Prado Dam, California, USA

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Quick Facts About Prado Dam

Location: Riverside, California
Coordinates: 33.889999, -117.642111
River: Santa Ana River
Primary Purpose: Flood Risk Reduction
Type: Earth
Commissioned: 1941
Dam Height: 106 ft (32 m)
Dam Length: 2,280 ft (695 m)
Dam Capacity: 295,581 acre-ft (364,593 Ml)
Condition Assessment: Not Available

Prado Dam Map

Here is a map of Prado Dam with satellite imagery. You can zoom in and out, toggle full screen mode and even enter street view directly from the map.

Prado Dam Information

Prado Dam is an earthen embankment dam located in Orange, Riverside, California.

The dam, which is on the Santa Ana River, was primarily built for Flood Risk Reduction purposes, but also serves for Recreation and Water Supply benefits.

The dam was designed by CESPL and commissioned in 1941 and is currently owned by USACE – Los Angeles District.

Prado Dam Structure

The Prado Dam is approximately 2,280 feet (695 m) long, 106 feet (32 m) high and has a structural volume of 0 cubic yards (0 cubic metres).

Prado Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 0 acre-ft (0 Ml) and maximum capacity of 295,581 acre-ft (364,593 Ml).

The surface area of the reservoir is 1 acres (0 ha) and the total catchment area is 2,255 square miles (5,840 square kilometres).

Prado Dam Spillway

The dam has a 1000 feet (305 m) wide uncontrolled spillway with a maximum discharge capacity of 181000 cubic feet per second (5125 cubic metres per second).

Prado Dam Compared to Four Famous American Dams

Prado Dam
Riverside, 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) 106 730 550 357 216
Length (Ft) 2,280 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 295,581 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 2,255 167,800 74,100 3,611 108,355

Prado Dam Weather

Current Conditions at Prado Dam

Failed to fetch current weather data.

7-Day Forecast for Prado Dam

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Prado Dam Frequently Asked Questions

In which state is the Prado Dam?

Prado Dam is in California.

In which county is the Prado Dam?

Prado Dam is in Riverside County.

How high is the Prado Dam?

Prado Dam is 106 feet high.

How long is the Prado Dam?

Prado Dam is 2,280 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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