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Overview of the Walla Walla (WRIA 32) Water Resources Program Rule (Historical)

Publication number Date Published
06-11-042November 2006
VIEW NOW This publication is historical. It is unavailable on our website. To request a copy, please use the contact listed below.
Author(s) Lynne Geller
Description The Walla Walla Water Resource Inventory Area (WRIA) 32 is located in southeastern Washington state, in Walla Walla County and part of Columbia County. It has three major water systems: the Touchet, the Mill Creek/Yellowhawk Creek, and the Walla Walla River. The watershed as a whole extends into northeastern Oregon.

The basin has limited water resources, and most of the summer flows in the Walla Walla have been diverted for irrigation. For many years, parts of the Walla Walla River were seasonally dried up, seriously impacting salmon and other fish. By 1999, bull trout and steelhead were listed as threatened species under the federal Endangered Species Act.
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Contact Water Resources Program at 360-407-6872
Keywords WRIA 32, WRIA 3, Walla Walla River Basin, water resource, water resources, water right, watershed planning, instream flow
WEB PAGE Walla Walla River Basin
WATERSHED Water Resource Inventory Area 32 Walla Walla