Public water system record
Chicago Heights
Serves Chicago Heights, Cook County, IL · 26,184 people served
Federal records show no health-based violations and 6 monitoring/reporting issues for Chicago Heights in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Chicago Heights buys its water from Hammond Water Works Department.
- Record on file since 1977, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 2,486 lead and 6,815 unknown out of 9,705 service lines.
Check whether Chicago 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 |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
Full record since 1977
EPA's records for Chicago Heights go back to 1977. Before October 19, 2016 they list no health-based violations and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 4 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 0 | 4 |
Where the water comes from
Chicago Heights buys its water from Hammond Water Works Department. It lists no wells or intakes of its own. 5 other community water systems and 2 smaller public systems such as schools, businesses or campgrounds buy water from Chicago Heights.
Buys water from
- Hammond Water Works Department Hammond, IN
Community systems that buy water from it
- Ford Heights Ford Heights, IL
- Glenwood Glenwood, IL
- Homewood Homewood, IL
- South Chicago Heights South Chicago Heights, IL
- Thornton Thornton, IL
Annual water quality report
Chicago 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.
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