Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PRATT & WHITNEY
1 AIRCRAFT RD, MIDDLETOWN, CT, 06457
Parent company: RTX CORP
Carcinogen
PBT
— EPA classifications across all reporting years
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 | 1,1,1-Trichloroethane | Nickel | Freon 113 (CFC-113) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Chromium | Total (lbs) |
| 2024 | — | 42 | — | — | 28 | 119 |
| 2023 | — | 38 | — | — | 8 | 74 |
| 2022 | — | 39 | — | — | 9 | 72 |
| 2021 | — | 23 | — | — | 9 | 79 |
| 2020 | — | 23 | — | — | 9 | 55 |
| 2019 | — | 23 | — | — | 9 | 72 |
| 2018 | — | 24 | — | — | 9 | 50 |
| 2017 | — | 14 | — | — | 6 | 34 |
| 2016 | — | 20 | — | — | 8 | 44 |
| 2015 | — | 15 | — | — | 15 | 49 |
| 2014 | — | 15 | — | — | 15 | 56 |
| 2013 | — | 15 | — | — | 15 | 50 |
| 2012 | — | 750 | — | — | 505 | 1,760 |
| 2011 | — | 132 | — | — | 45 | 209 |
| 2010 | — | 108 | — | — | 34 | 255 |
| 2009 | — | 120 | — | — | 58 | 232 |
| 2008 | — | 309 | — | — | 831 | 2,248 |
| 2007 | — | 478 | — | — | 198 | 886 |
| 2006 | — | 166 | — | — | 57 | 500 |
| 2005 | — | 187 | — | — | 68 | 475 |
| 2004 | — | 170 | — | — | 66 | 394 |
| 2003 | — | 207 | — | — | 75 | 376 |
| 2002 | — | 271 | — | — | 111 | 489 |
| 2001 | — | 354 | — | — | 135 | 573 |
| 2000 | — | 330 | — | — | 196 | 640 |
| 1999 | — | 750 | — | — | 750 | 2,250 |
| 1998 | — | 1,250 | — | — | 750 | 2,750 |
| 1997 | — | 750 | — | — | 750 | 2,005 |
| 1996 | — | 1,522 | — | — | 508 | 2,538 |
| 1995 | — | 444 | — | — | 231 | 840 |
| 1994 | 69,002 | 229 | — | — | 145 | 69,423 |
| 1993 | 190,000 | 282 | — | — | 140 | 190,523 |
| 1992 | 180,000 | 425 | — | — | 203 | 180,733 |
| 1991 | 230,000 | 453 | 7,500 | — | 263 | 238,851 |
| 1990 | 290,000 | 689 | 8,700 | — | 331 | 301,676 |
| 1989 | 270,000 | 28,471 | 16,000 | — | 9,966 | 329,579 |
| 1988 | 310,000 | 40,539 | 28,000 | 18,291 | — | 409,680 |
| 1987 | — | — | — | — | — | 7,260 |
▎ 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.