Folsom Lake

CALIFORNIA


Lake Level
417.33 FEET
8/17/2022
Full Pool: 466.0
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Folsom Lake News

Don’t Let Alcohol Crash America’s Birthday Celebration On the Water

BoatUS News

Date: 6/27/2022

ANNAPOLIS, Md. – More recreational boaters than ever are expected to hit the water over Fourth of July weekend, and for some it will be their first spent aboard a boat during this uniquely American holiday. While many vessels will have alcoholic beverages aboard, alcohol use is the leading known contributing

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OFFSHORE MARINE NOW MARKETING AMSOIL Synthetic Lubricants

William Desmond Jr.

Date: 6/14/2022

The popular business, Offshore Marine & Outdoors, located at 8365 Kowoligia Road (On Hwy 63), Eclectic, AL 36026, PH: 334-857-2954, now has the #1 synthetic lubricant brand in stock. Popular with Boaters is the Gear Lube for the bottom end of a motor and oil for Seadoo's, And for you four-strokers, the AMSOIL

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Will Hurricane Season Be Starting Earlier?

BoatUS News

Date: 5/16/2022

No, you’re not going crazy. The current six-month Atlantic Hurricane Season, set in 1965, begins June 1 and runs through November 30. But if you have a recreational boat on the Eastern Seaboard or Gulf, you’ve likely noticed that the last seven annual hurricane seasons have experienced some type of

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BoatUS Consumer Alert: Be Wary of Any Letter Arriving by U.S. Mail Offering U.S. Coast Guard Documentation Renewal

BoatUS News

Date: 5/12/2022

Official-looking vessel documentation renewal notices can lead to confusion and higher costs Boat Owners Association of The United States (BoatUS) is advising boaters with vessels that have a U.S. Coast Guard Certificate of Documentation to be wary of any letter arriving by U.S. mail offering renewal. BoatUS advises

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How to Spray Gelcoat On A Boat Using a Preval Sprayer

BoatUS News

Date: 5/12/2022

Have a large area of gelcoat that needs to be repaired on your boat? Spraying gelcoat may be the best method for applying it. BoatUS Magazine contributing editor Mark Corke shows you how to prepare the area on your boat that you want to repair, how to mix up the gelcoat, apply it with a disposable sprayer, and finish

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• Surface Area: 11,450 Acres
Folsom Lake is a reservoir on the American River in the Sierra Nevada foothills of California, United States. It is located within Placer, El Dorado, and Sacramento counties. It is about 25 miles northeast of Sacramento. The lake surface area is 11,500 acres its elevation is 466 feet and it has 75 miles of undulated shoreline. Folsom Lake and the surrounding Folsom Lake State Recreation Area is one of the most visited parks in the California Park system.

The Folsom Lake reservoir is formed by Folsom Dam, built in 1955 to control and retain the American River. The dam and reservoir are part of the Folsom Project, which also includes the Nimbus afterbay reservoir and dam facilities. The Folsom Project, operated by the United States Bureau of Reclamation, is part of the Central Valley Project, a multipurpose project that provides flood control, hydroelectricity, drinking water, and water for irrigation.

When the dam was built, it was designed to hold 976,000 acre feet with a surface area of 11,450 acres. The dam is 1,400 feet wide and 340 feet high. It is a concrete structure with approximately 9 miles of earth fill wing dams and dikes supporting its surrounding areas.

Folsom Lake during the 2011–2017 California drought.

During the drought of late 2013, part of the 2012–14 North American drought, the town known as Mormon Island reappeared 58 years after being submerged under Folsom Lake, with stone walls from some of the outlying areas being revealed by the shrinking lake.

California buckeye, blue oak, valley oak, digger pines, black oaks and occasionally oracle oaks populate the area surrounding the lake. A variety of wildflowers thrive in the Spring, Indian paintbrush, California poppy, larkspur, lupine, bordicaea, fiddleneck, Dutchman's pipe and monkey flower can be seen throughout the SRA.

A number of mammals inhabit the lake area including, coyotes, gray foxes, rabbits, skunks, raccoon, ground squirrels, black-tailed deer, opossums, and on occasion mountain lions, bobcats, and black bears have been sighted.

A number of birds call Folsom Lake home year round, bushtits, quails, wrens, scrub jays, black birds and towhees. Near the water visitors often see kingfishers, red-tailed hawks, eagles, kestlers, gulls and other raptors looking for a meal.

For eight months of the year, October 1 through May 31, the dam and lake is utilized to prevent flooding on the lower end of the American River. The Sacramento basin is notorious for flooding and the dam helps relieve winter storm runoff and snow melt from the Sierra.

It is a major component of the American River Watershed. During the summer months, water is released to prevent salt water intrusion in the San Joaquin Delta. These releases maintain water quality and keep ideal water temperatures for anadromous fish species such as Chinook salmon, steelhead and American shad. Several of these species are of primary concern due to their decline in numbers and spawning habitat destruction.

Water in Lake Folsom is also utilized for drinking water and power generation throughout the year. As a reservoir, the water levels in the lake fluctuate between 440 feet in the early summer and 405 feet in the early winter. In drought years, the water levels can be drawn below 400 feet in elevation. Some of the factors that affect these levels include precipitation, downstream flows and fishery needs.
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