# MPLX LP - Compressor Stations MACT HH & Engine Case
> **Judicial** · FY2021 · — · Litigated With Penalty
## Case
- **Activity ID:** `3602775342`
- **Case Number:** 08-2021-0125
- **Type:** Judicial
- **Lead:** EPA
- **Outcome:** Litigated With Penalty
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- MPLX LP (complaint) (settlement)
## Summary

(Denver, CO � April 20, 2023) - The U.S. Environmental Protection Agency (EPA), U.S. Department of Justice (DOJ), the State of North Dakota, and the State of Wyoming announced a settlement agreement with MPLX LP (MPLX) that will strengthen air pollution controls at seven natural gas processing plants and ten compressor stations located in North Dakota, Wyoming, and on the Uintah and Ouray Reservation in Utah.

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