# CALTRANS MS4 AO
> **Administrative - Formal** · FY2011 · — · Final Order No Penalty
## Case
- **Activity ID:** `2200035380`
- **Case Number:** 09-2011-0001
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** Final Order No Penalty
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- Caltrans (complaint) (settlement)
## Summary

Administrative Order requiring compliance with existing statewide NPDES MS4 stormwater permit.

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