Water Quality Improvement Projects (TMDLs) > TMDLs by County > Okanogan County

Okanogan County projects

The following table lists overview information for water quality improvement projects (also known as total maximum daily loads, or TMDLs) for this county.  Please use links (where available) for more information on a project.

To get additional information about the water bodies in Okanogan County please use the Water Quality Assessment Simple Query Tool.

WRIAs in Okanogan County

• WRIA 47 - Chelan
• WRIA 48 - Methow
• WRIA 49 - Okanogan
• WRIA 50 - Foster
• WRIA 51 - Nespelem
• WRIA 52 - Sanpoil
• WRIA 53 - Lower Lake Roosevelt
• WRIA 60 - Kettle