Facility detail

COVESTRO LLC

8500 W BAY RD MS-21, BAYTOWN, TX, 77523

Parent company: COVESTRO LLC

Carcinogen PBT — EPA classifications across all reporting years

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Year-over-year total releases

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

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases 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.

Year	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	Sodium sulfate (solution)	Toluene	Ammonia	Chlorobenzene	Total
2024	308,727	—	1,846	12,416	5,821	354,960
2023	244,110	—	1,840	4,657	4,366	280,681
2022	170,558	—	2,042	12,821	4,503	217,851
2021	129,162	—	2,084	14,159	4,517	177,851
2020	196,996	—	1,252	10,740	4,451	238,100
2019	424,285	—	1,648	26,471	4,482	483,785
2018	58,517	—	1,343	21,263	5,959	115,113
2017	243,088	—	1,317	26,085	3,849	298,008
2016	64,493	—	1,037	32,780	3,432	119,830
2015	351,497	—	1,046	19,413	416	392,286
2014	387,274	—	1,260	23,704	6,263	435,760
2013	565,682	—	669	9,680	4,549	601,420
2012	36,690	—	709	742	13,607	76,333
2011	89,807	—	277	1,641	20,400	131,394
2010	404,955	—	267	2,759	18,649	453,967
2009	433,938	—	412	1,864	19,678	500,332
2008	235,094	—	437	35,890	6,240	305,196
2007	299,193	—	1,835	33,621	4,900	376,684
2006	64,605	—	538	38,954	3,801	121,628
2005	32,130	—	3,076	36,386	5,933	91,612
2004	103,660	—	3,076	39,002	5,350	173,442
2003	40,150	—	2,555	39,612	3,495	114,490
2002	44,753	—	1,375	39,059	7,176	123,571
2001	74,000	—	1,600	36,585	8,820	168,311
2000	132,000	—	130	37,540	3,600	207,885
1999	675,000	—	363	15,800	12,805	760,844
1998	3,618,000	—	3,110	30,385	9,005	3,744,425
1997	3,130,000	—	4,410	43,320	9,405	3,250,461
1996	2,200,000	—	4,750	27,350	22,955	2,371,440
1995	3,000,000	—	4,605	13,750	16,450	3,117,215
1994	—	—	146,405	15,210	21,850	289,705
1993	—	—	244,250	87,650	33,300	483,580
1992	—	—	291,750	88,250	22,200	515,475
1991	—	—	433,250	93,250	59,700	754,880
1990	—	—	525,114	88,549	56,643	844,538
1989	—	—	449,374	7,663	129,135	823,033
1988	—	—	470,000	20,400	161,566	911,104
1987	—	5,700,000	—	—	—	5,880,334