Public water system · IL0630650
ActiveSouth Wilmington
Community water system in Grundy County, Illinois, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
700
Service connections
340
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-14 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2026-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2025-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2024-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
South Wilmington: frequently asked questions
Is South Wilmington's water safe to drink?
South Wilmington is an active community water system regulated under the Safe Drinking Water Act, overseen by the IL state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs South Wilmington?
South Wilmington (PWSID IL0630650) is a local government-owned community water system, regulated by the IL state drinking water program.
How many people does South Wilmington serve?
South Wilmington reports serving 700 people through 340 service connections in Grundy County, Illinois.
Where does South Wilmington get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Grundy County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Morris | Grundy | 14,775 | Community | Groundwater |
| Minooka | Grundy | 12,800 | Community | Groundwater |
| Coal City | Grundy | 5,749 | Community | Groundwater |
| Diamond | Grundy | 2,508 | Community | Groundwater |
| Coal City Area Club | Grundy | 2,500 | Transient non-community | Groundwater |
| Gardner | Grundy | 1,361 | Community | Groundwater |
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