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Water Quality Improvement Projects (TMDLs)

Map for water resource inventory area (WRIA) 42, Washington State.

WRIA 42: Grand Coulee

The following table lists overview information and links to specific water quality improvement projects (including total maximum daily loads, or TMDLs) for this water resource inventory area (WRIA). Please use links (where available) for more information on a project.


Waterbody Name Pollutant(s) Status** TMDL Lead
Crab Creek, Upper DO
On hold Karin Baldwin

** Status will be listed as one of the following: Approved by EPA, On hold or Implementation

For more information about WRIA 42:

* The Department of Ecology and other state resource agencies frequently use a system of 62 "Water Resource Inventory Areas" or "WRIAs" to refer to the state's major watershed basins.


Last updated October 2016