Facility detail

FOSTER FARMS PORTERVILLE PLANT

770 N PLANO ST, PORTERVILLE, CA, 93257

Parent company: FOSTER POULTRY FARMS LLC

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 Nitric acid Ammonia Total (lbs)
2022 1,000 1,000
2010 10,663 10,663
2009 12,649 12,649
2008 12,466 12,466
2007 11,449 5,018 16,467

▎ 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.