The Palouse Basin Aquifer Committee works to ensure a long-term, quality water supply for the Palouse Basin region.

We Are Committed To Working Together

A graphic outline of Whitman and Latah County borders, with Whitman County in orange and Latah County in blue, with the words: Whitman and Latah.

The primary role of PBAC is to encourage member entities to implement the Palouse Basin Groundwater Management Plan, enacted in 1992. Additional roles involve monitoring of pumping and groundwater levels, provide an education and information exchange, support groundwater system research, and explore supplemental water sources.

Upcoming Events

Next PBAC Meeting: Thursday, June 15 at 2:00 PM

In Person Attendance: UI Facilities Building, Jack's Creek Room 151
Virtual Attendance: Zoom (Passcode: PBAC)
Meeting Info: Agenda found on Committee Page the Tuesday prior to the meeting


Upcoming PBAC Meetings: 
Thursday, July 20 at 2:00 PM
Thursday, August 17 at 2:00 PM

Water Supply Alternatives Report

PBAC commissioned Alta Science & Engineering, Inc. in 2020 to refine five water supply project alternatives and generate recommendations for the best way to move towards project implementation. PBAC adopted Alta's findings at their August 18, 2022, meeting.


Cover Page of the Water Supply Alternatives Report written by Alta Science & Engineering

General Information

2015 Informational Update to the 1992 Groundwater Management Plan ||  Download

Original 1992 Groundwater Management Plan ||  Download

Boundary Map of the Palouse Basin Aquifer System || Download

Entity Action Plans ||  Download

PBAC Fact Sheet || Download

PBAC Mission and Goals ||  Download

PBAC Interagency Agreement ||  Download

History of Groundwater Management on the Palouse ||  Download

PBAC Bylaws ||  Download