Facility detail

NELSON DEWEY GENERATING STATIO N

11999 COUNTY HWY VV, CASSVILLE, WI, 53806

Parent company: ALLIANT ENERGY CORP

Carcinogen PBT — EPA classifications across all reporting years

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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	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Zinc compounds	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Hydrogen fluoride	Nickel compounds	Total (lbs)
2015	—	1,381	—	24,976	—	27,439
2014	—	281	—	27,030	—	28,568
2013	17,001	2,042	—	25,901	—	46,167
2012	—	1,649	—	20,424	—	22,136
2011	497,765	1,044	27,046	15,291	352	542,514
2010	607,154	1,482	33,531	19,829	405	663,524
2009	526,786	1,334	—	21,526	358	551,929
2008	583,005	9,651	—	24,319	365	621,294
2007	653,618	1,183	23,725	25,205	387	706,105
2006	634,425	1,346	42,401	26,078	456	706,962
2005	707,800	865	15,286	21,158	—	747,435
2004	19,765	—	20,367	17,071	419	59,029
2003	—	—	19,448	16,644	343	37,615
2002	26,776	291	87,823	—	791	118,046
2001	—	456	86,016	—	2,265	95,539
2000	—	—	—	—	17,506	36,970
1999	122,242	515,735	9,620	—	18,989	681,482
1998	88,584	379,697	9,014	—	13,465	501,360

▎ 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.