Public water system · IL0835300
ActiveJersey Rwc
At a glance
Jersey Rwc (PWSID IL0835300) is an active community water system in Jersey County, Illinois. It reports serving 12,750 people through 5,040 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,750
Service connections
5,040
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Jersey Rwc compare with other water systems in Jersey County?
By EPA's size categories, Jersey Rwc is a large system (10,001 to 100,000 people). Jersey County has 6 active public water systems, and Jersey Rwc is the largest of them by population served. Its population served is about 3.5 times the county average of 3,622 people per system, and accounts for 59% of the 21,733 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 Jersey Rwc is about twice 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 Jersey Rwc?
EPA lists Jersey Rwc 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. 3 of the 6 active systems in Jersey County (50%) are also privately owned.
Does Jersey Rwc have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2026. The violations listed here began between July 2024 and January 2026. By type: 2 monitoring and reporting. The contaminants or rules involved are Haloacetic acids (HAA5) and Total trihalomethanes (TTHM). EPA lists 1 as archived and 1 as resolved. 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. 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 |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2024-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
All 2 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.
Jersey Rwc: frequently asked questions
Who runs Jersey Rwc?
Jersey Rwc (PWSID IL0835300) is a community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Jersey Rwc serve?
Jersey Rwc reports serving 12,750 people through 5,040 service connections in Jersey County, Illinois.
Where does Jersey Rwc 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 Jersey Rwc have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2026. 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 Jersey Rwc'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 2 violations for this system; none is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Jersey Rwc's water quality report?
As a community water system, Jersey Rwc 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 Jersey County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Il American-Jerseyville | Jersey | 8,412 | Community | Groundwater |
| New Piasa Chautauqua Pws | Jersey | 335 | Community | Purchased surface water |
| Fieldon | Jersey | 186 | Community | Purchased groundwater |
| Pere Marquette State Park | Jersey | 25 | Transient non-community | Groundwater |
| Twice the Ice Jerseyville | Jersey | 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, “Jersey Rwc, PWSID IL0835300, Illinois”, https://aquacensus.com/water-systems/illinois/jersey-rwc-il0835300 (data as of October 1, 2026).