Public water system · IL1795730
ActiveLake Windermere Estates Subdivision
At a glance
Lake Windermere Estates Subdivision (PWSID IL1795730) is an active community water system in Tazewell County, Illinois. It reports serving 300 people through 106 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 June 1977.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
106
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lake Windermere Estates Subdivision compare with other water systems in Tazewell County?
By EPA's size categories, Lake Windermere Estates Subdivision is a very small system (500 people or fewer). Tazewell County has 83 active public water systems. Its population served is well below the county average of 1,557 people per system, and accounts for 0.2% of the 129,226 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 Lake Windermere Estates Subdivision 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. 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 Lake Windermere Estates Subdivision?
EPA lists Lake Windermere Estates Subdivision as privately owned. 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. 57 of the 83 active systems in Tazewell County (69%) are also privately owned.
Does Lake Windermere Estates Subdivision have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1977. By type: 1 monitoring and reporting. The contaminant or rule involved is Gross alpha (excluding radon and uranium). EPA lists 1 as archived. 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 |
|---|---|---|---|---|
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
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.
Lake Windermere Estates Subdivision: frequently asked questions
Who runs Lake Windermere Estates Subdivision?
Lake Windermere Estates Subdivision (PWSID IL1795730) is a community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Lake Windermere Estates Subdivision serve?
Lake Windermere Estates Subdivision reports serving 300 people through 106 service connections in Tazewell County, Illinois.
Where does Lake Windermere Estates Subdivision 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 Lake Windermere Estates Subdivision 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 June 1977. 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 Lake Windermere Estates Subdivision'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 June 1977. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Lake Windermere Estates Subdivision's water quality report?
As a community water system, Lake Windermere Estates Subdivision 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 Tazewell County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Il American-Pekin | Tazewell | 31,731 | Community | Groundwater |
| East Peoria | Tazewell | 22,284 | Community | Groundwater |
| Morton | Tazewell | 17,111 | Community | Groundwater |
| Washington | Tazewell | 14,793 | Community | Groundwater |
| North Tazewell PWD | Tazewell | 7,625 | Community | Groundwater |
| Creve Coeur | Tazewell | 4,934 | 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, “Lake Windermere Estates Subdivision, PWSID IL1795730, Illinois”, https://aquacensus.com/water-systems/illinois/lake-windermere-estates-subdivision-il1795730 (data as of October 1, 2026).