Public water system · MO6010360
ActiveHermann Pws
At a glance
Hermann Pws (PWSID MO6010360) is an active community water system in Gasconade County, Missouri. It reports serving 2,500 people through 1,330 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,500
Service connections
1,330
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hermann Pws compare with other water systems in Gasconade County?
By EPA's size categories, Hermann Pws is a small system (501 to 3,300 people). Gasconade County has 17 active public water systems, and Hermann Pws is the 2nd-largest of them by population served. Its population served is about 5.3 times the county average of 472 people per system, and accounts for 31% of the 8,020 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Hermann Pws is about 63% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.
Who owns and regulates Hermann Pws?
EPA lists Hermann Pws as owned by a local government. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 17 active systems in Gasconade County (35%) are also owned by a local government.
Does Hermann Pws have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in July 2025. The violations listed here began between October 2001 and July 2025. By type: 3 public notice, recordkeeping or other, 2 contaminant level above the legal limit, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Groundwater Rule (3 of them). EPA lists 6 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2023-04-14 | Public notice, recordkeeping or otherFailure to Consult with State · code 20 | Groundwater Rulecode 0700 | No | Resolved |
| 2021-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-10-15 | Public notice, recordkeeping or otherFailure to Consult with State · code 20 | Groundwater Rulecode 0700 | No | Resolved |
| 2014-10-10 | Public notice, recordkeeping or otherFailure to Consult with State · code 20 | Groundwater Rulecode 0700 | No | Resolved |
| 2003-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 7 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Hermann Pws: frequently asked questions
Who runs Hermann Pws?
Hermann Pws (PWSID MO6010360) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Hermann Pws serve?
Hermann Pws reports serving 2,500 people through 1,330 service connections in Gasconade County, Missouri.
Where does Hermann Pws get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Hermann Pws have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Hermann Pws' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Hermann Pws' water quality report?
As a community water system, Hermann Pws must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Gasconade County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Owensville Pws | Gasconade | 2,800 | Community | Groundwater |
| Bland Pws | Gasconade | 539 | Community | Groundwater |
| Gasconade Pwsd #1 | Gasconade | 450 | Community | Groundwater |
| Confluence Rivers Gascony Village | Gasconade | 414 | Community | Groundwater |
| Rosebud Pws | Gasconade | 410 | Community | Groundwater |
| Gasconade Pws | Gasconade | 280 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Hermann Pws, PWSID MO6010360, Missouri”, https://aquacensus.com/water-systems/missouri/hermann-pws-mo6010360 (data as of October 1, 2026).