Public water system · IL1835120
ActiveAqua Illinois-Vermilion County
At a glance
Aqua Illinois-Vermilion County (PWSID IL1835120) is an active community water system in Vermilion County, Illinois. It reports serving 30,106 people through 19,261 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30,106
Service connections
19,261
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Aqua Illinois-Vermilion County compare with other water systems in Vermilion County?
By EPA's size categories, Aqua Illinois-Vermilion County is a large system (10,001 to 100,000 people). Vermilion County has 35 active public water systems, and Aqua Illinois-Vermilion County is the largest of them by population served. Its population served is about 18 times the county average of 1,643 people per system, and accounts for 52% of the 57,501 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 Aqua Illinois-Vermilion County is about 4.5 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 89 Illinois systems (2.3%) list surface water as their primary source.
Who owns and regulates Aqua Illinois-Vermilion County?
EPA lists Aqua Illinois-Vermilion County 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. 15 of the 35 active systems in Vermilion County (43%) are also privately owned.
Does Aqua Illinois-Vermilion County have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in April 2023. The violations listed here began between February 1994 and April 2023. By type: 5 monitoring and reporting, 5 contaminant level above the legal limit and 2 required treatment not met. The contaminant or rule involved most often is Nitrate (4 of them). EPA lists 10 as resolved and 2 as archived. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Resolved |
| 2006-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2001-10-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2000-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitrate-Nitritecode 1038 | Yes | Resolved |
| 1999-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 1997-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 1996-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 1996-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 1994-09-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1994-02-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
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.
Aqua Illinois-Vermilion County: frequently asked questions
Who runs Aqua Illinois-Vermilion County?
Aqua Illinois-Vermilion County (PWSID IL1835120) is a community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Aqua Illinois-Vermilion County serve?
Aqua Illinois-Vermilion County reports serving 30,106 people through 19,261 service connections in Vermilion County, Illinois.
Where does Aqua Illinois-Vermilion County get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Aqua Illinois-Vermilion County have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in April 2023. 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 Aqua Illinois-Vermilion County'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, 7 are health-based, and the most recent began in April 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Aqua Illinois-Vermilion County's water quality report?
As a community water system, Aqua Illinois-Vermilion County 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 Vermilion County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hoopeston | Vermilion | 5,802 | Community | Groundwater |
| Georgetown | Vermilion | 4,200 | Community | Groundwater |
| Westville | Vermilion | 3,917 | Community | Purchased surface water |
| Catlin | Vermilion | 2,380 | Community | Purchased surface water |
| Prairie Path Water Company-Oakwood | Vermilion | 1,600 | Community | Surface water |
| Rossville | Vermilion | 1,331 | 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, “Aqua Illinois-Vermilion County, PWSID IL1835120, Illinois”, https://aquacensus.com/water-systems/illinois/aqua-illinois-vermilion-county-il1835120 (data as of October 1, 2026).