Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US NATL PARK SERVICE BIG BEND NATL PARK
1 PANTHER JUNCTION RD, BIG BEND NATIONAL PARK, TX, 79834
Parent company: NA
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Lead | Total (lbs) | ||||
| 2016 | 144 | 144 | ||||
| 2008 | 135 | 135 | ||||
| 2007 | 164 | 164 | ||||
| 2006 | 273 | 273 | ||||
| 2003 | 101 | 101 | ||||
| 2001 | 199 | 199 | ||||
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.