Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OTTENWELLER CO INC
401 TECHNOLOGY LN, MOUNT AIRY, NC, 27030
Parent company: OTTENWELLER CO INC
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 compounds | Manganese And Manganese Compounds | Total (lbs) | |||
| 2024 | — | 10 | 10 | |||
| 2023 | — | 70 | 70 | |||
| 2022 | — | 240 | 240 | |||
| 2021 | 830 | — | 830 | |||
| 2020 | — | 750 | 750 | |||
| 2019 | 750 | — | 750 | |||
| 2018 | 750 | — | 750 | |||
| 2017 | 568 | — | 568 | |||
| 2016 | 5 | — | 5 | |||
| 2015 | 5 | — | 5 | |||
| 2014 | 5 | — | 5 | |||
| 2013 | 5 | — | 5 | |||
| 2012 | 5 | — | 5 | |||
| 2011 | 5 | — | 5 | |||
| 2010 | 5 | — | 5 | |||
▎ 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.