# MARENGO STP, CITY OF, MARENGO IL: EPA ECHO compliance status: Violation Identified

**Remediation Urgency Score:** 48/100

| Field | Value |
|---|---|
| Facility | MARENGO STP, CITY OF |
| EPA Registry ID | 110018321369 |
| Address | 1350 NORTH STATE ROUTE 23, MARENGO, IL, 60152 |
| County | MCHENRY |
| SIC | 4952: Sewerage Systems |
| Overall compliance status | Violation Identified |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 10 |
| Clean Water Act | Violation Identified |
| Formal enforcement actions (5 years) | 1 |
| Total penalties | $0 |
| Inspections (5 years) | 0 |
| Last inspection | 2020-10-22 |
| Watershed | Kishwaukee |

## Why this score
- 10 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 1 formal enforcement action(s) in 5 years.

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110018321369). Last refreshed: 2026-11-04T18:09:33.420Z.
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.