Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US EPA FUND-LEAD SUPERFUND SITE/SUMMITVILLE MINE
SUMMITVILLE, SUMMITVILLE, CO, 811329714
Parent company: US EPA FUND-LEAD SUPERFUND SITES
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 | Copper compounds | Manganese compounds | Zinc compounds | Total (lbs) | ||
| 2002 | 51,277 | 39,905 | — | 91,182 | ||
| 2001 | 77,460 | 77,894 | 33,340 | 188,694 | ||
| 2000 | 52,395 | 45,522 | — | 97,917 | ||
▎ 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.