US Steel - Midwest Plant
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PORTAGE, IN · PORTER COUNTY · NAICS 331221
Data updated May 2026
Annual Emissions History
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 110,193 |
| 2022 | 102,791 |
| 2021 | 124,448 |
| 2020 | 114,769 |
| 2019 | 122,128 |
| 2018 | 117,834 |
| 2017 | 107,843 |
| 2016 | 113,308 |
| 2015 | 117,824 |
| 2014 | 141,400 |
| 2013 | 141,625 |
| 2012 | 133,464 |
| 2011 | 134,562 |
Facility Insight: US Steel - Midwest Plant
US Steel - Midwest Plant (EPA GHGRP Facility ID 1001620) reported 110K metric tons of CO2-equivalent in 2023, operating in PORTAGE, IN within PORTER COUNTY. The site is classified under Metals with NAICS code 331221.
The facility has 13 years of reported data on record, covering the 2011–2023 window. Over that period, annual CO2e emissions declined by 18.1%, with the peak observed year showing up to 142K MT CO2e.
Emissions Analysis
US Steel - Midwest Plant is a moderate emitter at 110K MT CO2e, typical of mid-sized industrial operations.
Frequently Asked Questions
How much CO2 does US Steel - Midwest Plant emit? ▼
US Steel - Midwest Plant reported 110K MT CO2e in 2023.
Is US Steel - Midwest Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), US Steel - Midwest Plant's emissions have decreased by 18.1%. This suggests meaningful progress in emissions reduction.