Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
US NATL PARK SERVICE YELLOWSTONE NATIONAL PARK
YELLOWSTONE NATIONAL PARK, YELLOWSTONE NATIONAL PARK, WY, 82190
Parent company: US DEPARTMENT OF THE INTERIOR
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Lead | Propylene | Total |
|---|---|---|---|
| 2020 | 204 | — | 204 |
| 2015 | 223 | — | 223 |
| 2013 | 187 | — | 187 |
| 2012 | 236 | — | 236 |
| 2010 | 226 | — | 226 |
| 2009 | 305 | — | 305 |
| 2008 | 639 | — | 639 |
| 2007 | 887 | — | 887 |
| 2006 | 1,007 | — | 1,007 |
| 2004 | 1,033 | — | 1,033 |
| 2003 | 1,032 | — | 1,032 |
| 1994 | — | 1,161 | 1,161 |