Los Vaqueros Dam

Los Vaqueros Dam Quick Facts

Location: Contra Costa, California
Coordinates: 37.8363, -121.7265
River: Kellogg Creek River
Primary Purpose: Water Supply
Type: Earth
Commissioned: 1997
Dam Height: 231 ft (70 m)
Dam Length: 1,280 ft (390 m)
Dam Capacity: 160,000 acre-ft (197,357 Ml)
Condition Assessment: Satisfactory
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Los Vaqueros Dam Map

Los Vaqueros Dam Information

Los Vaqueros Dam is an earthen embankment dam located about 5 miles from Byron, Brentwood, Discovery Bay, Contra Costa, California.

The dam, which is on the Kellogg Creek River, was primarily built for Water Supply purposes, but also serves for benefits.

The dam was designed by and commissioned in 1997 and is currently owned by Contra Costa Water District.

Los Vaqueros Dam Structure

The Los Vaqueros Dam is approximately 1,280 feet (390 m) long, 231 feet (70 m) high and has a structural volume of 3,800,000 cubic yards (2,905,309 cubic metres).

Los Vaqueros Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of acre-ft (0 Ml) and maximum capacity of 160,000 acre-ft (197,357 Ml).

The surface area of the reservoir is 1,836 acres (743 ha) and the total catchment area is 19 square miles (49 square kilometres).

Los Vaqueros Dam Spillway

According to the latest available data, the Los Vaqueros Dam does not have any spillways.

Los Vaqueros Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Los Vaqueros Dam
Contra Costa, California
Height (ft)
231
Length (Ft)
1,280
Storage Volume (acre-ft)
160,000
Drainage Area (sq miles)
19
Hoover Dam
Clark County, Nevada
Height (ft)
730
Length (Ft)
1,244
Storage Volume (acre-ft)
30,237,000
Drainage Area (sq miles)
167,800
Grand Coulee Dam
Okanogan County, Washington
Height (ft)
550
Length (Ft)
5,673
Storage Volume (acre-ft)
9,562,0000
Drainage Area (sq miles)
74,100
Theodore Roosevelt Dam
Maricopa County, Arizona
Height (ft)
357
Length (Ft)
1,208
Storage Volume (acre-ft)
3,411,500
Drainage Area (sq miles)
5,736
Oroville Dam
Butte County, California
Height (ft)
235
Length (Ft)
6,920
Storage Volume (acre-ft)
3,540,000
Drainage Area (sq miles)
3,611
Glen Canyon Dam
Coconino County, Arizona
Height (ft)
216
Length (Ft)
1,565
Storage Volume (acre-ft)
29,875,000
Drainage Area (sq miles)
108,355

Los Vaqueros Dam Weather

Current Conditions at Los Vaqueros Dam

Parameter Value
Current Time 17:32
Sunrise 06:44
Sunset 16:57
Temperature (°F) 54
Feels Like (°F) 53
Cloud Coverage (%) 0
Pressure (inHg) 1021
Humidity (%) 70
Wind Speed (mph) 7
Rain (mm) 0

7-Day Forecast for Los Vaqueros Dam

Day Min Temp (°F) Max Temp (°F) Feels Like (°F) Pressure (inHg) Humidity (%) Wind Speed (mph) Wind Gust (mph) Wind Dir Precip Prob (%) Precip Volume (mm) Weather
Today 47 61 56 1023 58 7 9 SW 0 - clear sky
Wed 47 65 58 1020 42 9 14 SSW 89 0 light rain
Thu 49 62 58 1017 55 11 18 SW 0 - broken clouds
Fri 45 57 53 1014 47 12 18 SW 0 - clear sky
Sat 42 58 49 1016 41 8 13 NNW 0 - clear sky
Sun 42 59 49 1018 44 5 5 SW 0 - few clouds
Mon 45 58 49 1021 52 11 18 SW 0 - broken clouds
Tue 40 58 47 1026 32 13 17 N 0 - overcast clouds

Los Vaqueros Dam Frequently Asked Questions

In which state is the Los Vaqueros Dam?

Los Vaqueros Dam is in California.

In which county is the Los Vaqueros Dam?

Los Vaqueros Dam is in Contra Costa County.

How high is the Los Vaqueros Dam?

Los Vaqueros Dam is 231 feet high.

How long is the Los Vaqueros Dam?

Los Vaqueros Dam is 1,280 feet long.

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More Dams in Contra Costa County:

Briones Dam
Clifton Court Forebay Dam
Los Vaqueros Dam
San Pablo Dam

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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