A dry winter across Arizona is taking a visible toll on the Salt River Project’s reservoir system and forcing water managers to adjust how they supply the Valley.
From the air, the signs are hard to miss. Along the edges of Roosevelt Lake, the largest reservoir in the SRP system, a clear “bathtub ring” marks where water levels used to be. The lake is now sitting just below 50% capacity after consecutive dry years.
SRP manages a system of dams and reservoirs that delivers water to more than 2.5 million people in metro Phoenix. But with below-average snowfall this winter, less water is flowing into those reservoirs…