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Groundwater Management Area Lower Umatilla

Published by Steven Aalbers, Information Coordinator/GIS, Drinking Water Program, Water Quality Division, Oregon Department of Environmental Quality. | State of Oregon | Catalog Last Checked: May 05, 2026 at 07:55 PM | Dataset Last Updated: June 28, 2023
This polygon layer contains a spatial representation of a geographic area that is designated as a Groundwater Management Area for the Lower Umatilla Basin in Oregon.

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