# Phelps Dodge Tyrone Inc. (NMR05A918)
> **Administrative - Formal** · FY2004 · — · Unilateral Administrative Order Without Adjudication
## Case
- **Activity ID:** `124863`
- **Case Number:** 06-2004-2334
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** Unilateral Administrative Order Without Adjudication
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- Phelps Dodge Tyrone Inc. (complaint) (settlement)
## Summary

Phelps Dodge Tyrone, Inc., operates a copper mine in Grants, New Mexico.  Due to a heavy rain on July 25, 2004, their impound from their No. 3 stockpile discharged about 1800 gallons of acidic leach from the No. 2 Canyon and into Mangus Creek.  This industrial wastewater discharge was not authorized by their NPDES storm water permit.

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