

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.
For more information about WRIA 54 please see www.ecy.wa.gov/apps/watersheds/wriapages/54.html (Environmental Assessment Program website).
To get additional information about the waterbodies in WRIA 54 please use the Water Quality Assessment Simple Query Tool.
| Waterbody Name | Pollutant(s) |
Status |
TMDL Lead(s)/Contacts |
| Long Lake (Lake Spokane) | Total Phosphorus | Approved |
David Moore 509-329-3514 |
| Spokane River | Dissolved Oxygen | Under Development |
David Moore 509-329-3514 |
| Spokane River Dissolved Metals | Dissolved Metals | Approved |
David Moore 509-329-3514 |
* 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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