MP Mine Operations LLC
Every figure on PlainCarbon is rendered directly from EPA Greenhouse Gas Reporting Program (GHGRP) data, no number is typed in by an editor. This page draws directly on the EPA Greenhouse Gas Reporting Program (GHGRP), no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.
Mountain Pass, CA · SAN BERNARDINO COUNTY · NAICS 212290
Data updated May 2026
Annual Emissions History
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 58,720 |
| 2022 | 45,078 |
| 2020 | 5,909 |
| 2019 | 4,055 |
| 2018 | 141 |
| 2017 | 9 |
| 2016 | 80 |
| 2015 | 62,680 |
| 2014 | 85,503 |
| 2013 | 49,127 |
| 2012 | 17,839 |
Facility Insight: MP Mine Operations LLC
MP Mine Operations LLC (EPA GHGRP Facility ID 1010550) reported 59K metric tons of CO2-equivalent in 2023, operating in Mountain Pass, CA within SAN BERNARDINO COUNTY. The site is classified under Other with NAICS code 212290.
The facility has 11 years of reported data on record, covering the 2012–2023 window. Over that period, annual CO2e emissions rose by 229.2%, with the peak observed year showing up to 86K MT CO2e.
Emissions Analysis
MP Mine Operations LLC reports 59K MT CO2e, placing it among smaller reporting facilities in the GHGRP.
Frequently Asked Questions
How much CO2 does MP Mine Operations LLC emit? ▼
MP Mine Operations LLC reported 59K MT CO2e in 2023.
Is MP Mine Operations LLC reducing emissions? ▼
Over 11 reporting years (2012–2023), MP Mine Operations LLC's emissions have increased by 229.2%. This may reflect expanded operations or increased production.