CALHOUN, MO · Henry County
CALHOUN PWS Water System
Current status
No open violations on record as of July 4, 2026.
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)
- MO1010123
- System type
- Community Water System
- Population served
- 324
- Service connections
- 163
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
June 1, 2019 – June 30, 2019
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2016 – June 30, 2016
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, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2009 – September 30, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2005 – August 31, 2005
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 2019 – June 30, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| April 1, 2016 – June 30, 2016 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | 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 |
| September 1, 2009 – September 30, 2009 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2005 – August 31, 2005 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Contact
FIELDS, CHARLES
660-694-3634
CALHOUN, MO 65323-0000