WESTON, MO · Platte County
PLATTE COUNTY PWSD 3 Water System
Consumer Confidence Report status
PLATTE COUNTY PWSD 3 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 PLATTE COUNTY PWSD 3 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)
- MO1024477
- System type
- Community Water System
- Population served
- 615
- Service connections
- 366
- Ownership
- local government
- Water source
- groundwater (wells)
PLATTE COUNTY PWSD 3 is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 615 people from groundwater.
As of August 1, 2026, its federal record holds 13 entries between 1995 and 2025, of which 1 remains open; none are health-based.
Of the 13, 8 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 2 Disinfectants and Disinfection Byproducts Rule, the Lead and Copper Rule, and the Public Notice Rule and Revised PN Rule.
Violation history
Lead Consumer Notice
—Lead and Copper Rule
October 19, 2025
UnaddressedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2023 – December 31, 2023
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2023 – December 31, 2023
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
May 14, 2023 – May 17, 2023
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2022 – June 30, 2022
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2022 – March 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2022 – March 31, 2022
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2016 – March 31, 2016
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2015 – December 31, 2015
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2015 – September 30, 2015
ResolvedLead Consumer Notice
—Lead and Copper Rule
April 1, 2011 – April 29, 2016
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2010 – June 30, 2010
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
January 1, 1995 – December 31, 1994
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 19, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Unaddressed |
| October 1, 2023 – December 31, 2023 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| May 14, 2023 – May 17, 2023 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| April 1, 2022 – June 30, 2022 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2016 – March 31, 2016 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2015 – December 31, 2015 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2015 – September 30, 2015 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2011 – April 29, 2016 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| June 1, 2010 – June 30, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1995 – December 31, 1994 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | 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 PLATTE COUNTY PWSD 3 required to publish a Consumer Confidence Report?
- Yes. PLATTE COUNTY PWSD 3 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 PLATTE COUNTY PWSD 3’s next Consumer Confidence Report due?
- PLATTE COUNTY PWSD 3’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does PLATTE COUNTY PWSD 3 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for PLATTE COUNTY PWSD 3 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
MATHEWS, LORIENNE
816-582-5708
WESTON, MO 64098-0000