
Throw Back Thursday: Then and Now
Thirty-five years ago, on May 22, 1985, CAP made its first delivery of Colorado River water to Harquahala Valley Irrigation District, just west of Phoenix.

Thirty-five years ago, on May 22, 1985, CAP made its first delivery of Colorado River water to Harquahala Valley Irrigation District, just west of Phoenix.

The first water delivery in the CAP system was May 1985; however, the entire system wasn’t yet constructed. In fact, this original photo was taken

CAP’s 336-mile aqueduct crosses the state, traveling through mountains and under riverbeds. This critical infrastructure may be out of sight for most Arizona residents, but

Whether it’s as complex as a pumping plant or as basic as a weed rake, each piece of infrastructure in the CAP system is critical

CAP is proud to reliably deliver Colorado River water every day. But we are equally proud of our collaborative efforts to protect the health of

Colorado River water was first delivered through the CAP aqueduct system in 1985, and since then, this engineering marvel has reliably delivered that water to

The Central Arizona Groundwater Replenishment District (CAGRD) is a special function of CAP that plays a crucial role in Arizona’s water management by replenishing groundwater

Salt Gila Pumping Plant is the sixth pumping plant on the CAP system and is located in the east valley. It has 10 pumps, with

Mark Wilmer Pumping Plant, the first pumping plant on the CAP system, lifts water approximately 800 feet into the seven-mile long Buckskin Mountain Tunnel. The