WALKER, MO · Vernon County
WALKER PWS Water System
Current status
1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- MO5010828
- System type
- Community Water System
- Population served
- 283
- Service connections
- 104
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Lead Consumer Notice
—Lead and Copper Rule
December 30, 2025
UnaddressedTreatment Technique (SWTR and GWR)
Health-basedGroundwater Rule
October 1, 2025 – October 31, 2025
ArchivedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
November 1, 2022 – November 30, 2022
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
October 1, 2022 – October 31, 2022
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
August 24, 2014 – July 1, 2014
ResolvedFailure to Consult with State
—Groundwater Rule
March 6, 2014 – July 31, 2014
ResolvedTreatment Technique (SWTR and GWR)
Health-basedGroundwater Rule
January 1, 2014 – January 31, 2014
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
December 1, 2013 – December 31, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2013 – November 30, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2013 – October 31, 2013
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
October 1, 2013 – October 31, 2013
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 2013 – August 31, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2013 – July 31, 2013
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
January 1, 2012 – January 31, 2012
ResolvedLead Consumer Notice
—Lead and Copper Rule
April 1, 2011 – July 11, 2011
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2011 – July 31, 2014
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 2010 – March 31, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedGross Alpha, Excl. Radon and U
December 22, 1982 – September 21, 1983
ArchivedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 21, 1980 – September 20, 1983
ArchivedMaximum Contaminant Level Violation, Average
Health-basedCombined Radium (-226 and -228)
April 21, 1980 – September 20, 1984
Archived
Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved 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 1, 2025 – October 31, 2025 | Treatment Technique (SWTR and GWR) | Groundwater Rule | Health-based | Archived |
| November 1, 2022 – November 30, 2022 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| October 1, 2022 – October 31, 2022 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| August 24, 2014 – July 1, 2014 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| March 6, 2014 – July 31, 2014 | Failure to Consult with State | Groundwater Rule | — | Resolved |
| January 1, 2014 – January 31, 2014 | Treatment Technique (SWTR and GWR) | Groundwater Rule | Health-based | Resolved |
| December 1, 2013 – December 31, 2013 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| November 1, 2013 – November 30, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2013 – October 31, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2013 – October 31, 2013 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| August 1, 2013 – August 31, 2013 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2013 – July 31, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2012 – January 31, 2012 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| April 1, 2011 – July 11, 2011 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| January 1, 2011 – July 31, 2014 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| March 1, 2010 – March 31, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 22, 1982 – September 21, 1983 | Maximum Contaminant Level Violation, Average | Gross Alpha, Excl. Radon and U | Health-based | Archived |
| April 21, 1980 – September 20, 1983 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Archived |
| April 21, 1980 – September 20, 1984 | Maximum Contaminant Level Violation, Average | Combined Radium (-226 and -228) | Health-based | Archived |
Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Contact
WALTERS, HAROLD
417-465-2230
WALKER, MO 64790-0000