Greenfield Water Reclamation Plant
The City of Mesa and the Towns of Gilbert and
Queen Creek jointly own the Greenfield Water
Reclamation Plant. The plant, located on Greenfield
Road north of Queen Creek Road in Gilbert, has a
present capacity of 16 million gallons per day. The
City of Mesa operates and maintains the plant for
the three municipalities. The ultimate size of the
liquid portion of the plant is 52 million gallons
per day. Mesa's ultimate ownership is planned to be
24 million gallons per day.
The plant features on-site treatment of biosolids.
The large egg-shaped digesters are part of a
state-of-the-art solids handling facility. The
current facility can handle 24 million gallons per
day of solids. The solids facility will eventually
be able to handle 64 million gallons per day. Mesa's
portion is 36 million gallons per day. Biosolids
from the Southeast Water Reclamation Plant are also
treated at this facility, so the need for Mesa's
solids capacity is greater than its liquid capacity.
The plant produces reclaimed water with an A+
quality, as defined by the Arizona State Department of
Environmental Quality. Mesa's portion of the
reclaimed water will be sent to the Gila River
Indian Community as part of a water exchange
agreement. Gilbert's portion of the water is sent to
a nearby recharge facility and/or used in the
existing reclaimed water distribution facility.
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