Public water system · IL0435650
ActiveIl American-Liberty Ridge West
At a glance
Il American-Liberty Ridge West (PWSID IL0435650) is an active community water system in DuPage County, Illinois. It reports serving 3,307 people through 1,272 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in January 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,307
Service connections
1,272
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Il American-Liberty Ridge West compare with other water systems in DuPage County?
By EPA's size categories, Il American-Liberty Ridge West is a medium system (3,301 to 10,000 people). DuPage County has 125 active public water systems. Its population served is about half of the county average of 6,865 people per system, and accounts for 0.4% of the 858,100 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 Il American-Liberty Ridge West 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. 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 Il American-Liberty Ridge West?
EPA lists Il American-Liberty Ridge West 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. 77 of the 125 active systems in DuPage County (62%) are also privately owned.
Does Il American-Liberty Ridge West have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in January 2000. The violations listed here began between June 1977 and January 2000. By type: 3 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 1994-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
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.
Il American-Liberty Ridge West: frequently asked questions
Who runs Il American-Liberty Ridge West?
Il American-Liberty Ridge West (PWSID IL0435650) is a community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Il American-Liberty Ridge West serve?
Il American-Liberty Ridge West reports serving 3,307 people through 1,272 service connections in DuPage County, Illinois.
Where does Il American-Liberty Ridge West 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 Il American-Liberty Ridge West have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in January 2000. 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 Il American-Liberty Ridge West'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 January 2000. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Il American-Liberty Ridge West's water quality report?
As a community water system, Il American-Liberty Ridge West 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 DuPage County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Naperville | DuPage | 156,406 | Community | Purchased surface water |
| Wheaton | DuPage | 53,970 | Community | Purchased surface water |
| Downers Grove | DuPage | 49,425 | Community | Purchased surface water |
| Elmhurst | DuPage | 45,000 | Community | Purchased surface water |
| Lombard | DuPage | 44,476 | Community | Purchased surface water |
| Carol Stream | DuPage | 39,854 | 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, “Il American-Liberty Ridge West, PWSID IL0435650, Illinois”, https://aquacensus.com/water-systems/illinois/il-american-liberty-ridge-west-il0435650 (data as of October 1, 2026).