Public water system · MO3021326
ActiveMontgomery County Pwsd 1 Jonesburg
At a glance
Montgomery County Pwsd 1 Jonesburg (PWSID MO3021326) is an active community water system in Montgomery County, Missouri. It reports serving 300 people through 132 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
132
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Montgomery County Pwsd 1 Jonesburg compare with other water systems in Montgomery County?
By EPA's size categories, Montgomery County Pwsd 1 Jonesburg is a very small system (500 people or fewer). Montgomery County has 29 active public water systems. Its population served is about 33% below the county average of 446 people per system, and accounts for 2.3% of the 12,943 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 Montgomery County Pwsd 1 Jonesburg 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 177 Missouri systems (6%) list purchased groundwater as their primary source.
Who owns and regulates Montgomery County Pwsd 1 Jonesburg?
EPA lists Montgomery County Pwsd 1 Jonesburg 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. 11 of the 29 active systems in Montgomery County (38%) are also owned by a local government.
Does Montgomery County Pwsd 1 Jonesburg have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between December 2001 and October 2024. By type: 5 monitoring and reporting, 2 monitoring and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 8 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2008-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 8 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.
Montgomery County Pwsd 1 Jonesburg: frequently asked questions
Who runs Montgomery County Pwsd 1 Jonesburg?
Montgomery County Pwsd 1 Jonesburg (PWSID MO3021326) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Montgomery County Pwsd 1 Jonesburg serve?
Montgomery County Pwsd 1 Jonesburg reports serving 300 people through 132 service connections in Montgomery County, Missouri.
Where does Montgomery County Pwsd 1 Jonesburg get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Montgomery County Pwsd 1 Jonesburg have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 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 Montgomery County Pwsd 1 Jonesburg'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. EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 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 Montgomery County Pwsd 1 Jonesburg's water quality report?
As a community water system, Montgomery County Pwsd 1 Jonesburg 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 Montgomery County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Montgomery Co Pwsd 1 | Montgomery + 1 more | 3,850 | Community | Groundwater |
| Montgomery City Pws | Montgomery | 2,811 | Community | Groundwater |
| Wellsville Pws | Montgomery | 1,210 | Community | Purchased surface water |
| New Florence Pws | Montgomery | 769 | Community | Groundwater |
| Jonesburg Pws | Montgomery | 768 | Community | Groundwater |
| Bellflower Pws | Montgomery | 350 | 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, “Montgomery County Pwsd 1 Jonesburg, PWSID MO3021326, Missouri”, https://aquacensus.com/water-systems/missouri/montgomery-county-pwsd-1-jonesburg-mo3021326 (data as of October 1, 2026).