Jackson Meadows Dam, California, USA

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Quick Facts About Jackson Meadows Dam

Location: Nevada, California
Coordinates: 39.5086, -120.556
River: Middle Yuba River
Primary Purpose: Water Supply
Type: Earth Rockfill
Commissioned: 1965
Dam Height: 196 ft (60 m)
Dam Length: 1,630 ft (497 m)
Dam Capacity: 69,200 acre-ft (85,357 Ml)
Condition Assessment: Not Available

Jackson Meadows Dam Map

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Jackson Meadows Dam Information

Jackson Meadows Dam is an earth rockfill dam located about 2 miles from Milton Res, Woolsey Flat, Nevada, California.

The dam, which is on the Middle Yuba River, was primarily built for Water Supply purposes, but also serves for Irrigation, Recreation and Hydroelectric benefits.

The dam was designed by Ebasco Services, Inc. and commissioned in 1965 and is currently owned by Nevada Irrigation District.

Jackson Meadows Dam Structure

The Jackson Meadows Dam is approximately 1,630 feet (497 m) long, 196 feet (60 m) high and has a structural volume of 1,760,000 cubic yards (1,345,617 cubic metres).

Jackson Meadows Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 53,100 acre-ft (65,498 Ml) and maximum capacity of 69,200 acre-ft (85,357 Ml).

The surface area of the reservoir is 1,710 acres (692 ha) and the total catchment area is 37 square miles (96 square kilometres).

Jackson Meadows Dam Spillway

The dam has a 90 feet (27 m) wide controlled spillway with a maximum discharge capacity of 20000 cubic feet per second (566 cubic metres per second).

Jackson Meadows Dam Compared to Four Famous American Dams

Jackson Meadows Dam
Nevada, California
Hoover Dam
Clark County, Nevada
Grand Coulee Dam
Okanogan County, Washington
Theodore Roosevelt Dam
Maricopa County, Arizona
Glen Canyon Dam
Coconino County, Arizona
Height (ft) 196 730 550 357 216
Length (Ft) 1,630 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 69,200 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 37 167,800 74,100 3,611 108,355

Jackson Meadows Dam Weather

Current Conditions at Jackson Meadows Dam

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7-Day Forecast for Jackson Meadows Dam

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Jackson Meadows Dam Frequently Asked Questions

In which state is the Jackson Meadows Dam?

Jackson Meadows Dam is in California.

In which county is the Jackson Meadows Dam?

Jackson Meadows Dam is in Nevada County.

How high is the Jackson Meadows Dam?

Jackson Meadows Dam is 196 feet high.

How long is the Jackson Meadows Dam?

Jackson Meadows Dam is 1,630 feet long.

Condition Assessment Classification

Satisfactory

No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.

Fair

No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum

Poor

A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.

Unsatisfactory

A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.

Not Rated

The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.

Not Available

Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High

Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.

Significant

Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.

Low

Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner’s property.

Undetermined

Dams for which a downstream hazard potential has not been designated or is not provided.

Not Available

Dams for which the downstream hazard potential is restricted to approved government users.

Source: National Inventory of Dams

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