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The reference water levels are used on inland waterways to define a range of water levels allowing the full use of the waterway for navigation. [1] Ship passage can be limited by the water levels that are too low, when the fairway might become too shallow for large ("target", "design") ships, or too high, when it might become impossible for the target ships to pass under the bridges. [1]
Prado Dam is an earth-fill dry dam across the Santa Ana River at the Chino Hills near Corona, California in Riverside County with the resulting impounded water creating Prado Flood Control Basin reservoir.
The Calero Reservoir. The Guadalupe River watershed consists of 170 square miles (400 km 2) of land within northern California's Santa Clara County.The surface runoff from this area drains into the Guadalupe River, its tributary streams, reservoirs or other bodies of water which all eventually gets carried into the San Francisco Bay (indicated below, with surrounding counties in red).
Various decrees attempt to ensure a balance between the needs of the two counties, although high-water conditions can cause temporary disagreements. Under the Solano Decree Yolo currently holds appropriative rights for up to 150,000 acre-feet (190,000,000 m 3 ) per year from Clear Lake, and all the water from the Indian Valley dam.
At 100.6 square miles (261 km 2) in size, the Santiago Creek watershed makes up about 3.6% of the entire 2,400-square-mile (6,200 km 2) Santa Ana River watershed - but makes up about 65.7% of the 153.2 square miles (397 km 2) of Santa Ana River watershed within Orange County, and 10.6% of 948-square-mile (2,460 km 2) Orange County.
The Napa River is a river approximately 55 miles (89 km) long in the U.S. state of California. It drains a famous wine-growing region called the Napa Valley , in the mountains north of the San Francisco Bay .
Butte Creek is a tributary to the Sacramento River, joining the river in the vicinity of Colusa, California, United States. About 93 miles (150 km) in length, [ 4 ] it runs through much of Butte County, California (the county, however, receives its name from the Sutter Buttes in Sutter County, California ).
The San Joaquin River throughout most of the Delta and the lower Sacramento River below its connection to the Sacramento Deep Water Ship Channel are routinely dredged to allow the passage of large cargo ships. The Sacramento River corridor has been maintained to a depth of 7 ft (2.1 m) as early as 1899, and was deepened to 30 ft (9.1 m) in 1955.