Facility detail

SUPERIOR REFINING CO LLC

2407 STINSON AVE, SUPERIOR, WI, 54880

Parent company: SUPERIOR REFINING CO LLC

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	Ammonia	Xylene (mixed isomers)	Formaldehyde	Toluene	Propylene	Total
2024	—	83,454	—	70,716	1,791	355,813
2023	—	51,826	—	45,554	1,354	229,872
2022	—	5,862	—	7,970	—	28,409
2021	—	5,714	—	5,565	—	22,545
2020	—	6,569	—	6,750	—	26,180
2019	—	30,597	—	24,004	1,556	112,110
2018	4,303	47,398	—	37,391	1,051	183,740
2017	13,303	30,934	—	26,747	1,503	140,732
2016	13,417	31,557	—	27,407	2,007	140,959
2015	12,863	31,241	—	27,256	1,486	138,037
2014	14,302	31,031	—	26,991	1,668	139,455
2013	13,575	31,156	—	26,328	2,179	137,562
2012	16,124	4,191	—	7,371	1,545	44,314
2011	16,671	20,596	—	19,279	1,064	91,132
2010	3,706	2,263	—	5,821	880	23,543
2009	2,178	2,244	—	5,909	423	19,603
2008	—	10,969	—	13,311	10,253	58,348
2007	—	11,256	—	13,879	16,637	61,956
2006	—	4,889	—	7,307	12,164	38,926
2005	—	5,645	—	5,834	9,358	35,971
2004	—	3,511	—	3,893	8,120	26,708
2003	—	2,064	—	2,382	7,678	21,187
2002	—	2,038	—	2,077	6,776	20,030
2001	—	494	—	1,302	2,088	9,494
2000	—	229	—	818	3,665	9,060
1999	—	517	—	1,296	14,411	25,805
1998	358	1,127	—	3,218	23,160	55,509
1997	946	937	576	2,090	67,521	97,014
1996	1,242	1,184	451	3,883	50,493	82,676
1995	7,556	1,255	509	2,353	23,049	60,638
1994	73,939	1,614	21,078	2,618	61,363	197,018
1993	147,861	3,601	12,080	4,234	11,539	237,548
1992	21,503	7,227	177,983	7,591	14,536	325,436
1991	16,523	15,463	151,921	14,898	6,077	320,135
1990	245,769	65,416	185,360	28,678	6,710	637,995
1989	—	58,471	—	27,886	14,851	161,494
1988	—	8,950	—	9,480	15,174	218,463
1987	—	—	—	—	—	1,186