Facility detail

CALAVERAS POWER STATION

12940 S US HIGHWAY 181, SAN ANTONIO, TX, 78223

Parent company: NA

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) Hydrogen fluoride Barium And Barium Compounds Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) Total (lbs)
2024 — 2,140 546,187 10,700 2,970 681,133
2023 — 2,200 222,161 9,060 5,030 329,483
2022 — 5,280 239,491 11,300 9,840 383,583
2021 — 6,130 378,767 12,500 11,669 559,092
2020 205,036 4,350 — 7,790 7,110 336,563
2019 — 5,600 176,626 7,480 6,253 290,366
2018 — 31,600 458,300 17,900 98,857 822,539
2017 344,910 24,293 — 7,974 35,859 536,454
2016 1,042,124 17,910 — 11,551 13,244 1,289,920
2015 681,210 21,163 — 18,785 14,720 884,375
2014 272,742 35,572 — 37,446 24,080 491,660
2013 360,734 128,561 — 28,788 7,019 643,507
2012 5,810 122,000 — 1,790 10,334 221,492
2011 6,371 109,000 — 3,070 21,745 238,212
2010 892,050 221,005 — 2,905 21,005 1,390,446
2009 307,510 182,000 — 2,390 8,890 556,007
2008 157,540 161,000 — 4,200 11,800 366,233
2007 234,245 185,000 — 7,570 11,050 596,672
2006 53,510 170,000 — 27,200 134,000 400,698
2005 92,000 181,000 — 227,000 135,005 666,016
2004 244,355 181,000 — 234,000 139,000 864,314
2003 207,955 161,005 — 209,000 137,250 766,018
2002 318,655 140,005 — 198,250 141,041 925,098
2001 207,550 192,500 — 210,005 130,055 799,366
2000 228,355 162,600 — 202,870 123,035 774,210
1999 378,655 177,200 — 206,810 132,035 968,990
1998 214,855 168,360 — 204,860 118,270 736,270

▎ 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.