Facility detail

CEMEX CONSTRUCTION MATERIALS SOUTH LLC

5134 UTE HWY, LONGMONT, CO, 80503

Parent company: CEMEX INC

Carcinogen PBT — 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 Manganese compounds Lead compounds Lead Chromium compounds (except for chromite ore mined in the Transvaal Region) Total (lbs)
2024 3,518 — — — — 4,003
2023 3,146 — 316 — 589 4,063
2022 3,617 — — — — 4,016
2021 3,669 — — — — 4,408
2020 3,660 — — — 850 4,971
2019 3,051 — — — 359 3,599
2018 3,138 — — — — 4,216
2017 3,705 — 1,964 — 734 6,419
2016 2,758 — 539 — 1,043 4,384
2015 2,441 — 326 — 640 3,451
2014 — — 483 — — 527
2013 — — 566 — — 610
2012 — — 992 — 1,903 2,940
2011 — — 2,728 — — 2,772
2010 — — 1,997 — — 2,038
2009 — — 1,054 — — 1,076
2008 — 13,641 523 — — 14,216
2007 — 13,744 1,585 — — 15,383
2006 — — 808 — — 861
2005 — — — 3,815 — 3,867
2004 — — — 432 — 486
2003 — — — 1,336 — 1,350
2002 — — — 1,305 — 1,359
2001 — — — 1,802 — 1,815
2000 — — — — — 15
1997 — — — — — 255
1996 — — — — — 255
1995 — — — — — 255
1994 — — — — — 255
1993 — — — — — 33
1992 — — — — — 124
1991 — — — — — 43
1990 — — — — — 76
1989 — — — — — 127
1988 — — — — — 122

▎ 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.