Public water system · IL1195150
ActiveIl American-Alton
At a glance
Il American-Alton (PWSID IL1195150) is an active community water system in Madison County, Illinois. It reports serving 46,127 people through 18,416 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in June 1999.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
46,127
Service connections
18,416
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Il American-Alton compare with other water systems in Madison County?
By EPA's size categories, Il American-Alton is a large system (10,001 to 100,000 people). Madison County has 54 active public water systems, and Il American-Alton is the largest of them by population served. Its population served is about 9.1 times the county average of 5,082 people per system, and accounts for 17% of the 274,409 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-Alton is about 6.9 times 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 Il American-Alton?
EPA lists Il American-Alton 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. 24 of the 54 active systems in Madison County (44%) are also privately owned.
Does Il American-Alton have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in June 1999. The violations listed here began between June 1977 and June 1999. By type: 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR) and Gross alpha (excluding radon and uranium). EPA lists 2 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 |
|---|---|---|---|---|
| 1999-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
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.
Il American-Alton: frequently asked questions
Who runs Il American-Alton?
Il American-Alton (PWSID IL1195150) is a community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Il American-Alton serve?
Il American-Alton reports serving 46,127 people through 18,416 service connections in Madison County, Illinois.
Where does Il American-Alton 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 Il American-Alton have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in June 1999. 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-Alton'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; 1 is health-based, and the most recent began in June 1999. 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-Alton's water quality report?
As a community water system, Il American-Alton 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 Madison County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Il American-Granite City | Madison | 33,572 | Community | Surface water |
| Collinsville | Madison | 29,500 | Community | Groundwater |
| Edwardsville | Madison | 26,808 | Community | Groundwater |
| Troy | Madison | 16,962 | Community | Groundwater |
| Bethalto | Madison | 15,210 | Community | Groundwater |
| Glen Carbon | Madison | 12,618 | 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-Alton, PWSID IL1195150, Illinois”, https://aquacensus.com/water-systems/illinois/il-american-alton-il1195150 (data as of October 1, 2026).