# SIERRACIN/SYLMAR CORP, SYLMAR CA: EPA ECHO compliance status: Violation

**Remediation Urgency Score:** 53/100

| Field | Value |
|---|---|
| Facility | SIERRACIN/SYLMAR CORP |
| EPA Registry ID | 110000481764 |
| Address | 12780  SAN FERNANDO RD, SYLMAR, CA, 91342 |
| County | LOS ANGELES |
| Industry (NAICS) | 336413: Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| SIC | 3082: Unsupported Plastics Profile Shapes, 3083: Laminated Plastics Plate & Sheet, 3089: Plastics Products, 3728: Aircraft Parts And Equipment |
| Overall compliance status | Violation |
| Significant noncomplier | No |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | No Violation Identified |
| Clean Air Act | No Violation Identified |
| RCRA | Violation |
| Formal enforcement actions (5 years) | 2 |
| Total penalties | $0 |
| Last penalty | 11/20/2008 |
| Inspections (5 years) | 2 |
| Last inspection | 2024-05-17 |
| Watershed | Los Angeles |

## Why this score
- 12 of the last 12 quarters in noncompliance.
- Current violation under RCRA.
- 2 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=110000481764). 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.