Public water system · IL1090020
ActiveSciota
At a glance
Sciota (PWSID IL1090020) is an active community water system in McDonough County, Illinois. It reports serving 180 people through 72 service connections. Its primary water source is purchased 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 May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
180
Service connections
72
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Sciota compare with other water systems in McDonough County?
By EPA's size categories, Sciota is a very small system (500 people or fewer). McDonough County has 21 active public water systems. Its population served is well below the county average of 1,588 people per system, and accounts for 0.5% of the 33,349 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 Sciota 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 348 Illinois systems (9%) list purchased groundwater as their primary source.
Who owns and regulates Sciota?
EPA lists Sciota 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. 12 of the 21 active systems in McDonough County (57%) are also owned by a local government.
Does Sciota have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in May 2025. The violations listed here began between July 2007 and May 2025. By type: 2 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Chlorine and Total coliform bacteria (TCR). EPA lists 3 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 |
|---|---|---|---|---|
| 2025-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-05-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2007-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
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.
Sciota: frequently asked questions
Who runs Sciota?
Sciota (PWSID IL1090020) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Sciota serve?
Sciota reports serving 180 people through 72 service connections in McDonough County, Illinois.
Where does Sciota get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Sciota have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in May 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 Sciota'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 May 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 Sciota's water quality report?
As a community water system, Sciota 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 McDonough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Macomb | McDonough | 15,051 | Community | Surface water |
| Western Illinois University | McDonough | 8,000 | Community | Purchased surface water |
| Bushnell | McDonough | 2,972 | Community | Groundwater |
| West Prairie Water Co-Op | McDonough | 2,395 | Community | Purchased groundwater |
| Colchester | McDonough | 1,395 | Community | Purchased surface water |
| Blandinsville | McDonough | 569 | Community | 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, “Sciota, PWSID IL1090020, Illinois”, https://aquacensus.com/water-systems/illinois/sciota-il1090020 (data as of October 1, 2026).