Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MIDAMERICAN ENERGY CO WALTER SCOTT JR ENERGY CENTER
7215 NAVAJO, COUNCIL BLUFFS, IA, 51501
Parent company: BERKSHIRE HATHAWAY INC
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 | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Barium And Barium Compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | Manganese compounds | Total (lbs) |
| 2024 | — | 1,178,809 | — | — | — | 1,382,894 |
| 2023 | — | 1,295,527 | — | — | — | 1,513,535 |
| 2022 | — | 1,626,130 | — | — | — | 1,889,305 |
| 2021 | — | 1,603,634 | — | — | — | 1,843,459 |
| 2020 | — | 1,214,779 | — | — | — | 1,388,918 |
| 2019 | — | 1,802,205 | — | — | — | 2,156,847 |
| 2018 | 2,107,100 | — | 10,665 | 9,921 | 72,137 | 2,490,316 |
| 2017 | 1,905,686 | — | 4,664 | 10,528 | 58,919 | 2,239,854 |
| 2016 | 1,835,781 | — | 5,054 | 9,480 | 55,588 | 2,164,624 |
| 2015 | 2,182,252 | — | 18,471 | 12,855 | 87,852 | 2,639,534 |
| 2014 | 2,229,897 | — | 67,831 | 42,363 | 132,966 | 2,860,553 |
| 2013 | 2,878,940 | — | 64,109 | 40,216 | 117,599 | 3,544,860 |
| 2012 | 2,714,042 | — | 62,276 | 39,304 | 118,026 | 3,368,404 |
| 2011 | 2,923,373 | — | 81,478 | 49,884 | 127,085 | 3,646,898 |
| 2010 | 3,092,368 | — | 89,922 | 54,754 | 134,353 | 3,878,622 |
| 2009 | 2,958,199 | — | 184,276 | 102,520 | 126,161 | 3,829,373 |
| 2008 | 2,687,285 | — | 469,508 | 249,568 | 143,666 | 4,018,929 |
| 2007 | 1,407,960 | — | 470,000 | 380,000 | 73,711 | 2,603,130 |
| 2006 | 934,660 | — | 420,000 | 220,000 | 50,611 | 1,771,694 |
| 2005 | 1,005,390 | — | 480,000 | 250,000 | 57,014 | 1,949,850 |
| 2004 | 446,040 | — | 440,000 | 230,000 | 24,643 | 1,233,807 |
| 2003 | 816,450 | — | 480,000 | 250,000 | 44,843 | 1,735,606 |
| 2002 | 920,220 | — | 260,000 | 270,000 | 171,700 | 1,843,134 |
| 2001 | 1,088,891 | — | 266,808 | 274,066 | 196,653 | 2,090,290 |
| 2000 | 1,191,164 | — | 250,788 | 257,610 | 214,347 | 2,203,960 |
| 1999 | 730,250 | — | 230,000 | 230,000 | 133,150 | 1,544,930 |
| 1998 | 1,100,750 | — | 430,000 | 220,000 | 201,955 | 2,267,640 |
▎ 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.