Facility detail

GRANITE CONSTRUCTION CO - HIGHWAY 175

4220 STATE HWY 175, LAKEPORT, CA, 95453

Parent company: NA

Carcinogen PBT — 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 Polycyclic aromatic compounds Benzo[g,h,i]perylene Total (lbs)
2024 227 227
2023 176 176
2022 361 13 374

▎ 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.