Dekalb
PWSID: IL0370100
System Details
| Population Served | 45,000 |
| Service Connections | 11,104 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Dekalb |
| Zip Code | 60115 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0110 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0090 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0075 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0064 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
Violation History (9 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2018-06-01 | | Returned to Compliance |
| | 2018-04-01 | | Returned to Compliance |
| | 1992-04-01 | | Returned to Compliance |