Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
COYOTE SPRINGS PLANT
200 ULMAN BLVD, BOARDMAN, OR, 97818
Parent company: PORTLAND GENERAL ELECTRIC
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 | Ammonia | Total |
|---|---|---|
| 1999 | 1,405 | 1,405 |
| 1998 | 1,805 | 1,805 |