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$2.3M contract approved for Apache Junction water plant

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The first phase of a project to double the Apache Junction water district’s 2-million-gallons-a-day capacity has been approved with a $2.3 million agreement for administration and inspection services.

READ: 4 projects underway to bring water to south Apache Junction

“This is for our Superstition Area Water Plant. We’re going to be expanding that from 2 MGD to 4 MGD. So with that we are going to be installing some raw-water impounds, raw-water pumps, strainers, a new filter, several things that come as part of that,” Water District Director Michael Loggins said at the Nov. 15 meeting of the water utilities community facilities district board.

The district board — comprised of Apache Junction City Council members — voted 6-0 on Nov. 15 to approve an agreement with Carollo Engineers Inc. for phase 1 Superstition Area Water Plant expansion from 2-million gallons a day to 4-million gallons per day capacity construction administration and inspection services for a total not to exceed $2,311,271. Vice Chair Christa Rizzi was absent.

Superstition Vistas Development has entered into an agreement with Garney Construction to expand the existing water plant, Loggins said in a memo to the water district board.

“Carollo Engineers Inc. designed phase one of the expansion and the ultimate buildout of 10-million gallons per day water plant. This (professional services agreement) will allow Carollo Engineers, Inc. to do the construction administration and inspection services at a cost of $2,311,271,” he said.

Construction is to take 15 months at the Superstition Area Water Plant on South Ironwood Drive near the Central Arizona Project canal, according to the professional services agreement.

Water district

The Apache Junction water district supplies well water (groundwater) pumped from the Eastern Salt River Sub-Basin Aquifer which flows southwesterly under Apache Junction and its surrounding areas. The groundwater is treated for arsenic removal where necessary, disinfected with chlorine, pumped into storage tanks and blended with Colorado River (surface) water.

The surface water is transported through the Central Arizona Project canal system and filtered and purified at the Superstition Area Water Plant before being introduced into the distribution system.

The water district can also receive treated CAP water from the city of Mesa through an interconnect for a backup supply of water, if needed.

Apache Junction water district, water

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