Facility detail

MARATHON MANDAN REFINERY

900 OLD RED TRL NE, MANDAN, ND, 58554

Parent company: MARATHON PETROLEUM 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)	Hydrogen fluoride	Aluminum oxide (fibrous forms)	Propylene	Toluene	Total (lbs)
2024	130,860	2,880	—	47,000	16,208	304,715
2023	160,870	1,910	—	62,000	17,904	369,472
2022	170,870	1,430	—	76,000	20,907	416,112
2021	170,860	690	—	53,000	20,303	379,253
2020	150,860	2,370	—	48,000	20,001	351,889
2019	160,860	2,240	—	45,000	17,301	347,666
2018	170,860	2,440	—	39,000	16,701	352,143
2017	140,010	2,240	—	32,000	13,609	279,725
2016	180,010	1,500	—	39,000	16,705	357,675
2015	170,010	1,810	—	45,000	17,902	356,342
2014	160,010	1,910	—	42,000	18,501	338,410
2013	150,010	2,500	—	51,000	16,202	328,807
2012	160,010	1,760	—	46,000	17,403	333,022
2011	170,010	15,300	—	47,000	17,609	432,957
2010	140,010	291,300	—	39,000	17,703	636,182
2009	160,010	321,500	—	42,000	19,203	716,506
2008	300,010	321,400	—	39,000	19,603	773,465
2007	330,010	270,950	—	34,700	25,022	760,907
2006	310,010	100,300	—	43,000	30,002	612,441
2005	270,010	121,400	—	32,000	22,001	562,157
2004	1,300,010	100,300	—	34,700	26,038	1,613,204
2003	1,400,010	131,300	—	40,700	22,001	1,739,313
2002	1,400,010	95,500	—	71,700	23,001	1,766,846
2001	1,400,010	121,500	—	72,600	48,001	1,905,302
2000	1,300,010	105,400	—	69,000	52,001	1,749,182
1999	1,500,010	121,500	—	74,000	50,002	1,986,611
1998	1,600,010	118,650	—	62,020	98,002	2,214,973
1997	1,600,010	121,700	—	74,600	40,002	2,061,581
1996	1,600,010	134,000	—	74,900	34,001	2,052,821
1995	—	81,600	—	67,000	81,001	534,128
1994	—	91,000	—	55,000	93,001	437,763
1993	—	3,700	—	55,000	102,001	377,679
1992	130	4,000	—	54,000	106,002	407,930
1991	130	4,000	—	55,000	143,002	410,756
1990	631	3,978	—	54,704	166,304	537,922
1989	656	3,978	—	54,704	126,360	456,419
1988	645	3,978	2,324,188	—	—	2,511,674
1987	1,100	—	—	—	—	123,826

▎ 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.