CASSVILLE, MO · Barry County
BUTTERFIELD PWS Water System
Consumer Confidence Report status
BUTTERFIELD 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 BUTTERFIELD 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)
- MO5010119
- System type
- Community Water System
- Population served
- 528
- Service connections
- 173
- Ownership
- local government
- Water source
- groundwater (wells)
BUTTERFIELD PWS is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 528 people from groundwater.
As of August 1, 2026, its federal record holds 5 entries between 2010 and 2025, of which 1 remains open; none are health-based.
Of the 5, 4 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 Lead and Copper Rule, the Total Coliform Rules, and the Consumer Confidence Rule.
Violation history
Notification, Known or Potential LSL
—LEAD AND COPPER RULE REVISIONS
July 2, 2025
UnaddressedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
May 1, 2025 – May 31, 2025
ResolvedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024 – October 21, 2024
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2019 – November 26, 2019
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2010 – June 30, 2010
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 2, 2025 | Notification, Known or Potential LSL | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| May 1, 2025 – May 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 17, 2024 – October 21, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Resolved |
| July 1, 2019 – November 26, 2019 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| June 1, 2010 – June 30, 2010 | Monitoring, Routine Major (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 BUTTERFIELD PWS required to publish a Consumer Confidence Report?
- Yes. BUTTERFIELD 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 BUTTERFIELD PWS’s next Consumer Confidence Report due?
- BUTTERFIELD PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does BUTTERFIELD PWS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for BUTTERFIELD 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
COPE, TONY
Phone not on record
CASSVILLE, MO 65625-0000