Public water system · IL0810020
ActiveBig Muddy River Cc
At a glance
Big Muddy River Cc (PWSID IL0810020) is an active community water system in Jefferson County, Illinois. It reports serving 1,771 people. Its primary water source is purchased surface water, and EPA lists it as owned by a state government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,771
Service connections
0
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Big Muddy River Cc compare with other water systems in Jefferson County?
By EPA's size categories, Big Muddy River Cc is a small system (501 to 3,300 people). Jefferson County has 14 active public water systems. Its population served is about 30% below the county average of 2,544 people per system, and accounts for 5% of the 35,609 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Big Muddy River Cc 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. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 619 Illinois systems (16%) list purchased surface water as their primary source.
Who owns and regulates Big Muddy River Cc?
EPA lists Big Muddy River Cc as owned by a state government. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 14 active systems in Jefferson County (7.1%) are also owned by a state government.
Does Big Muddy River Cc have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Big Muddy River Cc. For the latest compliance status, check EPA ECHO for current compliance history.
Big Muddy River Cc: frequently asked questions
Who runs Big Muddy River Cc?
Big Muddy River Cc (PWSID IL0810020) is a community water system owned by a state government. It is regulated by the IL state drinking water program.
How many people does Big Muddy River Cc serve?
Big Muddy River Cc reports serving 1,771 people in Jefferson County, Illinois.
Where does Big Muddy River Cc 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 Big Muddy River Cc have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Big Muddy River Cc'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Big Muddy River Cc's water quality report?
As a community water system, Big Muddy River Cc 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 |
|---|---|---|---|---|
| Mount Vernon | Jefferson | 15,793 | Community | Purchased surface water |
| Northeast Mount Vernon Water Company | Jefferson | 5,483 | Community | Purchased surface water |
| Woodlawn | Jefferson | 3,587 | Community | Purchased surface water |
| Dix-Kell Water Commssion | Jefferson | 1,972 | Community | Purchased surface water |
| Belle Rive | Jefferson | 1,930 | Community | Purchased surface water |
| Waltonville | Jefferson | 1,901 | Community | Purchased surface water |
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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, “Big Muddy River Cc, PWSID IL0810020, Illinois”, https://aquacensus.com/water-systems/illinois/big-muddy-river-cc-il0810020 (data as of October 1, 2026).