Facility detail

CHEVRON PHILLIPS CHEMICAL CO LP

9500 IH-10 E, BAYTOWN, TX, 77521

Parent company: CHEVRON PHILLIPS CHEMICAL CO LLC

Carcinogen — 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	Ethylene	Propylene	Sodium sulfate (solution)	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	Ammonia	Total (lbs)
2024	822,826	81,916	—	28,984	77,901	1,185,031
2023	681,687	80,088	—	33,445	73,152	1,014,808
2022	655,435	89,146	—	37,425	60,688	962,529
2021	444,921	43,277	—	59,398	73,869	725,684
2020	265,247	48,090	—	28,361	76,084	493,337
2019	631,684	60,209	—	34,546	87,407	959,260
2018	206,299	59,320	—	27,269	30,249	398,019
2017	206,300	59,320	—	14,431	30,677	385,651
2016	326,986	83,023	—	36,833	32,389	622,356
2015	191,855	49,928	—	36,668	37,835	384,672
2014	263,512	36,245	—	33,304	23,679	424,145
2013	187,881	25,961	—	22,382	19,885	315,529
2012	223,919	27,239	—	24,026	23,568	355,862
2011	270,150	29,400	—	7,362	25,094	407,384
2010	249,842	64,814	—	11,709	14,227	440,050
2009	247,864	70,522	—	4,469	7,461	377,118
2008	436,911	226,860	—	12,143	11,760	733,158
2007	250,209	60,253	—	12,605	24,755	393,079
2006	406,173	54,794	—	23,488	29,825	588,469
2005	329,741	33,488	—	38,987	86,711	559,838
2004	434,604	59,630	—	24,263	34,791	639,334
2003	382,761	45,135	—	25,725	464	534,874
2002	486,211	60,379	—	69,067	834	706,385
2001	472,731	69,891	—	89,000	1,114	715,007
2000	579,373	32,690	—	66,417	572	770,130
1999	982,980	413,140	—	58,600	1,383	1,580,156
1998	1,134,990	172,812	—	62,050	1,440	1,544,363
1997	927,160	191,752	—	60,800	1,329	1,402,589
1996	923,925	166,980	—	63,500	1,274	1,398,491
1995	637,393	78,067	—	—	300	924,307
1994	781,483	124,489	—	—	337	945,454
1993	1,510,475	343,650	—	—	27	2,000,922
1992	801,007	142,961	—	—	7	987,579
1991	579,451	99,979	—	—	7	708,062
1990	582,328	35,249	—	—	7	638,494
1989	515,719	33,575	—	—	7	572,635
1988	—	—	—	—	980	9,051
1987	—	—	2,893,917	—	—	2,901,516

▎ 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.