# NUCOR CALIFORNIA STEEL INDUSTRIES, FONTANA CA: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 98/100

| Field | Value |
|---|---|
| Facility | NUCOR CALIFORNIA STEEL INDUSTRIES |
| EPA Registry ID | 110063857376 |
| Address | 14000 SAN BERNARDINO AVENUE, FONTANA, CA, 92335 |
| County | SAN BERNARDINO |
| Industry (NAICS) | 331221: Rolled Steel Shape Manufacturing |
| SIC | 3312: Blast Furnaces And Steel Mills, 3313: Electrometallurgical Products, 3316: Cold Finishing Of Steel Shapes, 3317: Steel Pipe And Tubes |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | Compliance/Permit Schedule - Violations |
| Clean Air Act | Violation Addressed; Local Has Lead Enforcement |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 1 |
| Total penalties | $226,047 |
| Last penalty | 03/23/2026 |
| Inspections (5 years) | 7 |
| Last inspection | 2025-02-20 |
| Watershed | Santa Ana |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 12 of the last 12 quarters in noncompliance.
- Violations under 2 statutes (CWA, CAA): a multi-media problem.
- 1 formal enforcement action(s) in 5 years.
- $226,047 in penalties: remediation has a clear cost of inaction.

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110063857376). 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.