Skip to content
AquaCensus

Public water system · IL0375100

Active

Buck Lake Estates Subdivision

At a glance

Buck Lake Estates Subdivision (PWSID IL0375100) is an active community water system in DeKalb County, Illinois. It reports serving 150 people through 51 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

150

Service connections

51

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL0375100
System typeCommunity water system
Activity statusActive
Population served150
Service connections51
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City served—
StateIllinois
ZIP—
CountyDeKalb County

How does Buck Lake Estates Subdivision compare with other water systems in DeKalb County?

By EPA's size categories, Buck Lake Estates Subdivision is a very small system (500 people or fewer). DeKalb County has 43 active public water systems. Its population served is well below the county average of 2,220 people per system, and accounts for 0.2% of the 95,450 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 Buck Lake 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 Buck Lake Estates Subdivision?

EPA lists Buck Lake 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. 25 of the 43 active systems in DeKalb County (58%) are also privately owned.

Does Buck Lake 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.

BeganViolationContaminant or ruleHealth-basedStatus
1977-06-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

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.

Buck Lake Estates Subdivision: frequently asked questions

Who runs Buck Lake Estates Subdivision?

Buck Lake Estates Subdivision (PWSID IL0375100) is a community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Buck Lake Estates Subdivision serve?

Buck Lake Estates Subdivision reports serving 150 people through 51 service connections in DeKalb County, Illinois.

Where does Buck Lake 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 Buck Lake 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 Buck Lake 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 Buck Lake Estates Subdivision's water quality report?

As a community water system, Buck Lake 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 DeKalb County

Water systemCountyPopulation servedTypeSource
DekalbDeKalb40,290CommunityGroundwater
SycamoreDeKalb18,500CommunityGroundwater
SandwichDeKalb7,156CommunityGroundwater
Northern Illinois University-DekalbDeKalb6,500CommunityPurchased groundwater
GenoaDeKalb5,298CommunityGroundwater
CortlandDeKalb4,398CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Buck Lake Estates Subdivision, PWSID IL0375100, Illinois”, https://aquacensus.com/water-systems/illinois/buck-lake-estates-subdivision-il0375100 (data as of October 1, 2026).