Facility detail

NEW HAVEN CHEMICALS LLC

67 WELTON ST, NEW HAVEN, CT, 06511

Parent company: NA

Carcinogen — 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 (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	Tetrachloroethylene	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Chlorine	Nitric acid	Ammonia	Total (lbs)
2020	—	16	—	8	—	23
2019	—	245	51	11	—	307
2018	—	423	153	11	—	587
2017	—	194	170	11	—	375
2016	—	365	195	13	—	573
2015	—	—	124	36	—	160
2014	—	—	103	41	—	144
2013	—	—	102	32	—	134
2012	—	—	102	32	—	134
2011	—	—	100	33	—	133
2010	—	—	101	43	—	144
2009	—	—	101	44	—	145
2008	—	—	53	69	—	122
2007	—	—	18	68	—	86
2006	—	—	43	65	—	108
2005	—	—	22	46	—	68
2004	—	—	7	63	—	70
2003	—	—	7	42	—	49
2002	—	—	7	42	—	49
2001	—	—	7	53	—	60
2000	—	—	7	53	—	60
1999	—	—	440	53	—	493
1998	—	—	440	71	—	511
1990	1,408	861	340	36	416	3,108
1989	1,322	830	340	36	362	2,937
1988	3,820	—	—	—	410	4,230
1987	1,770	2,295	—	500	—	4,565

▎ 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.