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Water Quality Improvement Projects (TMDLs)

Water Resource Inventory Area (WRIA) 41 map, Washington State.

WRIA 41: Lower Crab

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 Dissolved Oxygen
Fecal Coliform
On hold Karin.Baldwin
Moses Lake Nitrogen
Total Phosphorus
Under development
On legislative hold 3/03
Quincy NPDES Permit TMDL for Wasteway DW237 and W645 Ammonia
BOD (5-day)
Fecal Coliform
EPA approved Karin Baldwin

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

For more information about WRIA 41:

* 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