Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HEWITT MACHINE & MANUFACTURING INC.
709 HWY 14, NICOLLET, MN, 56074
Parent company: NA
Carcinogen
— 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 | Styrene | Acetone | Total (lbs) | |||
| 1997 | 9,196 | — | 9,196 | |||
| 1996 | 4,776 | — | 4,776 | |||
| 1995 | 2,447 | — | 2,447 | |||
| 1994 | 5,313 | — | 5,313 | |||
| 1993 | 5,143 | — | 5,143 | |||
| 1992 | 8,557 | — | 8,557 | |||
| 1991 | 9,782 | — | 9,782 | |||
| 1990 | 15,903 | — | 15,903 | |||
| 1989 | 27,291 | — | 27,291 | |||
| 1988 | 23,010 | 9,900 | 32,910 | |||
▎ 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.