SHELL KNOB, MO · Barry County
TWIN RIVERS SUBD Water System
Consumer Confidence Report status
TWIN RIVERS SUBD 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 TWIN RIVERS SUBD 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)
- MO5036195
- System type
- Community Water System
- Population served
- 72
- Service connections
- 36
- Ownership
- privately owned
- Water source
- groundwater (wells)
TWIN RIVERS SUBD is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, serving 72 people from groundwater.
As of August 1, 2026, its federal record holds 12 entries between 2003 and 2025, of which 1 remains open; none are health-based.
Of the 12, 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 Consumer Confidence Rule, the Total Coliform Rules, and the Lead and Copper Rule.
Violation history
Lead Consumer Notice
—Lead and Copper Rule
December 30, 2025
UnaddressedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024 – December 8, 2024
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2022 – June 5, 2023
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2021 – December 6, 2021
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2020 – November 9, 2020
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2015 – July 31, 2015
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2013 – January 27, 2016
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2012 – January 27, 2016
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2012 – May 31, 2012
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
October 11, 2010 – September 28, 2010
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2010 – August 31, 2010
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 2003 – August 31, 2003
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 30, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Unaddressed |
| October 17, 2024 – December 8, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Resolved |
| July 1, 2022 – June 5, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2021 – December 6, 2021 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2020 – November 9, 2020 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2015 – July 31, 2015 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2013 – January 27, 2016 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2012 – January 27, 2016 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| May 1, 2012 – May 31, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 11, 2010 – September 28, 2010 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| August 1, 2010 – August 31, 2010 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2003 – August 31, 2003 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is TWIN RIVERS SUBD required to publish a Consumer Confidence Report?
- Yes. TWIN RIVERS SUBD 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 TWIN RIVERS SUBD’s next Consumer Confidence Report due?
- TWIN RIVERS SUBD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TWIN RIVERS SUBD have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for TWIN RIVERS SUBD 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
CAREY, JOHN
Phone not on record
SHELL KNOB, MO 65747-0000