# MIDFIELD AVIATION LLC
> **Administrative - Formal** · FY2021 · — · Final Order With Penalty
## Case
- **Activity ID:** `3602759190`
- **Case Number:** 10-2021-0175
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** Final Order With Penalty
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- MIDFIELD AVIATION LLC (complaint) (settlement)
## Summary

Region 10 Settles with Midfield Aviation, LLC, for Clean Water Act (CWA) Violations (Caldwell, ID)
On November 3, 2021, EPA Region 10 filed an industrial non-filer expedited settlement agreement
resolving CWA NPDES violations by Midfield Aviation, LLC for their operation at the City of
Caldwell's Industrial Airport in Caldwell, Idaho. EPA Region 10 determined Midfield Aviation, LLC
required coverage under the EPA Stormwater Multi Sector General Permit (MSGP). EPA Region 10
made this determination following an October 2019, inspection conducted by Idaho Department of
Environmental Quality (IDEQ) on behalf of EPA, which also resulted in EPA Region 10 issuing an
administrative compliance order on consent with the City of Caldwell. EPA Region 10 alleged that
Midfield Aviation, LLC violated the NPDES program of the CWA at the Airport by failing to obtain
coverage under EPA?s MSGP. Midfield Aviation, LLC has obtained coverage under IDEQ's industrial
stormwater permit and began implementing its requirements. The estimated cost of injunctive relief is
$600. Actions taken by the facility should reduce discharged pollutants from industrial activities
associated with airports into receiving waters.

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