The Palouse Basin Aquifer Committee (PBAC) consists of representatives from the cities of Moscow, Idaho,

Pullman and Colfax, Washington, Latah and Whitman counties, and the University of Idaho and Washington

State In addition, the city of Palouse, Washington provides financial support, but is not a PBAC

member.  

The  general makeup of the Committee is such that each entity is represented by a technical person and 

an elected or administrative official. The Committee has been in place in various forms since 1967, and since

1992 has been recognized by the Idaho Department of Water Resources (IDWR) and the Washington  

Department of Ecology (WDOE) as the entity responsible for the administration of the basin’s ground

water resources.  

Please visit the PBAC Web page for interesting information about the local ground water resource systems

in the Palouse Basin.