Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TURTLE MOUNTAIN MANUFACTURING CO
HWY 5 W, BELCOURT, ND, 58316
Parent company: TURTLE MOUNTAIN MANUFACTURING 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 | Toluene | Xylene (mixed isomers) | Total (lbs) | ||
| 1994 | 13,619 | — | — | 13,619 | ||
| 1993 | 11,941 | — | — | 11,941 | ||
| 1990 | 16,560 | 12,740 | 10,883 | 40,183 | ||
| 1988 | 11,005 | 11,359 | — | 22,364 | ||
▎ 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.