Public water system record
Prospect Heights
Serves Prospect Heights, Cook County, IL · 2,280 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Prospect Heights 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
- 1
Key facts
- Prospect Heights buys its water from IL American-Chicago Suburban.
- Most recent formal enforcement: signed compliance agreement by Illinois, December 2001.
- Record on file since 1987, with 9 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 494 service lines.
Check whether Prospect Heights 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
Full record since 1987
EPA's records for Prospect Heights go back to 1987. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 1990s | 4 | 1 |
| 2000s | 3 | 0 |
| 2010 to October 18, 2016 | 1 | 0 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2010, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2010 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 2002 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Feb 14, 2001 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jan 1, 1999 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jan 1, 1995 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1994 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Nov 1, 1991 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Nov 30, 1987 | Resolved |
Enforcement actions
Illinois regulators took 2 formal enforcement actions against Prospect Heights between 1992 and 2001. The most recent was a signed compliance agreement in December 2001.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 3, 2001 | Illinois | Signed compliance agreement | 2 violations (2 health-based): Combined Radium (-226 and -228) |
| Apr 9, 1992 | Illinois | Compliance order (no penalty) | 1 violation (1 health-based): Combined Radium (-226 and -228) |
Where the water comes from
Prospect Heights buys its water from IL American-Chicago Suburban. EPA also lists 1 well, all for emergency, seasonal or other part-time use.
Buys water from
- IL American-Chicago Suburban Godfrey, IL
Annual water quality report
Prospect Heights 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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