Facility detail

COLSTRIP STEAM ELECTRIC STATION

WILLOW AVE, COLSTRIP, MT, 59323

Parent company: NA

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

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

The 10 chemicals with the highest cumulative on-site releases across all available years.

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

Year	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	Manganese compounds	Barium And Barium Compounds	Manganese And Manganese Compounds	Vanadium compounds	Total
2024	—	—	5,068,010	1,009,580	94,393	6,711,928
2023	—	—	7,303,440	1,187,870	115,493	9,191,925
2022	—	—	6,326,110	1,358,860	114,842	8,370,464
2021	—	—	6,394,230	1,470,330	115,643	8,528,376
2020	—	—	5,714,130	1,119,930	92,422	7,441,077
2019	9,950,740	1,748,150	—	—	174,663	12,743,169
2018	4,548,280	1,646,000	—	—	160,843	7,116,974
2017	5,477,090	1,751,130	—	—	167,243	8,182,518
2016	5,191,380	1,742,140	—	—	186,453	7,956,334
2015	9,272,400	1,713,410	—	—	175,962	12,031,938
2014	9,037,700	1,633,190	—	—	164,002	11,641,637
2013	8,512,100	1,502,930	—	—	147,102	10,898,327
2012	7,770,500	1,372,810	—	—	143,742	10,017,458
2011	8,403,910	1,442,970	—	—	149,062	10,788,329
2010	10,479,100	1,792,760	—	—	184,201	13,408,821
2009	7,365,180	1,519,760	—	—	186,912	9,787,640
2008	8,791,390	1,879,760	—	—	225,202	11,796,804
2007	8,462,390	1,817,560	—	—	218,302	11,381,561
2006	8,164,280	1,742,260	—	—	208,602	10,935,263
2005	8,769,560	1,885,560	—	—	226,432	11,790,111
2004	8,614,085	1,832,055	—	—	219,102	11,573,712
2003	8,159,245	1,747,240	—	—	228,653	10,969,181
2002	7,212,865	1,549,865	—	—	275,505	9,814,262
2001	8,176,250	1,806,350	—	—	262,705	11,105,411
2000	7,770,255	1,705,755	—	—	209,505	10,485,331
1999	3,776,250	1,705,650	—	—	—	6,579,085
1998	3,877,250	1,805,850	—	—	—	6,847,555