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Public water system · IL3020008

Active

Caterpillar Demonstration Area

At a glance

Caterpillar Demonstration Area (PWSID IL3020008) is an active non-transient non-community water system in Peoria County, Illinois. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2022.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDIL3020008
System typeNon-transient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City served—
StateIllinois
ZIP—
CountyPeoria County

How does Caterpillar Demonstration Area compare with other water systems in Peoria County?

By EPA's size categories, Caterpillar Demonstration Area is a very small system (500 people or fewer). Peoria County has 66 active public water systems. Its population served is well below the county average of 2,857 people per system, and accounts for less than 0.1% of the 188,545 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Caterpillar Demonstration Area is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Illinois has 396 active non-transient non-community water systems, 10% 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 Caterpillar Demonstration Area?

EPA lists Caterpillar Demonstration Area 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. 48 of the 66 active systems in Peoria County (73%) are also privately owned.

Does Caterpillar Demonstration Area have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2022. The violations listed here began between October 2008 and April 2022. By type: 11 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Arsenic (2 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
2022-04-01MonitoringMonitoring, Additional Routine (RTCR) · code 3BRevised Total Coliform Rulecode 8000NoResolved
2010-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2009-04-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Toluenecode 2991NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved

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.

Caterpillar Demonstration Area: frequently asked questions

Who runs Caterpillar Demonstration Area?

Caterpillar Demonstration Area (PWSID IL3020008) is a non-transient non-community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Caterpillar Demonstration Area serve?

Caterpillar Demonstration Area reports serving 25 people through 1 service connection in Peoria County, Illinois.

Where does Caterpillar Demonstration Area 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 Caterpillar Demonstration Area have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2022. 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 Caterpillar Demonstration Area'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, none is health-based, and the most recent began in April 2022. For current results, consult EPA ECHO, or the IL state drinking water program.

Where can I find Caterpillar Demonstration Area's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Caterpillar Demonstration Area is a non-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 Peoria County

Water systemCountyPopulation servedTypeSource
Il American-PeoriaPeoria137,575CommunitySurface water
Osf St Francis HospitalPeoria10,000Non-transient non-communityPurchased surface water
ChillicothePeoria6,660CommunityGroundwater
Peoria HeightsPeoria5,908CommunityGroundwater
Pleasant Valley PWDPeoria3,783CommunityGroundwater
Cat MossvillePeoria3,000Non-transient non-communityGroundwater

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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, “Caterpillar Demonstration Area, PWSID IL3020008, Illinois”, https://aquacensus.com/water-systems/illinois/caterpillar-demonstration-area-il3020008 (data as of October 1, 2026).