Facility detail

OTTER TAIL POWER CO HOOT LAKE PLANT

1012 WATER PLANT RD, FERGUS FALLS, MN, 56537

Parent company: OTTER TAIL CORP

Carcinogen PBT — EPA classifications across all reporting years

Start another search Verify on EPA ECHO ↗

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	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Lead compounds	Total (lbs)
2021	41,399	—	—	—	296	41,694
2020	64,462	—	—	—	454	64,916
2019	100,547	—	—	—	710	101,271
2018	—	2,200	170,664	—	—	174,067
2017	77,545	—	—	—	551	78,111
2016	71,251	—	—	—	641	71,906
2015	95,977	—	—	—	865	96,858
2014	170,945	2,500	—	—	1,552	175,032
2013	224,646	3,400	—	—	1,966	230,050
2012	65,336	3,029	—	5,679	332	74,403
2011	106,172	8,710	—	5,096	701	120,721
2010	188,985	20,000	—	7,400	1,629	218,046
2009	194,155	15,000	—	5,600	1,710	216,490
2008	231,443	19,000	—	7,100	2,039	259,614
2007	293,472	24,000	—	8,800	2,608	328,922
2006	131,435	22,000	—	5,300	2,162	160,930
2005	201,835	9,800	—	5,700	2,361	219,747
2004	141,427	7,300	—	4,300	427	153,486
2003	181,835	9,100	—	5,300	562	196,834
2002	161,628	8,100	—	4,800	509	175,078
2001	161,831	11,000	—	6,300	501	179,671
2000	146,236	13,000	—	7,100	—	166,382
1999	134,901	—	—	6,000	—	140,901
1998	105,302	—	—	6,400	—	111,702

▎ 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.