HERMANN, MO · Gasconade County
HERMANN PWS Water System
Consumer Confidence Report status
HERMANN 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 HERMANN 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)
- MO6010360
- System type
- Community Water System
- Population served
- 2,500
- Service connections
- 1,330
- Ownership
- local government
- Water source
- groundwater (wells)
HERMANN PWS is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 2,500 people from groundwater.
As of August 1, 2026, its federal record holds 7 entries between 2001 and 2025, of which 1 remains open; none are health-based.
Of the 7, 2 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 Groundwater Rule, the Total Coliform Rules, and the Lead and Copper Rule.
Violation history
Notification, Known or Potential LSL
—LEAD AND COPPER RULE REVISIONS
July 2, 2025
UnaddressedFailure to Consult with State
—Groundwater Rule
April 14, 2023 – May 22, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
June 1, 2021 – June 30, 2021
ResolvedFailure to Consult with State
—Groundwater Rule
October 15, 2020 – December 18, 2020
ResolvedFailure to Consult with State
—Groundwater Rule
October 10, 2014 – February 19, 2015
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2003 – November 30, 2003
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2001 – October 31, 2001
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 |
| April 14, 2023 – May 22, 2023 | Failure to Consult with State | Groundwater Rule | — | Resolved |
| June 1, 2021 – June 30, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 15, 2020 – December 18, 2020 | Failure to Consult with State | Groundwater Rule | — | Resolved |
| October 10, 2014 – February 19, 2015 | Failure to Consult with State | Groundwater Rule | — | Resolved |
| November 1, 2003 – November 30, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2001 – October 31, 2001 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- March 12, 2026State Violation/Reminder Notice2 linked violations
- March 12, 2026State Public Notification requested1 linked violation
- August 2, 2021State Violation/Reminder Notice2 linked violations
- November 30, 2020State Compliance achieved4 linked violations
- February 19, 2015State Compliance achieved5 linked violations
- December 16, 2003State Violation/Reminder Notice8 linked violations
Common questions
Is HERMANN PWS required to publish a Consumer Confidence Report?
- Yes. HERMANN 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 HERMANN PWS’s next Consumer Confidence Report due?
- HERMANN PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HERMANN PWS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for HERMANN 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
PRUESSNER, JASON
573-694-2821
HERMANN, MO 65041-0000