Facility detail

WATTS REGULATOR CO.

1485 TANFORAN AVE, WOODLAND, CA, 95776

Parent company: WATTS REGULATOR CO

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 Chromium Nickel Manganese Diisocyanates Total (lbs)
2024 5 10 10 5 30
2023 5 10 10 5 30
2022 5 10 10 25
2021 5 10 10 25
2020 42 21 5 68
2019 44 22 6 72
2018 44 22 6 72
2017 43 22 6 71
2016 41 21 6 68

▎ 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.