Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PG&E HUMBOLDT BAY POWER PLANT
1000 KING SALMON AVE, EUREKA, CA, 95503
Parent company: PACIFIC GAS & ELECTRIC CO
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 | Acetaldehyde | Ammonia | 1,2,4-Trimethylbenzene | Mercury | Lead compounds | Total (lbs) |
| 2024 | 25,402 | 397 | — | — | — | 25,800 |
| 2023 | 31,028 | 404 | — | — | — | 31,432 |
| 2022 | 33,132 | 692 | — | — | — | 33,825 |
| 2021 | 40,239 | 841 | 71 | — | — | 41,151 |
| 2020 | 35,417 | 753 | 63 | — | — | 36,232 |
| 2019 | 29,519 | 1,007 | 53 | — | — | 30,579 |
| 2018 | 25,302 | 607 | — | — | — | 25,909 |
| 2017 | 31,108 | 1,056 | 56 | — | — | 32,220 |
| 2016 | 26,897 | 654 | — | — | — | 27,551 |
| 2015 | 29,108 | 5,107 | 52 | — | — | 34,267 |
| 2014 | 25,314 | 614 | 46 | — | — | 25,973 |
| 2013 | 25,341 | 681 | 44 | — | — | 26,065 |
| 2012 | 30,017 | 850 | 54 | — | — | 30,921 |
| 2011 | 33,590 | 952 | 60 | — | — | 34,601 |
| 2010 | — | 296 | 19 | — | — | 314 |
| 2009 | — | — | — | — | — | 1 |
| 2008 | — | — | — | — | — | 1 |
| 2007 | — | — | — | — | — | 1 |
| 2006 | — | — | — | — | — | 1 |
| 2005 | — | — | — | — | — | 1 |
| 2004 | — | — | — | 2 | — | 2 |
| 2003 | — | — | — | — | — | 0 |
| 2002 | — | — | — | — | — | 0 |
| 2001 | — | — | — | 34 | 12 | 48 |
| 2000 | — | — | — | 6 | — | 7 |
▎ 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.