Public water system · MO3041171
ActiveZwanzig MHP
At a glance
Zwanzig MHP (PWSID MO3041171) is an active community water system in Morgan County, Missouri. It reports serving 50 people through 21 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
21
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Zwanzig MHP compare with other water systems in Morgan County?
By EPA's size categories, Zwanzig MHP is a very small system (500 people or fewer). Morgan County has 68 active public water systems. Its population served is well below the county average of 190 people per system, and accounts for 0.4% of the 12,946 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 Zwanzig MHP is well 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 Zwanzig MHP?
EPA lists Zwanzig MHP as privately owned. 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. 60 of the 68 active systems in Morgan County (88%) are also privately owned.
Does Zwanzig MHP have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2024. The violations listed here began between October 2016 and November 2024. By type: 6 public notice, recordkeeping or other, 4 monitoring, 1 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 9 as resolved and 3 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 |
|---|---|---|---|---|
| 2024-11-07 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2024-08-09 | Public notice, recordkeeping or otherFailure to Consult with State · code 20 | Groundwater Rulecode 0700 | No | Unaddressed |
| 2023-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2023-08-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-05-06 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2020-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The 12 most recent 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.
Zwanzig MHP: frequently asked questions
Who runs Zwanzig MHP?
Zwanzig MHP (PWSID MO3041171) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Zwanzig MHP serve?
Zwanzig MHP reports serving 50 people through 21 service connections in Morgan County, Missouri.
Where does Zwanzig MHP 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 Zwanzig MHP have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2024. 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 Zwanzig MHP's 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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Zwanzig MHP's water quality report?
As a community water system, Zwanzig MHP 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 Morgan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Versailles Pws | Morgan | 2,539 | Community | Groundwater |
| Morgan County Pwsd # 2 | Morgan | 1,298 | Community | Groundwater |
| Stover Pws | Morgan | 1,094 | Community | Groundwater |
| Laurie Pws | Morgan | 990 | Community | Groundwater |
| Cross Pointe Camp and Retreat Center | Morgan | 950 | Non-transient non-community | Groundwater |
| Camp Sabra | Morgan | 400 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Zwanzig MHP, PWSID MO3041171, Missouri”, https://aquacensus.com/water-systems/missouri/zwanzig-mhp-mo3041171 (data as of October 1, 2026).