Neponset
PWSID: IL0110700
System Details
| Population Served | 427 |
| Service Connections | 200 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Neponset |
| Zip Code | 61345 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0134 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0001 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
43 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-22 | | Open |
| | 2025-07-02 | | Open |
| | 2025-07-01 | | Open |
| | 2025-07-01 | | Open |
| | 2024-10-17 | Yes | Open |
| | 2010-11-19 | | Open |
| | 2010-11-19 | | Open |
| | 2009-04-15 | | Open |
| | 2009-04-15 | | Open |
| | 2009-01-16 | | Open |
| | 2009-01-16 | | Open |
| | 2008-10-12 | | Open |
| | 2008-10-12 | | Open |
| | 2008-07-16 | | Open |
| | 2008-07-16 | | Open |
| | 2008-04-17 | | Open |
| | 2008-04-17 | | Open |
| | 2008-01-17 | | Open |
| | 2008-01-17 | | Open |
| | 2007-10-17 | | Open |
| | 2007-10-17 | | Open |
| | 2007-07-24 | | Open |
| | 2007-07-24 | | Open |
| | 2007-04-25 | | Open |
| | 2007-04-25 | | Open |
| | 2007-02-24 | | Open |
| | 2007-02-24 | | Open |
| | 2007-01-11 | | Open |
| | 2007-01-11 | | Open |
| | 2006-10-09 | | Open |
| | 2006-10-09 | | Open |
| | 2006-07-11 | | Open |
| | 2006-07-11 | | Open |
| | 2006-04-11 | | Open |
| | 2006-04-11 | | Open |
| | 2005-08-12 | | Open |
| | 2005-08-12 | | Open |
| | 2005-04-08 | | Open |
| | 2005-04-08 | | Open |
| | 2005-01-18 | | Open |
| | 2005-01-18 | | Open |
| | 2004-10-09 | | Open |
| | 2004-10-09 | | Open |
Violation History (68 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2021-12-30 | | Returned to Compliance |
| | 2017-07-01 | | Returned to Compliance |
| | 2013-01-02 | | Returned to Compliance |
| | 2012-07-11 | | Returned to Compliance |
| | 2012-07-11 | | Returned to Compliance |
| | 2012-04-13 | | Returned to Compliance |
| | 2012-04-13 | | Returned to Compliance |
| | 2012-01-18 | | Returned to Compliance |
| | 2012-01-18 | | Returned to Compliance |
| | 2011-07-19 | | Returned to Compliance |
| | 2011-07-01 | | Returned to Compliance |
| | 2010-04-21 | | Returned to Compliance |
| | 2010-04-21 | | Returned to Compliance |
| | 2010-01-02 | | Returned to Compliance |
| | 2009-07-21 | | Returned to Compliance |
| | 2009-07-21 | | Returned to Compliance |
| | 2006-07-01 | | Returned to Compliance |
| | 2005-07-01 | | Returned to Compliance |
| | 2004-07-01 | | Returned to Compliance |
| | 2004-07-01 | | Returned to Compliance |