# ST. CHARLES WASTEWATER TREATMENT FACILITY, ST. CHARLES IL: EPA ECHO compliance status: Violation Identified

**Remediation Urgency Score:** 45/100

| Field | Value |
|---|---|
| Facility | ST. CHARLES WASTEWATER TREATMENT FACILITY |
| EPA Registry ID | 110000535494 |
| Address | 1405 SOUTH SEVENTH AVENUE, ST. CHARLES, IL, 60174 |
| County | KANE |
| Industry (NAICS) | 22132 |
| SIC | 4952: Sewerage Systems |
| Overall compliance status | Violation Identified |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 0 |
| Total penalties | $0 |
| Last penalty | 08/21/2008 |
| Inspections (5 years) | 0 |
| Last inspection | 2019-02-13 |
| Watershed | Lower Fox |

## Why this score
- 12 of the last 12 quarters in noncompliance.
- Current violation under CWA.

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000535494). Last refreshed: 2026-11-03T18:05:36.266Z.
Compliance data comes from EPA ECHO and may lag state records; a violation flag is not a finding of wrongdoing. Informational only; not legal or engineering advice.