Public water system · IL0075050
ActiveAqua Illinois-Candlewick Dvn
At a glance
Aqua Illinois-Candlewick Dvn (PWSID IL0075050) is an active community water system in Boone County, Illinois. It reports serving 6,426 people through 1,845 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, none is health-based, and the most recent began in October 1994.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,426
Service connections
1,845
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Aqua Illinois-Candlewick Dvn compare with other water systems in Boone County?
By EPA's size categories, Aqua Illinois-Candlewick Dvn is a medium system (3,301 to 10,000 people). Boone County has 47 active public water systems, and Aqua Illinois-Candlewick Dvn is the 2nd-largest of them by population served. Its population served is about 6.8 times the county average of 939 people per system, and accounts for 15% of the 44,134 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-Candlewick Dvn is roughly in line with 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 Aqua Illinois-Candlewick Dvn?
EPA lists Aqua Illinois-Candlewick Dvn 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. 34 of the 47 active systems in Boone County (72%) are also privately owned.
Does Aqua Illinois-Candlewick Dvn have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 1994. The violations listed here began between October 1994 and October 1994. By type: 12 monitoring and reporting. The contaminants or rules involved are Benzene, 1,2,4-Trichlorobenzene, 1,1,2-Trichloroethane and cis-1,2-Dichloroethylene. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
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-Candlewick Dvn: frequently asked questions
Who runs Aqua Illinois-Candlewick Dvn?
Aqua Illinois-Candlewick Dvn (PWSID IL0075050) is a community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Aqua Illinois-Candlewick Dvn serve?
Aqua Illinois-Candlewick Dvn reports serving 6,426 people through 1,845 service connections in Boone County, Illinois.
Where does Aqua Illinois-Candlewick Dvn 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 Aqua Illinois-Candlewick Dvn 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 October 1994. 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-Candlewick Dvn'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 October 1994. 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-Candlewick Dvn's water quality report?
As a community water system, Aqua Illinois-Candlewick Dvn 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 Boone County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Belvidere | Boone | 25,339 | Community | Groundwater |
| Poplar Grove | Boone | 2,372 | Community | Groundwater |
| Poplar Grove South | Boone | 1,877 | Community | Groundwater |
| Capron | Boone | 1,343 | Community | Groundwater |
| Poplar Grove West-Countryside | Boone | 790 | Community | Groundwater |
| Caledonia School | Boone | 750 | Non-transient non-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-Candlewick Dvn, PWSID IL0075050, Illinois”, https://aquacensus.com/water-systems/illinois/aqua-illinois-candlewick-dvn-il0075050 (data as of October 1, 2026).