Public water system · IL3015156
ActiveHarris Forest Preserve
At a glance
Harris Forest Preserve (PWSID IL3015156) is an active transient non-community water system in Kendall County, Illinois. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as under public/private ownership. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2021.
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 Harris Forest Preserve compare with other water systems in Kendall County?
By EPA's size categories, Harris Forest Preserve is a very small system (500 people or fewer). Kendall County has 47 active public water systems. Its population served is well below the county average of 1,747 people per system, and accounts for less than 0.1% of the 82,105 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 Harris Forest Preserve 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 Harris Forest Preserve?
EPA lists Harris Forest Preserve as under public/private ownership. 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. 4 of the 47 active systems in Kendall County (8.5%) are also under public/private ownership.
Does Harris Forest Preserve have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2021. The violations listed here began between January 2018 and July 2021. By type: 2 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2021-07-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 3 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.
Harris Forest Preserve: frequently asked questions
Who runs Harris Forest Preserve?
Harris Forest Preserve (PWSID IL3015156) is a transient non-community water system under public/private ownership. It is regulated by the IL state drinking water program.
How many people does Harris Forest Preserve serve?
Harris Forest Preserve reports serving 25 people through 1 service connection in Kendall County, Illinois.
Where does Harris Forest Preserve 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 Harris Forest Preserve have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2021. 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 Harris Forest Preserve'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 3 violations for this system; 1 is health-based, and the most recent began in July 2021. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Harris Forest Preserve's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Harris Forest Preserve 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 Kendall County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oswego | Kendall | 38,169 | Community | Groundwater |
| Yorkville | Kendall | 23,000 | Community | Groundwater |
| Plano | Kendall | 12,600 | Community | Groundwater |
| Il American-Valley Marina | Kendall | 1,102 | Community | Groundwater |
| Newark | Kendall | 986 | Community | Groundwater |
| Silver Springs State Park (94185) | Kendall | 750 | Transient non-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, “Harris Forest Preserve, PWSID IL3015156, Illinois”, https://aquacensus.com/water-systems/illinois/harris-forest-preserve-il3015156 (data as of October 1, 2026).