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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 49 please see www.ecy.wa.gov/apps/watersheds/wriapages/49.html (Environmental Assessment Program website).
To get additional information about the waterbodies in WRIA 49 please use the Water Quality Assessment Simple Query Tool.
| Waterbody Name | Pollutant(s) |
Status |
TMDL Lead(s)/Contacts |
| Okanogan River, Lower |
DDT PCB |
Approved Implementation Plan completed |
Ryan Anderson 509-575-2642 |
|
Similkameen
River Tributary:
|
Arsenic | Approved |
Mark
Peterschmidt 509-454-7843 |
* 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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