Technical Advisory Committee

The TAC initiates projects that are of interest and beneficial to the water stakeholders participating in the CPWP. Examples of projects include the development and updating of the water supply and demand maps for the region, grant applications, groundwater computer modeling, coordination of funding for stream flow gages and identification/planning for the annual stakeholder field trips.

The Coconino Plateau Watershed Partnership (CPWP) Technical Advisory Committee (TAC) consists of volunteers that meet monthly either virtually or in person prior to the CPWP meetings. Meetings of the TAC are open to anyone with interest in the hydrology/geology of the area of interest.

Don Bills

Don Bills


Water Studies

Important to meeting future water needs on the coconino plateau

Coconino and Redwall-Muav Aquifer Modeling Project

State of Arizona, The Impacts of Septic Systems on Water Quality of Shallow Perched Aquifers: A Case Study of Fort Valley, Arizona

Interim Report – North Central Arizona Water Supply Feasibility Study

Simulation of Groundwater Withdrawal Scenarios for the Redwall-Muav and Coconino Aquifer Systems of Northern and Central Arizona

USGS Report on Hydrogeology of the Coconino Plateau

Generalized Hydrogeology and Ground-Water Budget for the C Aquifer, Little Colorado River Basin and Parts of the Verde and Salt River Basins, Arizona and New Mexico

Geologic, Hydrologic, and Chemical Data from the C Aquifer near Leupp, Arizona

Regional Groundwater-Flow Model of the Redwall-Muav, Coconino, and Alluvial Basin Aquifer Systems of Northern and Central Arizona

Coconino Plateau At-Risk Waters Project Final Report

Morrison Institute/ASU – Growth on the Coconino Plateau

Water Source & Demands Maps

Water Demands Map

Groundwater Supply Map

Surface Water Supply Map

Uranium Mines and Tusayan Field Trip

technical advisory committee

reference materials & reports (PDF)


The train is scheduled to leave the Clarkdale station at 1:00 PM, boards at 12:45, and we are asked to be at the station by noon. Snacks will be served on the train. We will be meet at Buffalo Park in Flagstaff at 10:00 AM and travel by van to Clarkdale. The train returns to the station at 4:45 PM and we expect to be back in Flagstaff by 7:00 PM. Please make arrangements with Ron Doba if you wish to drive to the Clarkdale station on your own (

Click on the following link to register and pay by credit card. A registration must be filled out for each person attending. If you do not wish to pay by credit card, please make arrangements with Ron Doba.