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Water Quality Improvement Projects (TMDLs)

Map for water resource inventory area (WRIA) 32, Washington State.

WRIA 32: Walla Walla

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.

 

Counties


Waterbody Name Pollutant(s) Status** TMDL Lead
Mill Creek Ammonia-N EPA approved

David T. Knight
509-329-3590

Mill Creek Chlorine EPA approved David T. Knight
509-329-3590
Walla Walla Chlorinated Pesticide
PCBs
EPA approved

Has multi-parameter implementation plan

David T. Knight
509-329-3590
Walla Walla Fecal Coliform EPA approved

Has multi-parameter implementation plan

David T. Knight
509-329-3590
Walla Walla pH
Dissolved Oxygen
EPA approved

Has multi-parameter implementation plan

David T. Knight
509-329-3590
Walla Walla Temperature EPA approved

Has multi-parameter implementation plan

David T. Knight
509-329-3590

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

For more information about WRIA 32:

* 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.

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Last updated March 2016