Public water system · IL3052886
ActiveMatthiessen State Park (52886)
At a glance
Matthiessen State Park (52886) (PWSID IL3052886) is an active transient non-community water system in LaSalle County, Illinois. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in January 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Matthiessen State Park (52886) compare with other water systems in LaSalle County?
By EPA's size categories, Matthiessen State Park (52886) is a very small system (500 people or fewer). LaSalle County has 129 active public water systems. Its population served is well below the county average of 816 people per system, and accounts for less than 0.1% of the 105,319 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 Matthiessen State Park (52886) 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 Matthiessen State Park (52886)?
EPA lists Matthiessen State Park (52886) 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. 3 of the 129 active systems in LaSalle County (2.3%) are also owned by a state government.
Does Matthiessen State Park (52886) have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in January 2018. The violations listed here began between April 1984 and January 2018. By type: 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 2 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2004-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1990-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1984-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 4 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.
Matthiessen State Park (52886): frequently asked questions
Who runs Matthiessen State Park (52886)?
Matthiessen State Park (52886) (PWSID IL3052886) is a transient non-community water system owned by a state government. It is regulated by the IL state drinking water program.
How many people does Matthiessen State Park (52886) serve?
Matthiessen State Park (52886) reports serving 25 people through 1 service connection in LaSalle County, Illinois.
Where does Matthiessen State Park (52886) 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 Matthiessen State Park (52886) have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in January 2018. 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 Matthiessen State Park (52886)'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 4 violations for this system; 1 is health-based, and the most recent began in January 2018. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Matthiessen State Park (52886)'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Matthiessen State Park (52886) 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.
Other water systems in LaSalle County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Il American-Streator | LaSalle | 19,000 | Community | Surface water |
| Ottawa | LaSalle | 18,097 | Community | Groundwater |
| Peru | LaSalle | 10,300 | Community | Groundwater |
| La Salle | LaSalle | 9,700 | Community | Groundwater |
| Mendota | LaSalle | 7,100 | Community | Groundwater |
| Marseilles | LaSalle | 5,061 | 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, “Matthiessen State Park (52886), PWSID IL3052886, Illinois”, https://aquacensus.com/water-systems/illinois/matthiessen-state-park-52886-il3052886 (data as of October 1, 2026).