The Upper Sangamon watershed is located in McLean, Champaign, Dewitt, Ford, Piatt, Macon, Christian, and Sangamon Counties. It is approximately 912,662 acres.
Today the watershed currently faces problems related to water quality involving nutrients, pesticides, and suspended solids attributed to sources from agriculture and shoreline erosion.
Sangamon watershed studies
Much research and study has been conducted on the Sangamon Watershed. To read more about the Mackinaw Watershed, utilize our Watershed Library on the right, or click the links below:
- Sangamon River/Lake Decatur Watershed TMDL Report (IEPA)
- Salt Creek of Sangamon & Lower Sangamon River Watershed