Public water system · MO4024538
ActiveSt Francois County Pwsd 1
At a glance
St Francois County Pwsd 1 (PWSID MO4024538) is an active community water system in St. Francois County, Missouri. It reports serving 140 people through 52 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
140
Service connections
52
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does St Francois County Pwsd 1 compare with other water systems in St. Francois County?
By EPA's size categories, St Francois County Pwsd 1 is a very small system (500 people or fewer). St. Francois County has 39 active public water systems. Its population served is well below the county average of 1,411 people per system, and accounts for 0.3% of the 55,041 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 St Francois County Pwsd 1 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 St Francois County Pwsd 1?
EPA lists St Francois County Pwsd 1 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. 9 of the 39 active systems in St. Francois County (23%) are also owned by a local government.
Does St Francois County Pwsd 1 have drinking water violations?
EPA's records list 10 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between September 1994 and July 2025. By type: 4 public notice, recordkeeping or other, 3 monitoring and reporting, 2 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 9 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 |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2005-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Resolved |
| 2004-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-09-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
All 10 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.
St Francois County Pwsd 1: frequently asked questions
Who runs St Francois County Pwsd 1?
St Francois County Pwsd 1 (PWSID MO4024538) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does St Francois County Pwsd 1 serve?
St Francois County Pwsd 1 reports serving 140 people through 52 service connections in St. Francois County, Missouri.
Where does St Francois County Pwsd 1 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 St Francois County Pwsd 1 have any drinking water violations?
EPA's records list 10 violations for this system; 1 is 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 St Francois County Pwsd 1'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 10 violations for this system; 1 is 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 St Francois County Pwsd 1's water quality report?
As a community water system, St Francois County Pwsd 1 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 St. Francois County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Farmington Pws | St. Francois | 18,217 | Community | Groundwater |
| Park Hills Pws | St. Francois | 8,587 | Community | Groundwater |
| Desloge Pws | St. Francois | 5,034 | Community | Groundwater |
| Bonne Terre Pws | St. Francois | 3,537 | Community | Groundwater |
| Bonne Terre Prison | St. Francois | 3,500 | Community | Groundwater |
| Farmington Correctional Center | St. Francois | 3,500 | 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, “St Francois County Pwsd 1, PWSID MO4024538, Missouri”, https://aquacensus.com/water-systems/missouri/st-francois-county-pwsd-1-mo4024538 (data as of October 1, 2026).