# SDWA PWS U.S. Army Garrison Yuma Proving Ground/LAAF (AZ0414361)
> **Administrative - Formal** · FY2010 · — · Unilateral Administrative Order Without Adjudication
## Case
- **Activity ID:** `1800105638`
- **Case Number:** 09-2010-6021
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** Unilateral Administrative Order Without Adjudication
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- U.S. Army Garrison Yuma Proving Ground (complaint) (settlement)
- u.s. army garrison
## Summary

U.S. Army Garrison Yuma Proving Ground Laguna Army Airfield (PWS ID No. AZ0414361) public water system failed to meet the drinking water maximum contaminant level ( MCL ) for arsenic since September 2007 to the present. EPA Region 9 administrative order requires the U.S. Army Garrison to provide EPA Region 9 with plans and schedules to meet the arenic MCL by June 30, 2012.

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