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AquaCensus

Public water system · IL0190650

Active

Rantoul

At a glance

Rantoul (PWSID IL0190650) is an active community water system in Champaign County, Illinois. It reports serving 13,000 people through 3,400 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025.

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

Population served

13,000

Service connections

3,400

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL0190650
System typeCommunity water system
Activity statusActive
Population served13,000
Service connections3,400
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedRantoul
StateIllinois
ZIP—
CountyChampaign County

How does Rantoul compare with other water systems in Champaign County?

By EPA's size categories, Rantoul is a large system (10,001 to 100,000 people). Champaign County has 66 active public water systems, and Rantoul is the 2nd-largest of them by population served. Its population served is about 4.1 times the county average of 3,158 people per system, and accounts for 6.2% of the 208,407 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 Rantoul is about twice 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 Rantoul?

EPA lists Rantoul 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. 17 of the 66 active systems in Champaign County (26%) are also owned by a local government.

Does Rantoul have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between June 1977 and July 2025. By type: 2 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 1 as unaddressed, 1 as resolved and 1 as archived. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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. 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
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2015-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1977-06-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

All 3 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.

Rantoul: frequently asked questions

Who runs Rantoul?

Rantoul (PWSID IL0190650) is a community water system owned by a local government. It is regulated by the IL state drinking water program.

How many people does Rantoul serve?

Rantoul reports serving 13,000 people through 3,400 service connections in Champaign County, Illinois.

Where does Rantoul 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 Rantoul have any drinking water violations?

EPA's records list 3 violations for this system; none is 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 Rantoul'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 3 violations for this system; none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Rantoul's water quality report?

As a community water system, Rantoul 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 Champaign County

Water systemCountyPopulation servedTypeSource
Il American-ChampaignChampaign150,000CommunityGroundwater
U of I-ChampaignChampaign13,000CommunityPurchased groundwater
MahometChampaign6,580CommunityGroundwater
Sangamon Valley PWDChampaign5,300CommunityGroundwater
Il American-TolonoChampaign3,604CommunityPurchased groundwater
Il American-FisherChampaign2,026CommunityGroundwater

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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, “Rantoul, PWSID IL0190650, Illinois”, https://aquacensus.com/water-systems/illinois/rantoul-il0190650 (data as of October 1, 2026).