# American Cylinder Head Industrial Nonfiler ESA
> **Administrative - Formal** · FY2026 · — · Final Order With Penalty
## Case
- **Activity ID:** `3604877860`
- **Case Number:** 09-2026-1503
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** Final Order With Penalty
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- Erika Elbeck Christensen (complaint) (settlement)
## Summary

Region 9 Files CWA Expedited Settlement Agreement with American Cylinder Head:  On February 9, 2026, Region 9 filed an Expedited Settlement Agreement (ESA) with American Cylinder Head, resolving Clean Water Act Section 301 violations for unauthorized discharge of industrial stormwater from the Oakland facility into San Francisco Bay. Under the ESA, the respondent developed a site-specific plan to ensure its industrial activities are no longer exposed to stormwater; applied for a  no exposure  waiver as allowed under the Industrial General Permit; and paid a cash penalty of $3,750.

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*Source: [EPA ECHO](https://echo.epa.gov/) · AI Analytics · CC0 1.0*