Public water system · IL3139485
ActiveAurora West Forest Preserve
At a glance
Aurora West Forest Preserve (PWSID IL3139485) is an active transient non-community water system in Kane County, Illinois. It reports serving 90 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
90
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Aurora West Forest Preserve compare with other water systems in Kane County?
By EPA's size categories, Aurora West Forest Preserve is a very small system (500 people or fewer). Kane County has 118 active public water systems. Its population served is well below the county average of 4,933 people per system, and accounts for less than 0.1% of the 582,054 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 Aurora West Forest Preserve is about 37% 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 Aurora West Forest Preserve?
EPA lists Aurora West Forest Preserve as owned by a local 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. 34 of the 118 active systems in Kane County (29%) are also owned by a local government.
Does Aurora West Forest Preserve have drinking water violations?
EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in July 2025. The violations listed here began between July 2006 and July 2025. By type: 3 public notice, recordkeeping or other, 2 required treatment not met, 2 contaminant level above the legal limit, 1 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Public Notice (3 of them). EPA lists 5 as resolved and 4 as unaddressed. 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. 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 |
|---|---|---|---|---|
| 2025-07-19 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-05-02 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Unaddressed |
| 2022-10-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2022-09-10 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2022-07-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2021-09-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2006-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 9 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.
Aurora West Forest Preserve: frequently asked questions
Who runs Aurora West Forest Preserve?
Aurora West Forest Preserve (PWSID IL3139485) is a transient non-community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Aurora West Forest Preserve serve?
Aurora West Forest Preserve reports serving 90 people through 1 service connection in Kane County, Illinois.
Where does Aurora West 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 Aurora West Forest Preserve have any drinking water violations?
EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in July 2025. 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 Aurora West 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 9 violations for this system; 4 are health-based, and the most recent began in July 2025. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Aurora West Forest Preserve's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Aurora West 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 Kane County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aurora | Kane | 183,000 | Community | Surface water |
| Elgin | Kane | 114,797 | Community | Surface water |
| Carpentersville | Kane | 37,983 | Community | Groundwater |
| St Charles | Kane | 33,103 | Community | Groundwater |
| Montgomery | Kane | 28,956 | Community | Groundwater |
| Batavia | Kane | 26,098 | 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, “Aurora West Forest Preserve, PWSID IL3139485, Illinois”, https://aquacensus.com/water-systems/illinois/aurora-west-forest-preserve-il3139485 (data as of October 1, 2026).