# MountainWest Pipeline - Rock Springs Station (Tran) (THE WILLIAMS COS INC): 112,740 tCO2e in 2023

**Score:** 75/100

| Field | Value |
|---|---|
| Facility | MountainWest Pipeline - Rock Springs Station (Tran) |
| Parent company | THE WILLIAMS COS INC |
| Sector | Petroleum and natural gas systems |
| Address | Rock Springs, WY, 82901 |
| NAICS | 486210 |
| Reporting year | 2023 |
| Total tCO2e | 112,740 |
| Prior-year tCO2e | 89,150 |
| Change | +26.5% |

## Why this score
- Over 100,000 tCO2e a year.
- Emissions up 26.5% year over year.
- Parent company on record.

Source: U.S. EPA Greenhouse Gas Reporting Program (GHGRP) via Envirofacts (https://ghgdata.epa.gov/ghgp/service/facilityDetail/2023?id=1005989&ds=E&et=&popup=true). Last refreshed: 2026-11-03T01:39:43.268Z.
From EPA's Greenhouse Gas Reporting Program as published in Envirofacts. Facilities self-report; totals cover direct emissions in CO2-equivalent for the latest published reporting year. Reported emissions are not findings of any violation.