Facility detail

SHELL NORCO CHEMICAL PLANT

15536 RIVER RD, NORCO, LA, 70079

Parent company: SHELL OIL CO

Carcinogen PBT — EPA classifications across all reporting years

Start another search Verify on EPA ECHO ↗

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	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Propylene	Ethylene	Ammonia	Diethanolamine	Total
2024	6,255	5,171,416	240,536	26,940	537	5,662,002
2023	6,255	370,511	55,907	24,250	2,269	672,677
2022	7,065	91,661	91,143	24,554	3,328	443,482
2021	985	143,469	278,612	24,540	5,099	796,181
2020	1,855	141,157	177,065	24,593	7,862	857,897
2019	1,855	159,465	134,991	26,970	17,880	825,579
2018	1,855	169,735	381,295	26,577	256	1,201,565
2017	1,859	153,224	138,290	26,062	17,379	957,064
2016	1,903	188,448	175,920	27,805	17,992	1,037,027
2015	1,900	174,241	105,747	25,910	17,856	890,730
2014	1,897	279,525	255,044	25,528	1,779	1,088,839
2013	1,897	293,250	233,059	30,631	1,974	1,117,848
2012	1,897	212,806	238,784	44,260	13,244	1,078,932
2011	1,897	159,787	149,060	45,060	8,600	877,825
2010	1,895	180,634	142,693	42,695	482	962,606
2009	495	173,600	219,867	5,081	32,665	909,880
2008	589	198,637	420,188	5,826	49,467	1,245,210
2007	583	759,815	952,694	5,398	27,855	2,848,469
2006	810	196,775	351,240	6,520	61,990	1,178,723
2005	940	188,411	150,280	9,147	16,447	1,121,701
2004	983	319,177	408,811	9,907	18,378	1,396,994
2003	869	401,000	250,200	9,016	15,800	1,192,818
2002	1,130	359,000	280,000	6,319	2,450	1,208,523
2001	1,890	335,892	235,287	14,670	18,597	1,205,729
2000	—	589,000	184,970	11,706	57,946	1,370,271
1999	1,008	421,000	211,490	12,836	61,160	1,330,325
1998	1,123	546,000	362,680	9,672	68,700	2,063,771
1997	7,147	740,000	406,000	44,027	9,880	1,723,800
1996	7,001	1,100,000	510,000	47,750	9,780	2,208,232
1995	7,281	1,330,000	432,000	43,603	10,310	2,422,358
1994	10,061	930,000	300,000	63,630	12,700	1,940,255
1993	2,777	1,070,000	162,000	47,506	10,803	1,804,493
1992	83	660,000	135,000	34,007	9,909	1,432,122
1991	2,340	500,000	207,000	27,000	79	1,282,081
1990	2,660	620,000	280,000	1,834,606	100,005	3,859,415
1989	30,050	888,000	386,000	2,015,300	91,750	4,960,010
1988	152,825,000	752,400	466,400	—	124,600	154,905,410
1987	182,021,400	1,030,000	—	4,731,400	3,090,000	191,525,080