Public water system record
IL American-Chicago Suburban
Serves Mount Prospect and Prospect Heights, Cook County, IL · 11,187 people served
Federal records show no health-based violations and no monitoring or reporting issues for IL American-Chicago Suburban in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- IL American-Chicago Suburban buys its water from Glenview.
- Record on file since 1977, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 58 unknown out of 4,503 service lines.
Check whether IL American-Chicago Suburban serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1977
EPA's records for IL American-Chicago Suburban go back to 1977. Before October 19, 2016 they list 4 health-based violations (3 resolved, 1 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 4 | 0 |
| 1990s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began December 1989, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Dec 1, 1989 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Dec 9, 1985 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Dec 1, 1985 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Dec 2, 1981 | Archived |
Where the water comes from
IL American-Chicago Suburban buys its water from Glenview. EPA also lists 1 well, all for emergency, seasonal or other part-time use. It also has an emergency connection to Mount Prospect. 1 other community water system buys water from IL American-Chicago Suburban.
Buys water from
- Glenview Glenview, IL
Emergency or part-time connections to
- Mount Prospect Mount Prospect, IL
Community systems that buy water from it
- Prospect Heights Prospect Heights, IL
Annual water quality report
IL American-Chicago Suburban must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Illinois.
Certified drinking water labs by state EPA guidance for private wells