Facility detail

WELSCO INC.

9006 CRYSTAL HILL RD, NORTH LITTLE ROCK, AR, 72113

Parent company: NA

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 Propylene Mixture Total (lbs)
2024 255 — 255
2023 255 1,000 1,255
2022 255 — 255
2021 255 — 255
2020 255 — 255
2019 325 — 325
2018 880 — 880
2017 1,548 — 1,548
2016 1,541 — 1,541
2015 571 — 571
2014 2,205 — 2,205
2013 755 — 755
2012 1,155 — 1,155
2011 655 — 655
2010 655 — 655
2009 655 — 655
2008 655 — 655
2007 650 — 650
2006 650 — 650
2005 650 — 650
2004 650 — 650
2003 650 — 650
2002 650 — 650
2001 650 — 650
2000 650 — 650
1999 650 — 650
1998 650 — 650
1997 650 — 650
1996 650 — 650
1995 650 — 650
1994 650 — 650
1993 650 — 650
1991 1,300 — 1,300
1990 1,233 — 1,233
1989 1,380 — 1,380

▎ 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.