Public water system · IL0310450
ActiveChicago Heights
Community water system in Cook County, Illinois, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
26,184
Service connections
9,795
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | 4H | 5200 | No | Unaddressed |
| 2025-01-01 | 27 | 2456 | No | Resolved |
| 2025-01-01 | 27 | 2950 | No | Resolved |
| 2023-10-01 | 52 | 5000 | No | Resolved |
| 2017-02-01 | 3A | 8000 | No | Resolved |
| 2017-01-01 | 27 | 0999 | No | Resolved |
| 2015-01-01 | 27 | 2456 | No | Resolved |
| 2015-01-01 | 27 | 2950 | No | Resolved |
| 2014-07-01 | 71 | 7000 | No | Resolved |
| 2010-11-01 | 24 | 3100 | No | Resolved |
| 2001-05-01 | 24 | 3100 | No | Archived |
| 1977-06-30 | 03 | 4000 | No | Archived |
Chicago Heights: frequently asked questions
Is Chicago Heights's water safe to drink?
Chicago Heights is an active community water system regulated under the Safe Drinking Water Act, overseen by the IL state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Chicago Heights?
Chicago Heights (PWSID IL0310450) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does Chicago Heights serve?
Chicago Heights reports serving 26,184 people through 9,795 service connections in Cook County, Illinois.
Where does Chicago Heights get its water?
EPA SDWIS lists this system's primary water source as purchased surface water.
Other water systems in Cook County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chicago | Cook | 2,746,388 | Community | Surface water |
| Cicero | Cook | 83,000 | Community | Purchased surface water |
| Schaumburg | Cook | 75,750 | Community | Purchased surface water |
| Evanston | Cook | 74,486 | Community | Surface water |
| Arlington Heights | Cook | 73,320 | Community | Purchased surface water |
| Palatine | Cook | 70,875 | Community | Purchased surface water |