20230418 09532800 1.0 TRUE GW Umatilla Muni Wells (5 mile) In the Umatilla Basin, there are several cities that have a classification set forth in the Basin Program rules (OAR 690-507) that limits the issuance of new ground water permits from the basalt aquifer within a 5-mile radius around any municipal well of these cities. However, this classification applies only when the city has a Water Management and Conservation Plan that is “in effect”. Oregon Water Resources Department