Environmental Protection

Point Source TMDL Implementation

Once a TMDL is approved, federal and state regulations require implementation of point source requirements, or wasteload allocations (WLAs), from the TMDL to be expressed in Wisconsin Pollutant Discharge Elimination System (WPDES) permits.…

TMDL Overview

Nonpoint Source TMDL Implementation

TMDL Implementation

Once a Total Maximum Daily Load (TMDL) is developed and approved, federal and state regulations then require implementation of TMDLs to meet water quality standards where there are implementation mechanisms in place and supported by law. For point…

Upper Fox and Wolf Rivers TMDL

The Upper Fox River and Wolf River Basins. © Winnebago Waterways

Featured Water Restorations

Since 2002, the DNR has delisted 89 individual streams, lakes or beaches, representing 443 stream miles and 52,000 lake acres in the state. Below are a few stories of the road to these waters' aquatic health recovery.

Resources for homeowners and farmers

The following resources describe things homeowners and farmers can do to reduce polluted runoff, related to the Wisconsin River Basin TMDL.

Presentations, webinars and videos

Presentations, webinars and videos on the Wisconsin River TMDL and related topics. Presentations February 2018 informational webinar and meetings The DNR hosted an informational webinar on February 21, 2018, which kicked off a series of…

Rock River TMDL

Subscribe to Rock River TMDL project news Rock River Recovery is the official name of the Rock River Basin TMDL implementation process.

Northeast Lakeshore TMDL