# CATERPILLAR, AURORA IL: EPA ECHO compliance status: Violation Identified

**Remediation Urgency Score:** 45/100

| Field | Value |
|---|---|
| Facility | CATERPILLAR |
| EPA Registry ID | 110018071922 |
| Address | ROUTE 31, AURORA, IL, 60504 |
| County | KENDALL |
| Industry (NAICS) | 333120: Construction Machinery Manufacturing, 531120: Lessors of Nonresidential Buildings (except Miniwarehouses) |
| SIC | 3531: Construction Machinery, 3532: Mining Machinery, 6512: Nonresidential Building Operators |
| Overall compliance status | Violation Identified |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | Violation Identified |
| Clean Air Act | No Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 0 |
| Total penalties | $0 |
| Inspections (5 years) | 2 |
| Last inspection | 2025-07-25 |
| 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=110018071922). 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.