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California
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0Anaheim Water Recycling Demonstration Facility
The City of Anaheim selected MWH to plan and design a new water recycling facility to demonstrate how urban developers can utilize low impact development features in any location. The Water Recycling Demonstration Facility (WRDF), which consists of a Membrane Bioreactor (MBR), ozonation and UV disinfection, illustrates how six separate water sustainable features are used […]
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0Central Valley Flood Management Planning Program
MWH successfully led the on-time completion of the first-ever, State of California Central Valley Flood Protection Plan (CVFPP). Adopted June 29, 2012, by a unanimous vote of the state’s Central Valley Flood Protection Board (Board), the 2012 CVFPP provides a comprehensive plan to modernize a flood management system that protects more than one million people […]
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Corona del Mar Water Treatment Plant
The Goleta Water District (GWD) selected MWH to design and build upgrades and modifications to the 36-mgd Corona del Mar Water Treatment Plant. The project involved upgrades and modifications to an existing 35-year-old conventional surface water treatment plant. To achieve GWD objectives, MWH implemented innovative solutions including the use of hydraulic flocculation, rapid mixing, SuperScraper® […]
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0Disinfection By-Product (DBP) Control Program
MWH was hired by the Antelope Valley – East Kern (AVEK) Water Agency in the Fall of 2003 to evaluate options for disinfection-by-product (DBP) control and design the improvements at their four surface water treatment plants (Quartz Hill – 90 mgd, Rosamond – 14 mgd, Eastside – 10 mgd, and Acton – 4 mgd). The […]
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L.L. Anderson Dam Spillway Modification
The 231-foot-high L.L. Anderson Dam (also known as the French Meadows Dam) is owned by the Placer County Water Agency (PCWA). The multi-purpose water supply and hydroelectric dam, originally constructed in 1966, diverts water from the Middle Fork American River watershed to the Rubicon River watershed to support power generation at a series of hydroelectric powerhouses, […]
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Lenihan Dam Outlet Modifications
A New Intake/Outlet to Regulate Flow MWH, in association with another consultant, provided design and engineering support during construction for a new inclined intake/outlet under the right abutment of the existing Lenihan Dam southwest of San Jose, California. This state-mandated project will provide an improved system to regulate flow through the dam to Los Gatos […]
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Seismic and Hydraulic Rehabilitation of Big Tujunga Dam
MWH provides optimized and efficient design solutions to upgrade one of California’s largest dams to protect against seismic and flood concerns
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Vineyard Surface Water Treatment Plant
MWH has designed the administration/operations building and process areas for Sacramento County Water Agency’s (SCWA) Vineyard Surface Water Treatment Plant which, established by the U.S. Green Building Council, has achieved LEED® Gold certification. LEED certification is based on a number of green design and construction features that positively impact the project and the broader community. […]
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Wastewater Utility Regionalization
After studying the potential for wastewater consolidation three times in the last twenty years, the residents of one California county had seen and considered repeated recommendations to merge its four major sewer collection systems into a single entity. With sewer pipelines reaching 100 years of age or older, the pending capital cost of rapid asset […]
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Water Treatment Plant Expansion and Treated Water Reservoir
The Water Treatment Plant Expansion and Treated Water Reservoir is one of 81 projects undertaken by the San Francisco Public Utilities Commission (SFPUC) as part of the Water System Improvement Program (WSIP). The nearly-complete $4.6 billion WSIP is one of the largest water infrastructure programs in the nation and the largest infrastructure program ever undertaken by the City and County […]