Public water system · MO6024295
ActiveJefferson Co Cons Pwsd C 1
At a glance
Jefferson Co Cons Pwsd C 1 (PWSID MO6024295) is an active community water system in Jefferson County, Missouri. It reports serving 37,000 people through 14,920 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is health-based, and the most recent began in February 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
37,000
Service connections
14,920
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Jefferson Co Cons Pwsd C 1 compare with other water systems in Jefferson County?
By EPA's size categories, Jefferson Co Cons Pwsd C 1 is a large system (10,001 to 100,000 people). Jefferson County has 92 active public water systems, and Jefferson Co Cons Pwsd C 1 is the largest of them by population served. Its population served is about 18 times the county average of 2,034 people per system, and accounts for 20% of the 187,106 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 Jefferson Co Cons Pwsd C 1 is about 5.5 times 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 surface water means the system buys surface water from another public water system rather than drawing its own. 179 Missouri systems (6.1%) list purchased surface water as their primary source.
Who owns and regulates Jefferson Co Cons Pwsd C 1?
EPA lists Jefferson Co Cons Pwsd C 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. 26 of the 92 active systems in Jefferson County (28%) are also owned by a local government.
Does Jefferson Co Cons Pwsd C 1 have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in February 2010. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2010-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The one violation in EPA's records.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.
Jefferson Co Cons Pwsd C 1: frequently asked questions
Who runs Jefferson Co Cons Pwsd C 1?
Jefferson Co Cons Pwsd C 1 (PWSID MO6024295) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Jefferson Co Cons Pwsd C 1 serve?
Jefferson Co Cons Pwsd C 1 reports serving 37,000 people through 14,920 service connections in Jefferson County, Missouri.
Where does Jefferson Co Cons Pwsd C 1 get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Jefferson Co Cons Pwsd C 1 have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in February 2010. 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 Jefferson Co Cons Pwsd C 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 one violation for this system; it is health-based, and the most recent began in February 2010. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Jefferson Co Cons Pwsd C 1's water quality report?
As a community water system, Jefferson Co Cons Pwsd C 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jefferson County Pwsd 1 | Jefferson | 21,113 | Community | Purchased surface water |
| Jefferson County Pwsd 3 | Jefferson | 17,000 | Community | Purchased surface water |
| Jefferson County Pwsd 2 | Jefferson | 16,548 | Community | Surface water |
| Festus Pws | Jefferson | 13,000 | Community | Purchased groundwater under influence |
| Jefferson County Pwsd 10 | Jefferson | 10,000 | Community | Purchased surface water |
| Jefferson County Pwsd 5 | Jefferson | 8,000 | 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, “Jefferson Co Cons Pwsd C 1, PWSID MO6024295, Missouri”, https://aquacensus.com/water-systems/missouri/jefferson-co-cons-pwsd-c-1-mo6024295 (data as of October 1, 2026).