# UOP LLC, DES PLAINES IL: EPA ECHO compliance status: No Violation Identified

**Remediation Urgency Score:** 46/100

| Field | Value |
|---|---|
| Facility | UOP LLC |
| EPA Registry ID | 110000791091 |
| Address | 50 EAST ALGONQUIN ROAD, DES PLAINES, IL, 60016 |
| County | COOK |
| Industry (NAICS) | 541712: Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) , 541713: Research and Development in Nanotechnology |
| SIC | 8731: Commercial Physical Research |
| Overall compliance status | No Violation Identified |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 7 |
| Clean Water Act | Terminated Permit |
| Clean Air Act | No Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 3 |
| Total penalties | $25,000 |
| Last penalty | 07/23/2026 |
| Inspections (5 years) | 1 |
| Last inspection | 2025-03-18 |
| Watershed | Des Plaines |

## Why this score
- 7 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 3 formal enforcement action(s) in 5 years.
- $25,000 in penalties.

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000791091). 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.