Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHLAND PRODUCTS CO
1000 RAINBOW DR, WATERLOO, IA, 50701
Parent company: NA
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 | Ethylene glycol | Zinc compounds | Total (lbs) | |||
| 2024 | 10 | 10 | 20 | |||
| 2023 | 10 | 10 | 20 | |||
| 2022 | 10 | 10 | 20 | |||
| 2021 | 10 | 10 | 20 | |||
| 2020 | 10 | — | 10 | |||
| 2019 | 10 | — | 10 | |||
| 2018 | 10 | — | 10 | |||
| 2017 | 10 | — | 10 | |||
| 2016 | 10 | — | 10 | |||
| 2015 | 10 | — | 10 | |||
| 2014 | 10 | — | 10 | |||
| 2013 | 10 | — | 10 | |||
| 2012 | 10 | — | 10 | |||
| 2011 | 10 | — | 10 | |||
| 2010 | 10 | — | 10 | |||
| 2009 | 10 | — | 10 | |||
| 2008 | 10 | 0 | 10 | |||
| 2007 | 10 | — | 10 | |||
| 2006 | 10 | — | 10 | |||
| 2005 | 10 | — | 10 | |||
| 2004 | 10 | — | 10 | |||
| 2003 | 10 | — | 10 | |||
| 2002 | 10 | 10 | 20 | |||
| 2001 | 10 | 10 | 20 | |||
| 2000 | 10 | 10 | 20 | |||
| 1999 | 10 | — | 10 | |||
| 1998 | 10 | — | 10 | |||
| 1997 | 10 | — | 10 | |||
| 1992 | 50 | — | 50 | |||
▎ 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.