Public water system · MO5031530
ActiveMission Bay
At a glance
Mission Bay (PWSID MO5031530) is an active transient non-community water system in Camden County, Illinois. It reports serving 25 people through 18 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
18
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mission Bay compare with other water systems in Camden County?
By EPA's size categories, Mission Bay is a very small system (500 people or fewer). Camden County has 1 active public water system, and Mission Bay is the largest of them by population served. Its population served is roughly in line with the county average of 25 people per system, and accounts for 100% of the 25 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Mission Bay is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Illinois has 1,703 active transient non-community water systems, 44% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.
Who owns and regulates Mission Bay?
EPA lists Mission Bay 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. 1 of the 1 active systems in Camden County (100%) are also privately owned.
Does Mission Bay have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2026. By type: 1 reporting. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 as unaddressed. 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 |
|---|---|---|---|---|
| 2026-01-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Unaddressed |
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.
Mission Bay: frequently asked questions
Who runs Mission Bay?
Mission Bay (PWSID MO5031530) is a transient non-community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Mission Bay serve?
Mission Bay reports serving 25 people through 18 service connections in Camden County, Illinois.
Where does Mission Bay 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 Mission Bay have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2026. 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 Mission Bay'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 not health-based, and the most recent began in January 2026. For current results, consult EPA ECHO, or the MO state drinking water program.
Where can I find Mission Bay's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mission Bay is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
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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, “Mission Bay, PWSID MO5031530, Illinois”, https://aquacensus.com/water-systems/illinois/mission-bay-mo5031530 (data as of October 1, 2026).