Princeton
PWSID: IL0110850
System Details
| Population Served | 7,832 |
| Service Connections | 3,810 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Princeton |
| Zip Code | 61356 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0440 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0430 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0270 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0210 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0130 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0100 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0098 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0096 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0089 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0085 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0076 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0076 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0068 mg/L | 0.015 mg/L | Below Action Level |
Violation History (5 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-02 | | Returned to Compliance |
| | 2019-12-01 | Yes | Returned to Compliance |
| | 2019-12-01 | Yes | Returned to Compliance |
| | 2019-10-01 | Yes | Returned to Compliance |
| | 2019-10-01 | Yes | Returned to Compliance |