Reports & Data

DRWW Workplan

Nutrient Assessment Reduction Plan (NARP) Reports:

The Nutrient Assessment Reduction Report (NARP) Report was submitted to the Illinois EPA by the DRWW and by DRWW Publicly Owned Treatment Works (POTW) members meeting the required special condition in the National Pollutant Discharge Elimination System (NPDES) permits of multiple DRWW members by the December 31, 2023 deadline. The DRWW and the individual DRWW POTW members are awaiting a response from the Illinois EPA on this submission.

Monitoring Plans:

Water Quality Reports:

Annual Water Quality Monitoring Data:

2018 Des Plaines River Watershed-Based Plan