Facility detail

DARTMOUTH POWER ASSOCIATES L.P.

1 ENERGY RD, NORTH DARTMOUTH, MA, 02747

Parent company: TALEN ENERGY CORP

Carcinogen — EPA classifications across all reporting years

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 Ammonia n-Hexane Naphthalene 1,2,4-Trimethylbenzene Biphenyl Total (lbs)
2022 — 6,107 7 4 4 6,134
2018 — 1,025 4 5 — 1,034
2015 — 1,692 4 5 — 1,701
2014 — 2,101 5 5 — 2,111
2008 2,630 — — — — 2,630
2007 2,669 — — — — 2,669
2006 2,722 — — — — 2,722
2005 4,303 — — — — 4,303
2004 11,572 — 9 — — 11,581
2003 8,494 3,727 — 1 — 12,222
2002 13,035 — — — — 13,035
2001 9,570 — — — — 9,570
2000 14,973 — — — — 14,973
1999 17,193 — — — — 17,193
1998 17,747 — — — — 17,747

▎ 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.