (wells)

CHAIN O LAKES VILLAGE PWS is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, serving 207 people from groundwater.

As of August 1, 2026, its federal record holds 8 entries between 1991 and 2024, of which 1 remains open; none are health-based.

Of the 8, 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 Consumer Confidence Rule, the Total Coliform Rules, and the Lead and Copper Rule.

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
October 1, 2024 – April 9, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2024
Unaddressed
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2023 – November 1, 2023
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
March 5, 2017 – May 8, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 2016 – December 31, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – July 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1991 – July 31, 1991
Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2024 – April 9, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
July 1, 2023 – November 1, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
March 5, 2017 – May 8, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
July 1, 2014 – July 31, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
March 1, 2008 – March 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 1991 – July 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is CHAIN O LAKES VILLAGE PWS required to publish a Consumer Confidence Report?: Yes. CHAIN O LAKES VILLAGE PWS 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 CHAIN O LAKES VILLAGE PWS’s next Consumer Confidence Report due?: CHAIN O LAKES VILLAGE PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CHAIN O LAKES VILLAGE PWS have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for CHAIN O LAKES VILLAGE PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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

DACUS, PATRICIA

251-504-7558

EAGLE ROCK, MO 65641-0000