Stay connected

Cap Highlights

Board Increases 2013 Property Taxes

Looming power uncertainties force CAP Board to increase tax rate.more

Cap Highlights

CAP Perspectives on the Colorado River Basin Study

CAP has been significantly involved in the Basin Study and is participating in the formulation of the work groups which will take the next steps toward finding solutions to the imbalances between future water supply and demand for Colorado River water...more

Cap Highlights

EPA Extends NGS Comment Period

On March 8, 2013 the EPA extended the public comment period on the NGS by 90 days, making the new deadline August 5.more

Cap Highlights

CAP Requests Extension to Comment Period

On February 21, 2013 General Manager David Modeer sent a letter to the EPA requesting a 90 day extension of the public comment period.more

Cap Highlights

CAP responds to Proposed EPA Decision on NGS

Today, Central Arizona Project (CAP) received the U.S. Environmental Protection Agency?s (EPA) proposed federal implementation plan for installing nitrogen oxide (NOx) emission controls for the Navajo Generating Station (NGS) located near Page, AZ. CAP is encouraged...more

Cap Highlights

Award for Research Deadline Approaches

Research papers are now being accepted for the 2013 CAP Award for Water Research. Submissions may focus on legal, economic, political, environmental, or water management issues, or other issues that might be of interest to CAP or Arizona water users.more

Cap Highlights

CAP Publishes 2012 Year in Review

CAP's 2012 Year In Review is available now and describes major issues affecting the organization last year, as well as a photo exhibition of internal and external accomplishments and activities. Email info@cap-az.com to request a hard copy.more

Cap Highlights

New U.S.-Mexico Water Agreement Impacts CAP

A new agreement to implement the 1944 treaty between the U.S. and Mexico will give CAP additional water supplies and will help defer shortages in times of drought.more

Cap Highlights

A Congressional Viewpoint

"I think getting a chance to see the whole aspect of Central Arizona Project is an absolute marvel. This is something that I think is one of the treasures of technology and the American spirit. This ought to be mandatory teachings in Arizona, to be able see it, touch it and understand what people actually really did to get this here."

-Representative Paul Gosar more

Cap Highlights

Partners in Conservation Award

On October 18, 2012 the Central Arizona Project, Arizona Department of Water Resources and other cooperating partners in the Colorado River Supply and Demand Basin Report were presented with the prestigious ?Partners in Conservation Award? by the Department of the Interior.more

Welcome to Central Arizona Project

WELCOME

welcome

Central Arizona Project is designed to bring about 1.5 million acre-feet of Colorado River water per year to Pima, Pinal and Maricopa counties. CAP carries water from Lake Havasu near Parker to the southern boundary of the San Xavier Indian Reservation southwest of Tucson. It is a 336-mile long system of aqueducts, tunnels, pumping plants and pipelines and is the largest single resource of renewable water supplies in the state of Arizona.

During the early 1900's, the seven states of the Colorado River Basin: Arizona, California, Nevada, New Mexico, Wyoming, Colorado, and Utah negotiated for shares of Colorado River water. In 1922, representatives from the seven states and the United States government created the Colorado River Compact, which divided the states into lower and upper basins and gave each basin 7.5 million acre-feet of water to apportion.

Departments