Public water system · IL1890200
ActiveHoyleton
At a glance
Hoyleton (PWSID IL1890200) is an active community water system in Washington County, Illinois. It reports serving 658 people through 263 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in September 1994.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
658
Service connections
263
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Hoyleton compare with other water systems in Washington County?
By EPA's size categories, Hoyleton is a small system (501 to 3,300 people). Washington County has 15 active public water systems, and Hoyleton is the 6th-largest of them by population served. Its population served is about half of the county average of 1,367 people per system, and accounts for 3.2% of the 20,507 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 Hoyleton 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 619 Illinois systems (16%) list purchased surface water as their primary source.
Who owns and regulates Hoyleton?
EPA lists Hoyleton 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. 9 of the 15 active systems in Washington County (60%) are also owned by a local government.
Does Hoyleton have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in September 1994. The violations listed here began between October 1991 and September 1994. By type: 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as archived. 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 |
|---|---|---|---|---|
| 1994-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1994-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-10-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 4 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.
Hoyleton: frequently asked questions
Who runs Hoyleton?
Hoyleton (PWSID IL1890200) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Hoyleton serve?
Hoyleton reports serving 658 people through 263 service connections in Washington County, Illinois.
Where does Hoyleton get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Hoyleton have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in September 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 Hoyleton'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 4 violations for this system; 1 is health-based, and the most recent began in September 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 Hoyleton's water quality report?
As a community water system, Hoyleton 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Washington County Water Company | Washington | 11,374 | Community | Purchased surface water |
| Nashville | Washington | 3,230 | Community | Surface water |
| Okawville | Washington | 1,457 | Community | Purchased surface water |
| Irvington | Washington | 1,081 | Community | Purchased surface water |
| Hoyleton Rwc | Washington | 1,020 | Community | Purchased surface water |
| Ashley | Washington | 565 | Community | Purchased surface water |
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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, “Hoyleton, PWSID IL1890200, Illinois”, https://aquacensus.com/water-systems/illinois/hoyleton-il1890200 (data as of October 1, 2026).