Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MADISON GAS & ELECTRIC CO
717 E MAIN ST, MADISON, WI, 53703
Parent company: MGE ENERGY
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Zinc compounds | Total |
|---|---|---|---|---|---|---|
| 2010 | — | — | — | — | — | 22 |
| 2009 | 23,970 | — | — | — | — | 23,988 |
| 2008 | 185,700 | 18,155 | — | — | — | 203,962 |
| 2007 | 62,000 | 16,000 | — | — | — | 78,082 |
| 2006 | 60,000 | 16,000 | — | — | — | 76,086 |
| 2005 | 146,330 | 39,062 | 30,392 | 689 | 368 | 217,026 |
| 2004 | 243,920 | 49,068 | 35,110 | 397 | 445 | 329,167 |
| 2003 | 140,000 | 41,000 | 26,000 | 437 | — | 207,587 |
| 2002 | 200,000 | 43,000 | 28,000 | 733 | 551 | 272,547 |
| 2001 | 250,000 | 40,000 | 34,000 | 934 | 521 | 325,637 |
| 2000 | 230,000 | 35,000 | 29,000 | 793 | 531 | 295,333 |
| 1999 | 105,393 | 83,500 | — | 1,056 | 738 | 190,687 |
| 1998 | 120,935 | 100,395 | — | 1,290 | 936 | 223,556 |