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

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Did you know that you can pick up free conservation devices at your local water departments? Call your local water department to find out what devices and services they offer!


Contact your student involvement office, water resource center, or local community centers to learn how you can volunteer to help get the word out about water conservation in your community.

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Our local businesses are dedicated to water conservation practices. Ask your favorite businesses what efforts they make to conserve.

Upcoming events

PBAC Monthly Meeting

    || Details

  • Next PBAC Meeting (tentative): August 18, 2022, 2:00 PM
  • Location: Moscow UI Facilities Services Center, Jack's Creek Meeting Room
    Passcode: PBAC

2019 Water Use Report

The report that follows includes water use and water level information for the period from 1992 through 2019 (includes some 2020 data). Get the latest news on our water levels over the last year in the annual water report. We have more graphs and supplemental information under the information tab. 

|| Read the report

2019 Pumping and Weather

|| 2019 Final Weather and Pumping Presentation

We support research

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PBAC maintains a network of water level monitoring instruments throughout the Palouse Basin, and funds a variety of research projects aimed at gaining increased understanding of the behavior of the basin aquifer systems.

Alternative Water Supply Study

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A Consultant Team was hired by the Palouse Basin Aquifer Committee (PBAC) to evaluate previously studied water supply projects to determine the most promising supply projects for meeting existing and future supply needs in the Palouse groundwater basin. The evaluation study was jointly funded by PBAC and a grant from the Idaho Water Resource Board.

Recent Projects

A Collection of Geologic Maps, Cross-Sections, and Schematic Diagrams that Illustrate the Subsurface Geology of the Moscow-Pullman Basin and Vicinity:

By John H. Bush, Pamela Dunlap, and Daisuke Kobayashi

Generalized Cross Section Through Pullman and Moscow (page-size)

  • A Physically Based decision-making support tool for the upper Palouse Basin aquifer: Reviving the only groundwater flow model ever built for the Palouse:
  • By Nick Engdahl and Julie Padowski
    || View Project Proposal
  •  Tracking Aquifer Recharge using Isotope Signals and Perturbations in the Ambient Seismic Field of the Palouse Range Recharge Zone
  • By Jeff Langman
    || View Proposal

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