Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ESSENTIAL POWER MASSACHUSETTS LLC WEST SPRINGFIELD STATION
15 AGAWAM AVE, WEST SPRINGFIELD, MA, 01089
Parent company: NAUTILUS POWER LLC
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 | Ammonia | n-Hexane | Polycyclic aromatic compounds | 1,2,4-Trimethylbenzene | Benzo[g,h,i]perylene | Total (lbs) |
| 2021 | — | — | 0 | — | 0 | 0 |
| 2017 | — | — | 0 | — | 0 | 0 |
| 2016 | — | — | 0 | — | — | 0 |
| 2015 | — | — | 0 | — | — | 0 |
| 2014 | — | — | 0 | — | 0 | 0 |
| 2013 | — | — | 0 | — | 0 | 0 |
| 2012 | — | — | 0 | — | 0 | 0 |
| 2011 | — | — | 5 | — | 0 | 5 |
| 2010 | — | — | 5 | — | 0 | 5 |
| 2009 | — | — | 5 | — | 0 | 5 |
| 2008 | — | — | 5 | — | 0 | 5 |
| 2007 | 974 | — | 5 | — | 0 | 979 |
| 2006 | — | — | 5 | — | 0 | 5 |
| 2005 | — | — | 10 | — | 0 | 10 |
| 2004 | — | — | 12 | — | 0 | 13 |
| 2003 | — | — | 5 | — | 0 | 5 |
| 2002 | — | — | 5 | — | 0 | 5 |
| 2001 | — | 778 | 5 | 33 | 0 | 816 |
| 2000 | — | — | 0 | — | 0 | 1 |
▎ 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.