Public water system · IL0435700
ActiveIl American-Lombard Heights
At a glance
Il American-Lombard Heights (PWSID IL0435700) is an active community water system in DuPage County, Illinois. It reports serving 679 people through 261 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1977.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
679
Service connections
261
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Il American-Lombard Heights compare with other water systems in DuPage County?
By EPA's size categories, Il American-Lombard Heights is a small system (501 to 3,300 people). DuPage County has 125 active public water systems. Its population served is well below the county average of 6,865 people per system, and accounts for less than 0.1% 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-Lombard Heights 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 Il American-Lombard Heights?
EPA lists Il American-Lombard Heights 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-Lombard Heights have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1977. By type: 1 monitoring and reporting. The contaminant or rule involved is Gross alpha (excluding radon and uranium). EPA lists 1 as archived. 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 |
|---|---|---|---|---|
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
The one violation in EPA's records.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-Lombard Heights: frequently asked questions
Who runs Il American-Lombard Heights?
Il American-Lombard Heights (PWSID IL0435700) is a community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Il American-Lombard Heights serve?
Il American-Lombard Heights reports serving 679 people through 261 service connections in DuPage County, Illinois.
Where does Il American-Lombard Heights 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-Lombard Heights have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1977. 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-Lombard Heights' 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 one violation for this system; it is not health-based, and the most recent began in June 1977. 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-Lombard Heights' water quality report?
As a community water system, Il American-Lombard Heights 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-Lombard Heights, PWSID IL0435700, Illinois”, https://aquacensus.com/water-systems/illinois/il-american-lombard-heights-il0435700 (data as of October 1, 2026).