Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GREENHILL CONCRETE PRODUCTS INC.
5411 N 145TH EAST AVE, OWASSO, OK, 74055
Parent company: SHERWOOD CONSTRUCTION CO 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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Lead | Lead compounds | Total (lbs) | ||
| 2024 | — | 3 | — | 3 | ||
| 2023 | — | 3 | — | 3 | ||
| 2022 | — | 3 | — | 3 | ||
| 2021 | — | 3 | — | 3 | ||
| 2020 | — | 3 | — | 3 | ||
| 2019 | 262 | 2 | — | 264 | ||
| 2018 | — | 2 | — | 2 | ||
| 2017 | 366 | 3 | — | 369 | ||
| 2016 | 127 | 2 | — | 129 | ||
| 2015 | 237 | 2 | — | 239 | ||
| 2014 | 199 | 2 | — | 202 | ||
| 2013 | 754 | 3 | — | 758 | ||
| 2012 | 12 | — | 7 | 19 | ||
| 2011 | 703 | — | 3 | 706 | ||
| 2010 | 5 | — | 1 | 6 | ||
| 2009 | 5 | — | 1 | 6 | ||
| 2008 | — | — | 1 | 1 | ||
▎ 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.