Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BLACKMER A DOVER CO
1809 CENTURY AVE SW, GRAND RAPIDS, MI, 49503
Parent company: DOVER RESOURCES INC
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 | Manganese | Phenol | Copper | Lead compounds | Manganese compounds | Total (lbs) |
| 2024 | — | — | 15 | — | — | 18 |
| 2023 | — | — | 15 | — | — | 18 |
| 2020 | — | — | — | — | — | 8 |
| 2019 | — | — | — | — | — | 44 |
| 2018 | — | — | — | — | — | 75 |
| 2017 | — | — | — | 105 | — | 105 |
| 2016 | — | — | — | 145 | — | 145 |
| 2015 | — | — | — | 178 | — | 178 |
| 2014 | — | — | — | 216 | — | 216 |
| 2013 | — | — | — | 171 | — | 171 |
| 2012 | — | — | — | 181 | — | 181 |
| 2011 | — | — | — | 157 | — | 157 |
| 2010 | — | — | — | 146 | — | 146 |
| 2009 | — | — | — | 197 | — | 197 |
| 2008 | — | — | — | 178 | — | 178 |
| 2007 | — | 265 | — | 2 | — | 267 |
| 2006 | — | 165 | — | 2 | 284 | 451 |
| 2005 | — | 164 | — | 2 | 284 | 450 |
| 2004 | — | 164 | — | 2 | 284 | 450 |
| 2003 | — | 164 | — | 2 | 260 | 426 |
| 2002 | — | 164 | — | 2 | 284 | 450 |
| 2001 | 500 | 250 | 250 | — | — | 1,000 |
| 2000 | 500 | 250 | 250 | — | — | 1,000 |
| 1999 | 500 | 250 | 250 | — | — | 1,000 |
| 1998 | 500 | 250 | 250 | — | — | 1,000 |
| 1997 | 500 | 750 | 250 | — | — | 1,750 |
| 1996 | 500 | 250 | 750 | — | — | 1,500 |
| 1995 | 500 | 250 | 250 | — | — | 1,250 |
| 1994 | 1,000 | 750 | 250 | — | — | 2,250 |
| 1993 | 500 | 250 | 750 | — | — | 1,500 |
| 1992 | 500 | 250 | 750 | — | — | 1,500 |
| 1991 | 255 | 250 | 250 | — | — | 1,509 |
| 1990 | 250 | 250 | — | — | — | 750 |
| 1988 | 250 | — | — | — | — | 500 |
▎ 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.