Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US GYPSUM SPERRY
13425 210TH ST, MEDIAPOLIS, IA, 52637
Parent company: USG CORP
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 | Lead | Mercury | Mercury compounds | Lead And Lead Compounds | Mercury And Mercury Compounds | Total (lbs) |
| 2024 | — | — | — | 55 | 15 | 71 |
| 2023 | — | — | 14 | — | — | 15 |
| 2022 | — | — | 15 | — | — | 16 |
| 2021 | — | — | 14 | — | — | 15 |
| 2020 | — | — | — | 1 | 13 | 14 |
| 2019 | — | — | 13 | — | — | 14 |
| 2018 | — | — | 11 | — | — | 12 |
| 2017 | — | — | 13 | — | — | 14 |
| 2016 | — | — | 14 | — | — | 15 |
| 2015 | — | — | 12 | — | — | 14 |
| 2014 | — | — | 12 | — | — | 14 |
| 2013 | 0 | 2 | — | — | — | 3 |
| 2012 | 0 | 2 | — | — | — | 3 |
| 2011 | 0 | 2 | — | — | — | 2 |
| 2010 | 0 | 2 | — | — | — | 3 |
| 2009 | 0 | 2 | — | — | — | 3 |
| 2008 | 1 | 3 | — | — | — | 4 |
| 2007 | 1 | — | — | — | — | 1 |
| 2002 | 10,853 | 1,033 | — | — | — | 11,886 |
| 2001 | 2 | 0 | — | — | — | 2 |
| 2000 | — | 8 | — | — | — | 8 |
▎ 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.