Public water system · IL0555100
ActiveRend Lake Inter-City Water System
At a glance
Rend Lake Inter-City Water System (PWSID IL0555100) is an active community water system in Franklin County, Illinois. It reports serving 3,650 people through 1,460 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,650
Service connections
1,460
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Rend Lake Inter-City Water System compare with other water systems in Franklin County?
By EPA's size categories, Rend Lake Inter-City Water System is a medium system (3,301 to 10,000 people). Franklin County has 23 active public water systems, and Rend Lake Inter-City Water System is the 3rd-largest of them by population served. Its population served is about twice the county average of 1,860 people per system, and accounts for 8.5% of the 42,771 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 Rend Lake Inter-City Water System is about half of 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 89 Illinois systems (2.3%) list surface water as their primary source.
Who owns and regulates Rend Lake Inter-City Water System?
EPA lists Rend Lake Inter-City Water System 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. 21 of the 23 active systems in Franklin County (91%) are also owned by a local government.
Does Rend Lake Inter-City Water System have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2025. The violations listed here began between June 1977 and August 2025. By type: 6 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Chlorite (2 of them). EPA lists 6 as resolved and 1 as archived. 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. 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 |
|---|---|---|---|---|
| 2025-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloritecode 1009 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2016-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloritecode 1009 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 7 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.
Rend Lake Inter-City Water System: frequently asked questions
Who runs Rend Lake Inter-City Water System?
Rend Lake Inter-City Water System (PWSID IL0555100) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Rend Lake Inter-City Water System serve?
Rend Lake Inter-City Water System reports serving 3,650 people through 1,460 service connections in Franklin County, Illinois.
Where does Rend Lake Inter-City Water System get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Rend Lake Inter-City Water System have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 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 Rend Lake Inter-City Water System'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 7 violations for this system; none is health-based, and the most recent began in August 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 Rend Lake Inter-City Water System's water quality report?
As a community water system, Rend Lake Inter-City Water System 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 Franklin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| West Frankfort | Franklin | 8,650 | Community | Purchased surface water |
| Benton | Franklin | 8,104 | Community | Purchased surface water |
| Christopher | Franklin | 3,072 | Community | Purchased surface water |
| Sesser | Franklin | 2,556 | Community | Purchased surface water |
| Greenwood-Creek Nation Water Company | Franklin | 2,530 | Community | Purchased surface water |
| Ewing-Ina Water Commission | Franklin | 2,393 | 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, “Rend Lake Inter-City Water System, PWSID IL0555100, Illinois”, https://aquacensus.com/water-systems/illinois/rend-lake-inter-city-water-system-il0555100 (data as of October 1, 2026).