Canal dry-ups

Each fall and winter, portions of SRP's major canals north and south of the Salt River are dried up for about a month, each side separately, so construction and maintenance work can be done. During the dry-up, trash and debris are cleaned from the canals.

In some cases during dry-ups, both banks of a canal will be closed temporarily to the public to allow for required maintenance. These closures are to ensure public safety while work occurs.

Dry-up schedule

SRP performs dry-ups on a rotating 10-year schedule.

Dry-ups are performed annually on canal sections south of the Salt River annually between mid-November and mid-December and on the north side of the Salt River between early January and early February.

Southside canal dry-up schedule

  • November – December, 2020: The South Canal from McKellips Road to South of Broadway Road.

Northside canal dry-up schedule

  • Jan. 8 – Feb. 7, 2020: No dry-up activity on the Arizona Canal. The Grand Canal will be lowered and dry in some location from Priest Drive to 24th Street.

You can also view a map Document is a PDF detailing the 10-year canal dry-up plan. This map is for illustrative purposes and is subject to change without notice. For the most recent canal dry-up information, contact SRP Water Transmission at (602) 236-4956.

Recreation restrictions and safety

Recreational use of the canal banks is restricted during dry-ups. In some cases both banks of the canal will be closed to the public to allow for required SRP maintenance.

For their safety, people who use the canal banks for recreational activities should note the increased construction and maintenance activities along the canal banks during dry-ups.

Under no circumstances should residents enter the canals. Posted warning signs should be obeyed.

Why dry-ups are necessary

SRP is responsible for keeping its canal system in operating condition during normal water deliveries. Canal dry-ups allow SRP as well as other utilities and municipalities to perform construction and maintenance activities in and around the canals.

Portions of the canals are lined with a cement-like protective covering to help minimize water loss through seepage into the ground. More than half of the 131-mile system has been lined.

Local governments use the dry-up periods to do roadwork near the canals and to build or improve bridges over the canals.

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