# METROPOLITAN SEWER DIS LITTLE MIAMI WWTP, CINCINNATI OH: EPA ECHO compliance status: Violation Identified

**Remediation Urgency Score:** 46/100

| Field | Value |
|---|---|
| Facility | METROPOLITAN SEWER DIS LITTLE MIAMI WWTP |
| EPA Registry ID | 110009605917 |
| Address | 225 WILMER AVENUE, CINCINNATI, OH, 45226 |
| County | HAMILTON |
| Industry (NAICS) | 221320: Sewage Treatment Facilities |
| SIC | 4952: Sewerage Systems |
| Overall compliance status | Violation Identified |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 7 |
| Clean Water Act | Violation Identified |
| Clean Air Act | No Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 1 |
| Total penalties | $0 |
| Last penalty | 02/03/2014 |
| Inspections (5 years) | 3 |
| Last inspection | 2026-04-30 |
| Watershed | Middle Ohio-Laughery |

## Why this score
- 7 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 1 formal enforcement action(s) in 5 years.
- Inspected within the last year (2026-04-30).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110009605917). 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.