Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALLIANT ENERGY ROCK RIVER GENERATING STATION
827 WBR TOWNLINE RD, BELOIT, WI, 535118822
Parent company: ALLIANT ENERGY - WISCONSIN POWER & LIGHT CO
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Zinc compounds | Ammonia | Manganese compounds | Total (lbs) |
| 1999 | 101,069 | 13,341 | 6,465 | 2,907 | — | 123,782 |
| 1998 | 169,880 | 17,023 | 11,293 | 2,905 | 902 | 202,003 |
▎ 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.