Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KENNECOTT RIDGEWAY MINING CO
227 SUMMER RD, RIDGEWAY, SC, 29130
Parent company: KENNECOTT MINERALS CO
Carcinogen
PBT
— EPA classifications across all reporting years
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 | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Zinc compounds | Cyanide compounds | Total (lbs) |
| 1999 | — | — | — | 500,000 | 220,025 | 1,158,825 |
| 1998 | 10,400,000 | 6,700,000 | 1,460,000 | 840,000 | 1,024,000 | 23,048,000 |
▎ 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.