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Mitigation Guide for Outdoor Water Use in the Walla Walla Basin (Historical)

Publication number Date Published
07-11-032August 2007
VIEW NOW This publication is historical. It is unavailable on our website. To request a copy, please use the contact listed below.
Author(s) WA Water Trust
Description Effective September 5, 2007, mitigation is required for outdoor uses for new residential developments withdrawing ground water from permit-exempt wells14 drilled in the gravel (shallow) aquifer, in high density areas. This document provides guidance to home builders, developers, well drillers, land owners, Walla Walla County and Department of Ecology staff and others regarding the mitigation requirement prescribed in WAC 173-532-050 of the “Water Resources Program for the Walla Walla River Basin” rule.
The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.

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Keywords Walla Walla River Basin, water resource, water resources, water right, watershed planning, mitigation, ground water
WEB PAGE Walla Walla River Basin
WATERSHED Water Resource Inventory Area 32 Walla Walla