Skip to content
AquaCensus

Public water system · IL0995300

Active

Il Prairie Estate Sbdv Water Association

At a glance

Il Prairie Estate Sbdv Water Association (PWSID IL0995300) is an active community water system in LaSalle County, Illinois. It reports serving 78 people through 31 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in January 2007.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

78

Service connections

31

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL0995300
System typeCommunity water system
Activity statusActive
Population served78
Service connections31
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City served—
StateIllinois
ZIP—
CountyLaSalle County

How does Il Prairie Estate Sbdv Water Association compare with other water systems in LaSalle County?

By EPA's size categories, Il Prairie Estate Sbdv Water Association 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 community water system reports serving 6,703 people, so Il Prairie Estate Sbdv Water Association 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 Il Prairie Estate Sbdv Water Association?

EPA lists Il Prairie Estate Sbdv Water Association 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. 99 of the 129 active systems in LaSalle County (77%) are also privately owned.

Does Il Prairie Estate Sbdv Water Association have drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in January 2007. The violations listed here began between July 2005 and January 2007. By type: 10 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Combined Radium (-226 and -228) (8 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2007-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2006-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2006-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2006-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2006-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2006-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2006-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2006-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2006-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2005-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2005-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2005-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved

The 12 most recent 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.

Il Prairie Estate Sbdv Water Association: frequently asked questions

Who runs Il Prairie Estate Sbdv Water Association?

Il Prairie Estate Sbdv Water Association (PWSID IL0995300) is a community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Il Prairie Estate Sbdv Water Association serve?

Il Prairie Estate Sbdv Water Association reports serving 78 people through 31 service connections in LaSalle County, Illinois.

Where does Il Prairie Estate Sbdv Water Association 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 Il Prairie Estate Sbdv Water Association have any drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in January 2007. 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 Il Prairie Estate Sbdv Water Association'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. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in January 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Il Prairie Estate Sbdv Water Association's water quality report?

As a community water system, Il Prairie Estate Sbdv Water Association 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 LaSalle County

Water systemCountyPopulation servedTypeSource
Il American-StreatorLaSalle19,000CommunitySurface water
OttawaLaSalle18,097CommunityGroundwater
PeruLaSalle10,300CommunityGroundwater
La SalleLaSalle9,700CommunityGroundwater
MendotaLaSalle7,100CommunityGroundwater
MarseillesLaSalle5,061CommunityGroundwater

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, “Il Prairie Estate Sbdv Water Association, PWSID IL0995300, Illinois”, https://aquacensus.com/water-systems/illinois/il-prairie-estate-sbdv-water-association-il0995300 (data as of October 1, 2026).