Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
COLORADO AGGREGATE CO
13387 COUNTY RD 12, SAN ACACIO, CO, 81151
Parent company: CLIFFORD W ESTES CO
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 | Methyl ethyl ketone | Xylene (mixed isomers) | Toluene | Total (lbs) | ||
| 2009 | — | 16,778 | — | 16,778 | ||
| 2008 | — | 19,557 | — | 19,557 | ||
| 2007 | — | 26,354 | — | 26,354 | ||
| 2006 | — | 26,069 | — | 26,069 | ||
| 2005 | — | 18,092 | — | 18,092 | ||
| 2004 | — | 23,945 | — | 23,945 | ||
| 2003 | — | 33,063 | — | 33,063 | ||
| 2002 | — | 34,232 | — | 34,232 | ||
| 2000 | 10,444 | 23,903 | 11,716 | 46,063 | ||
| 1999 | 42,914 | — | 30,457 | 73,371 | ||
| 1998 | 20,759 | — | 20,510 | 41,269 | ||
| 1997 | 41,475 | — | 29,265 | 70,740 | ||
| 1996 | 42,469 | — | — | 42,469 | ||
| 1995 | 36,273 | — | 27,129 | 63,402 | ||
| 1994 | 24,387 | — | 22,225 | 46,612 | ||
| 1993 | 14,413 | — | 14,027 | 28,440 | ||
| 1992 | 16,972 | — | 16,486 | 33,458 | ||
▎ 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.