Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NRG ENERGY NORWALK HARBOR STATION
MANRESA ISLAND AVE, SOUTH NORWALK, CT, 06854
Parent company: NRG ENERGY INC
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nickel compounds | Vanadium compounds | Total (lbs) |
| 2013 | — | 546 | — | — | — | 546 |
| 2012 | — | — | — | — | — | 0 |
| 2011 | — | — | — | — | — | 0 |
| 2010 | — | — | — | — | — | 0 |
| 2009 | — | — | — | — | — | 0 |
| 2008 | 6,000 | 4,350 | — | — | — | 10,351 |
| 2007 | 5,400 | 8,750 | — | — | — | 14,185 |
| 2006 | 7,400 | 9,450 | — | — | — | 16,894 |
| 2005 | 6,800 | 3,250 | — | — | — | 10,112 |
| 2004 | 5,500 | 2,750 | — | — | — | 8,289 |
| 2003 | 6,500 | — | — | — | — | 6,535 |
| 2002 | 7,100 | — | — | — | — | 7,132 |
| 2001 | 30,000 | 8,500 | — | — | 1,800 | 40,388 |
| 2000 | 58,000 | 74,000 | 28,000 | 3,000 | 4,300 | 167,302 |
| 1999 | 110,000 | 74,000 | 28,000 | 3,102 | — | 215,102 |
| 1998 | 94,000 | 17,000 | 34,000 | 3,701 | — | 148,701 |
▎ 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.