Macroinvertebrates and Pollution Tolerance Index for the South Platte Watershed

Denver Public Works developed these two guides to help citizens identify biological indicators of water quality. Special thanks to Donny Rousch of Denver Public Works

• Macroinvertebrates of the South Platte River (pdf) (405.78 KB, October 2019)
• South Platte River Pollution Tolerance Index (pdf) (270.36 KB, October 2019)