Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALLIANT ENERGY INTERSTATE POWER LIGHT SIXTH ST GENERATING ST
509 6TH ST NE, CEDAR RAPIDS, IA, 52402
Parent company: INTERSTATE POWER & LIGHT
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 | 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)) | Lead compounds | Mercury compounds | Polycyclic aromatic compounds | Total (lbs) |
| 2008 | — | 577 | 8 | 2 | 0 | 587 |
| 2007 | 5,197 | 253 | 88 | 6 | 1 | 5,544 |
| 2006 | 6,336 | 267 | 95 | 4 | 1 | 6,702 |
| 2005 | 8,185 | 237 | 221 | 31 | 1 | 8,675 |
| 2004 | 19,240 | 864 | 227 | 20 | 0 | 20,351 |
| 2003 | — | 3,710 | 220 | 21 | 1 | 3,952 |
| 2002 | 41,200 | 1,290 | 260 | 22 | 0 | 42,772 |
| 2001 | 69,600 | 1,719 | 219 | 15 | 0 | 71,554 |
| 2000 | 72,341 | 449 | — | 16 | 0 | 72,806 |
| 1999 | 288,000 | 418 | — | — | — | 288,418 |
| 1998 | 338,000 | 1,105 | — | — | — | 339,105 |
▎ 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.