TMDL Project Information for WRIA 57 | WA State Department of Ecology

Washington State Department of Ecology

WATER QUALITY IMPROVEMENT PROJECTS (TMDLs)

RELATED ECOLOGY PROGRAMS

Water Quality

Water resource inventory area (WRIA) 57 map, Washington State.

WRIA 57: Middle Spokane

The following table lists overview information for water quality improvement projects (also known as 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
Liberty Lake	Total Phosphorus Total Nitrogen	Approved	David Moore 509-329-3514
Newman Lake	Total Phosphorus	Approved Implementation plan submitted to EPA	David Moore 509-329-3514
Spokane River	BOD (5-day)	TMDL under development	David Moore 509-329-3514
	Dissolved Oxygen	Approved
	Loading study and phosphorus model update
	PCBs	Under development as a direct-to implementation project
	Dissolved Metals	Approved	David Moore 509-329-3514

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

For more information about WRIA 57:

Waterbodies in WRIA 57 - using the Water Quality Assessment Simple Query Tool
Watershed Information for WRIA 57

* 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 June 2011