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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 57 please see www.ecy.wa.gov/apps/watersheds/wriapages/57.html (Environmental Assessment Program website).
To get additional information about the waterbodies in WRIA 57 please use the Water Quality Assessment Simple Query Tool.
| Waterbody Name | Pollutant(s) |
Status |
TMDL Lead(s)/Contacts |
| Liberty Lake |
Total Phosphorus Total Nitrogen |
Approved |
David Moore 509-329-3514 |
| Newman Lake | Total Phosphorus |
Approved |
David Moore 509-329-3514 |
| Spokane River | BOD (5-day) | TMDL Under Development |
David Moore 509-329-3514 |
| Dissolved Oxygen | TMDL Under Development | ||
| Loading study and phosphorus model update | |||
| PCB | TMDL Under Development | ||
| 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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