Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HOWARD PURIFICATION PLANT
3929 S 6TH ST, MILWAUKEE, WI, 53221
Parent company: MILWAUKEE WATER WORKS
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 | Ozone | Ammonia | Chlorine | Phosphoric acid | Total (lbs) | |
| 2016 | 367 | — | — | — | 367 | |
| 2015 | 1,550 | — | — | — | 1,550 | |
| 2014 | 1,448 | — | — | — | 1,448 | |
| 2013 | 2,847 | — | — | — | 2,847 | |
| 2012 | 27 | 120 | — | — | 147 | |
| 2011 | 25 | 140 | — | — | 165 | |
| 2010 | 33 | 146 | — | — | 179 | |
| 2009 | 20 | 138 | — | — | 158 | |
| 2008 | 22 | 165 | — | — | 187 | |
| 2007 | 33 | 146 | — | — | 179 | |
| 2006 | 29 | 181 | — | — | 210 | |
| 2005 | 0 | 500 | — | — | 500 | |
| 2004 | 0 | 500 | 250 | — | 750 | |
| 2003 | 0 | 500 | 250 | — | 750 | |
| 2001 | 0 | 500 | 250 | — | 750 | |
| 1996 | — | 255 | 5 | 5 | 265 | |
▎ 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.