Denver Public Works developed these two guides to help citizens identify biological indicators of water quality. Special thanks to Donny Rousch of Denver Public WorksYou may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- Macroinvertebrates of the South Platte River (PDF)(1 pg, 416 K, October 2019)
- South Platte River Pollution Tolerance Index (PDF)(1 pg, 277 K, October 2019)