Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HOLCIM (US) INC PORTLAND PLANT
3500 STATE HWY 120, FLORENCE, CO, 81226
Parent company: HOLCIM PARTICIPATIONS (US)
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 | Manganese compounds | Acetaldehyde | Zinc compounds | Hydrogen cyanide | Total (lbs) |
| 2024 | 84,477 | — | — | — | 52,144 | 176,557 |
| 2023 | 93,433 | — | — | — | 55,803 | 191,532 |
| 2022 | 77,326 | — | 48,758 | — | — | 153,336 |
| 2021 | 87,401 | — | 45,361 | — | — | 161,797 |
| 2020 | 110,495 | 40,017 | 50,433 | — | — | 230,490 |
| 2019 | 117,734 | — | 53,778 | — | — | 253,849 |
| 2018 | 287,592 | 23,754 | 45,149 | — | — | 357,788 |
| 2017 | 466,128 | 11,224 | — | 2,082 | — | 480,102 |
| 2016 | 568,037 | — | — | 2,656 | — | 571,891 |
| 2015 | 237,043 | 8,425 | — | 1,916 | — | 249,382 |
| 2014 | 173,059 | 32,011 | — | 7,087 | — | 219,773 |
| 2013 | 79,024 | 10,330 | — | 3,676 | — | 94,587 |
| 2012 | — | — | — | 2,937 | — | 4,640 |
| 2011 | 40,249 | 21,184 | — | 5,866 | — | 68,839 |
| 2010 | 57,837 | 37,027 | — | 11,010 | — | 107,141 |
| 2009 | 78,338 | 42,188 | — | 24,241 | — | 147,904 |
| 2008 | 194,115 | 57,333 | — | 6,513 | — | 259,736 |
| 2007 | 187,643 | 21,113 | — | 2,925 | — | 212,430 |
| 2006 | 113,982 | — | — | 52 | — | 114,053 |
| 2005 | 76,384 | — | — | 2,537 | — | 83,098 |
| 2004 | 76,000 | — | — | 7,450 | — | 98,259 |
| 2003 | 450,000 | — | — | 6,450 | — | 465,318 |
| 2002 | — | — | — | 133 | — | 3,236 |
| 2001 | 149,351 | — | — | — | — | 149,789 |
| 2000 | 305,864 | — | — | 23,883 | — | 329,929 |
| 1999 | 293,976 | — | — | — | — | 293,976 |
| 1998 | 308,309 | — | — | — | — | 308,309 |
| 1997 | 281,397 | — | — | — | — | 281,397 |
| 1996 | 312,994 | — | — | — | — | 312,994 |
| 1995 | 315,417 | — | — | — | — | 315,417 |
▎ 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.