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California Water Systems Inspection Trip Program
Transcript of California Water Systems Inspection Trip Program
Each year, Orange County elected officials, and business and community leaders are invited to participate on inspection trips to key water facilities throughout the state of California.
The trips are engineered to educate members of our communities about the planning, procurement, and management of Southern California's water supply, and the significant issues involved in the delivery and management of this precious resource.
State Water Project / Sacramento - San Joaquin Bay Delta (SWP)
The State Water Project (SWP) is a massive water delivery system that provides water to more than 25 million Californians and 700,000 acres of farmland in the San Francisco Bay Area, Central Valley, and Southern California. It is recognized as one of the greatest engineering feats of the 20th Century.
The Sacramento-San Joaquin Bay Delta, where the Sacramento and San Joaquin Rivers meet, is the focal point for water distribution throughout the state, serving as the hub through which water passes from north to south.
Trip Length: 2 days, 1 night
Colorado River Aqueduct (CRA)
An American engineering marvel and essential water delivery system for all of Southern California. The 242-mile conveyance system delivers water from Lake Havasu on the California/Arizona border to Lake Matthews in the foothills of the Santa Ana Mountains in Riverside County.
The CRA was the largest public works project in Southern California during the Great Depression, providing jobs for 30,000 workers before being completed in 1939. It is recognized by the American Society of Civil Engineers as one of the seven "wonders" of the engineering world.
Trip Length: 2 to 3 days
Whitsett Intake Pumping Plant is located on the California shores of Lake Havasu and is the beginning of the Colorado River Aqueduct. Whitsett Intake is the 1st of 5 aqueduct pumping plants – lifting the water 291 feet to Gene Wash Reservoir.
Lake Havasu was formed by Parker Dam, is 45 miles long, covers 39 square miles, and has usable storage of 600,000 acre-feet. It functions as a forebay and desilting basin for MWD's aqueduct intake.
Gene Pumping Plant lifts water which is then pumped to Copper Basin. Gene is the field headquarters and desert base operations for about 80 MWD employees, many of whom live with their families in Gene Village houses.
Lift: 303 feet / Elevation: from 734 to 1,037 feet
Copper Basin Reservoir is the CRA's major flow control point. The reservoir’s capacity is 24,200 acre-feet and in addition to regulating the water flow into the aqueduct, this reservoir can also remove any silt that may result from local flood flows into Lake Havasu.
Parker Dam is one of the worlds deepest dams and serves as the primary water release to the Colorado River. The plant began generating power in 1942 and about one half of its output goes to MWD for pumping aqueduct water.
Iron Mountain Pumping Plant is located 69 miles west of Intake (Whitsett). No natural storage reservoir was available so a 108 acre-foot capacity reservoir was constructed here. Due to the lower lift, the pumps only require 4,300 horse power motors.
Lift: 144 feet / Elevation: from 903 feet to 1,047 feet.
Eagle Mountain Pumping Plant is located 110 miles west of Intake (Whitsett). A 118 acre-foot capacity reservoir was constructed here.
Lift: 438 feet / Elevation: from 966 to 1,404 feet.
General George S. Patton Memorial Museum is a museum dedicated to General Patton’s life and the history of armored warfare from World War I through World War II and includes artifacts from the Iraq and Afghanistan Wars. The “Big Map” exhibit helps visitors visualize the Colorado River Aqueduct from its beginning, Lake Havasu, to its terminus, Lake Mathews in Riverside.
Hinds Pumping Plant is the 5th of 5 pumping plants on the CRA and is the highest lift on the system. From this point, no further power is required to move the water into MWD’s service area as the system moves throughout the central pool area (from Ventura County to the Mexican border) solely by gravity.
Lift: 441 feet / Elevation: 1,366 to 1,807 feet
Diamond Valley Lake (DVL) is Southern California's largest drinking water reservoir.
Water from the California State Water Project is delivered to Lake Silverwood where it travels by gravity 45 miles via the Inland Feeder to Diamond Valley Lake. The most important feature of this reservoir is that is secures 6 months emergency storage south of the San Andreas Fault.
Diamond Valley Lake (DVL)
*DVL is generally a first stop on a Colorado River Aqueduct inspection trip, or a single day trip on it's own along with the Robert A. Skinner Treatment Plant and/or the Robert B. Diemer Treatment Plant located in Yorba Linda, CA.
Hiram W. Wadsworth Pumping Plant is Metropolitan's
only pumping and hydroelectric that pumps
water and generates power. Water from the
San Diego Canal is transfered to the DVL Forebay
which serves as a regulating pond for the pumping
Robert A. Skinner water treatment plant supplies water for roughly 4 million residents. It is the prime source of drinking water for the San Diego region.
A multimillion-dollar expansion project has made Skinner one of the largest treatment plants in the United States, delivering 630 million gallons per day.
Lake Skinner capacity: 44,000 acre-feet
Henry J. Mills Treatment Plant supplies treated water, via gravity flow, throughout most of the service areas for Eastern Municipal Water District and Western Municipal Water District of Riverside County. Mills capacity is 220 million gallons per day.
Lake Mathews is a large reservoir built in the late 1930s and is the western terminus for the Colorado River Aqueduct. With one big dam and two dikes (smaller dams), the lake holds up to 182,000 acre-feet. The reservoir is fenced and closed to all public access.
Located in the City of La Verne, this plant is located on a 150-acre site that also contains MWD's Water Quality Laboratory and maintenance shops (machine shop, fabrication shop, coatings shop, etc.). One of the largest filtration plants in the United States, Weymouth delivers up to 520 million gallons of water per day and cleans enough water to fill the Rose Bowl every 45 minutes.
F.E. Weymouth Treatment Plant
*Weymouth can be a stop on a Colorado River Aqueduct inspection trip, a Diamond Valley Lake trip, or as a stop on a single day Infrastructure trip.
Located in Yorba Linda, the Robert B. Diemer Treatment Plant delivers up to 520 million gallons of treated water per day and is the only treatment plant in the MWD system that has an
on-site hydroelectric power generator. The Diemer plant provides nearly half of all of Orange County's water supply.
*Diemer can be a stop on a Colorado River Aqueduct inspection trip or a single day Diamond Valley Lake trip.
The Water Life Campus, the first LEED Platinum campus in the world, is located right below the East Dam at Diamond Valley Lake. The 15 acre campus is the home to two museums, The Center for Water Education and The Western Center for Archeology & Paleontology.
California Water Systems Inspection Trip Program
Oroville Dam is located on the Feather River and is the beginning of the State Water Project (SWP). The Dam creates Lake Oroville, generates electricity, and provides drinking and irrigation water for Central and Southern California. The lake is capable of storing more than 3.5 million acre-feet of water, stores winter and spring runoff, and provides flood control.
When Oroville Dam was constructed, several miles of spawning and nursery grounds were no longer available for salmon and steelhead trout returning to their home stream to deposit eggs. To replace spawning areas that were lost, The Feather River Fish Hatchery was constructed. After hatching, young fish are raised at the Hatchery until they are large enough to be released in the Sacramento River or Bay Delta.
Water released from Lake Oroville is used to produce electricity by Hyatt Powerplant, located in the bedrock beneath Oroville Dam. Water can either enter the Feather River or be diverted by the Thermalito Diversion Dam.
From there the water enters the Thermalito Power Canal and flows into Thermalito Forebay.
At the end of the forebay, water enters the Thermalito Afterbay and is used by the Thermalito Pumping-Generating Plant to produce electricity.
Water diverted is used to generate power by the one-
unit Thermalito Diversion Dam Powerplant.
The past, present and future of California government and legislature resides at the State Capitol. The building serves as both a museum and the state’s working seat of government. Visitors to the Capitol can experience both California’s rich history and witness the making of history through the modern lawmaking process.
The Delta is a patchwork of nearly 60 islands and tracts surround by natural and man-made channels, is home to more than 750 distinct species of plants and wildlife, and is the single most important link in California's water supply system.
Since about two-thirds of the Delta is below sea level, it relies on a maze of levees to protect land and key infrastructure from floods and daily high tides.
At the Skinner Fish Facility, an average of 15 million fish a year are diverted away from the pumps at Banks Pumping Plant and returned safely to the Delta. Rescued fish are trucked to sites many miles away from the pumps and then released.
The Delta Cross Channel (DCC) was constructed to assist in transferring fresh water from the Sacramento River across the Delta. Flow from the Sacramento River into the DCC is controlled by two radial arm gates located at the Sacramento River end of the DCC. These gates can be opened and closed depending on water quality, flood protection, and fish protection requirements.
The Harvey O. Banks Pumping Plant marks the beginning of the 444-mile California Aqueduct, the central artery of the State Water Project. Here is where Delta water begins its journey through the largest aqueduct system in the world, finally ending up in Southern California.
The plant can also pump water back to the lake to be reused for power generation at Hyatt Powerplant.
Proposed Tunnel Plan
California's biggest water challenge lies where the rivers of the Sierra Nevada merge into the vast Sacramento-San Joaquin Delta, the "hub" of the state's water system. Supplies that travel through the Delta provide drinking water for more than two thirds of the states population.
Over the years, the Delta's ecosystem has deteriorated, and its
increasingly vulnerable to failure caused by earthquakes, floods, and other forces of nature. This deterioration has led to historic restrictions in water supply deliveries.
mile levee system
Collaboration between local, state, and federal government leaders has resulted in the
a project that couples major infrastructure investments that will protect our water supply with environmental restoration efforts to protect the Delta environment.
Refinements to the proposed infrastructure continue to be made to ensure that the project is developed under the best management practices possible, and with the most current science available.
150-year old levees
Bay Delta Conservation Plan (BDCP),