Public water system · IL0250020
ActiveClay County Water Inc.
At a glance
Clay County Water Inc. (PWSID IL0250020) is an active community water system in Clay County, Illinois. It reports serving 2,015 people through 806 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 4 are health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,015
Service connections
806
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Clay County Water Inc. compare with other water systems in Clay County?
By EPA's size categories, Clay County Water Inc. is a small system (501 to 3,300 people). Clay County has 8 active public water systems, and Clay County Water Inc. is the 2nd-largest of them by population served. Its population served is about 59% above the county average of 1,270 people per system, and accounts for 20% of the 10,156 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 Clay County Water Inc. 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 Clay County Water Inc.?
EPA lists Clay County Water Inc. 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. 6 of the 8 active systems in Clay County (75%) are also owned by a local government.
Does Clay County Water Inc. have drinking water violations?
EPA's records list 5 violations for this system; 4 are health-based, and the most recent began in July 2022. The violations listed here began between November 2003 and July 2022. By type: 4 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (4 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-02-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2004-01-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2003-12-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2003-11-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
All 5 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.
Clay County Water Inc.: frequently asked questions
Who runs Clay County Water Inc.?
Clay County Water Inc. (PWSID IL0250020) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Clay County Water Inc. serve?
Clay County Water Inc. reports serving 2,015 people through 806 service connections in Clay County, Illinois.
Where does Clay County Water Inc. 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 Clay County Water Inc. have any drinking water violations?
EPA's records list 5 violations for this system; 4 are health-based, and the most recent began in July 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 Clay County Water Inc.'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 5 violations for this system; 4 are health-based, and the most recent began in July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Clay County Water Inc.'s water quality report?
As a community water system, Clay County Water Inc. 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 Clay County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Flora | Clay | 5,233 | Community | Purchased surface water |
| Louisville | Clay | 1,201 | Community | Purchased surface water |
| Clay City | Clay | 957 | Community | Purchased groundwater |
| Xenia | Clay | 542 | Community | Purchased surface water |
| Iola | Clay | 158 | Community | Groundwater |
| Priceless #447 | Clay | 25 | Transient non-community | Purchased 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, “Clay County Water Inc., PWSID IL0250020, Illinois”, https://aquacensus.com/water-systems/illinois/clay-county-water-inc-il0250020 (data as of October 1, 2026).