Joliet Town of
PWSID: MT0000256
System Details
| Population Served | 600 |
| Service Connections | 300 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Joliet |
| Zip Code | 59041 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0048 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0030 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-10-01 | | Open |
Violation History (13 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Acknowledged |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-09-01 | Major | Acknowledged |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2020-07-01 | | Returned to Compliance |
| | 2015-07-01 | | Returned to Compliance |
| | 2011-01-01 | | Returned to Compliance |
| | 2006-07-01 | | Returned to Compliance |