Facility detail

HANSEN MANUFACTURING DBA HI-ROLLER CONVEYORS

4511 N NORTHVIEW AVE, SIOUX FALLS, SD, 57107

Parent company: AG GROWTH INTERNATIONAL

Carcinogen — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Nickel Chromium Total (lbs)
2024 16 3 3 22
2023 15 2 3 20
2022 16 1 17
2021 15 1 16
2020 17 1 18
2019 20 1 21
2018 28 1 29
2017 24 2 26

▎ 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.