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ORANGE COUNTY WATER AND SANITATION
DISTRICT CONSTRUCTION PROJECT
COMPLETED UNDER BUDGET
The 2,200-foot pipeline costs
nearly $90,000 less than projected
FOUNTAIN VALLEY, Calif. –
The first construction project – a stretch of pipeline that
will transport water – of the Groundwater Replenishment (GWR)
System was recently completed under budget at a cost of $1,431,840,
representing a savings of 6% or $89,881. The budget estimate was
$1,521,721. The GWR System is a water purification project jointly
sponsored by the Orange County Water District and Orange County
Sanitation District.
The 2,200-foot, 66-inch-diameter pipeline was installed on the
west side of the Santa Ana River under the parking lot of the
Theodore Lacy Jail in Orange, Calif. between the 5 and 22 Freeways.
It was started in June and completed in December 2001. Made of
cement mortar-lined and coated steel, each section of pipe is
40 feet long and weighs 23,000 pounds. This section of pipeline
was installed early to allow the completion of the new parking
lot for the Orange County Sheriff’s Department.
Once completed, the GWR System will provide a new source of water
for northern Orange County residents beginning in 2005. The System
will take highly-treated sewer water from the Orange County Sanitation
District, currently sent to the ocean, and purify it meet drinking
water standards. Using high-tech processing, the GWR System will
treat the sewer water with 100% reverse osmosis – a purification
system used by many bottled water companies – microfiltration
and ultraviolet disinfection technologies. The result will be
a high-quality water. Some of the water will be injected underground
near the coast to keep ocean salt water from contaminating the
fresh water in the Orange County underground basin.
The remaining water will be transported through a 13-mile pipeline
to a percolation pond in northern Orange County. There the water
will be filtered again, like rain water, as it seeps into the
ground and enters Orange County’s deep aquifers to become
part of the future supply of drinking water. The groundwater basin
is the main source of water for 2.2 million residents of Orange
County.
Future construction on the GWR System includes demolition of
the existing world-famous Water Factory 21 water purification
facility in Fountain Valley; construction of a new high-tech membrane
water purification facility; drilling new injection wells and
construction of a pump station to move water up the 13-mile pipeline
to Orange County’s aquifer recharge facilities.
For more information on the Groundwater Replenishment System,
visit here....
Orange County Water District is a special
district that was created by the California State Legislature
in 1933 to maintain and manage the groundwater basin under northern
and central Orange County. OCWD’s groundwater basin supplies
75% of the water needs in Anaheim, Buena Park, Costa Mesa, Cypress,
Fountain Valley, Fullerton, Garden Grove, Huntington Beach, Irvine,
La Palma, Los Alamitos, Newport Beach, Orange, Placentia, Santa
Ana, Seal Beach, Stanton, Tustin, Villa Park, Westminster, and
Yorba Linda.
Orange County Sanitation District is the third
largest wastewater treatment system west of the Mississippi River,
serving 2.2 million residents in northern and central Orange County.
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