Public water system · IL0317765
ActiveBlackhawk Estates LLC
Community water system in Cook County, Illinois, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,238
Service connections
495
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | 72 | 7000 | No | Unaddressed |
| 2024-06-08 | 75 | 7500 | No | Resolved |
| 2024-04-01 | 02 | 4010 | Yes | Resolved |
| 2023-03-01 | 3A | 8000 | No | Resolved |
| 2023-01-01 | 27 | 0999 | No | Resolved |
| 2022-10-01 | 03 | 4010 | No | Resolved |
| 2022-07-01 | 03 | 4010 | No | Resolved |
| 2022-04-01 | 03 | 4010 | No | Resolved |
| 2021-10-01 | 03 | 4010 | No | Resolved |
| 2017-11-01 | 3A | 8000 | No | Resolved |
| 2017-10-01 | 27 | 0999 | No | Resolved |
| 2013-01-02 | 66 | 5000 | No | Resolved |
Blackhawk Estates LLC: frequently asked questions
Is Blackhawk Estates LLC's water safe to drink?
Blackhawk Estates LLC 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 Blackhawk Estates LLC?
Blackhawk Estates LLC (PWSID IL0317765) is a private-owned community water system, regulated by the IL state drinking water program.
How many people does Blackhawk Estates LLC serve?
Blackhawk Estates LLC reports serving 1,238 people through 495 service connections in Cook County, Illinois.
Where does Blackhawk Estates LLC get its water?
EPA SDWIS lists this system's primary water source as groundwater.
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 |