Pinto Dam

Pinto Dam Quick Facts

Location: Grant, Washington
Coordinates: 47.4471, -119.2495
River: Crab Creek-Offstream River
Primary Purpose: Flood Risk Reduction
Type: Earth
Commissioned: 1948
Dam Height: 111 ft (34 m)
Dam Length: 1,900 ft (579 m)
Dam Capacity: 76,500 acre-ft (94,361 Ml)
Condition Assessment: Not Available
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Pinto Dam Map

Pinto Dam Information

Pinto Dam is an earthen embankment dam located about 2 miles from Stratford, Grant, Washington.

The dam, which is on the Crab Creek-Offstream River, was primarily built for Flood Risk Reduction purposes, but also serves for Irrigation and Recreation benefits.

The dam was designed by DOI WPRS and commissioned in 1948 and is currently owned by US Bureau of Reclamation.

Pinto Dam Structure

The Pinto Dam is approximately 1,900 feet (579 m) long, 111 feet (34 m) high and has a structural volume of 1,462,000 cubic yards (1,117,779 cubic metres).

Pinto Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 64,200 acre-ft (79,189 Ml) and maximum capacity of 76,500 acre-ft (94,361 Ml).

The surface area of the reservoir is 1,010 acres (409 ha) and the total catchment area is 186 square miles (482 square kilometres).

Pinto Dam Spillway

The dam spillway has a maximum discharge capacity of 15800 cubic feet per second (447 cubic metres per second).

Pinto Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Pinto Dam
Grant, Washington
Height (ft)
111
Length (Ft)
1,900
Storage Volume (acre-ft)
76,500
Drainage Area (sq miles)
186
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

Pinto Dam Weather

Current Conditions at Pinto Dam

Parameter Value
Current Time 19:09
Sunrise 06:49
Sunset 16:32
Temperature (°F) 36
Feels Like (°F) 33
Cloud Coverage (%) 0
Pressure (inHg) 1028
Humidity (%) 61
Wind Speed (mph) 4
Rain (mm) 0

7-Day Forecast for Pinto 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 33 47 41 1030 43 6 7 S 0 - clear sky
Thu 33 48 42 1028 40 7 10 ENE 0 - clear sky
Fri 34 50 44 1023 41 6 5 NNE 0 - overcast clouds
Sat 39 51 46 1013 50 6 8 NNE 0 - overcast clouds
Sun 42 51 41 1011 84 13 21 S 90 1 light rain
Mon 38 47 39 1003 95 15 26 S 100 9 moderate rain
Tue 35 48 43 1013 60 7 6 SSW 0 - few clouds
Wed 33 44 36 1024 77 8 15 NNE 0 - overcast clouds

Pinto Dam Frequently Asked Questions

In which state is the Pinto Dam?

Pinto Dam is in Washington.

In which county is the Pinto Dam?

Pinto Dam is in Grant County.

How high is the Pinto Dam?

Pinto Dam is 111 feet high.

How long is the Pinto Dam?

Pinto Dam is 1,900 feet long.

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More Dams in Grant County:

Barrett Lake Dam
Chino Mines Tailings Dam No. 7
Dry Falls Dam
Heart Butte Dam
Iatt Lake Dam
Moses Lake North Dam
Moses Lake South Dam
Mt. Storm Lake Dam
Nantachie Lake Dam
Nantachie Lake Dam No. 2
North Dam
Osullivan Dam
Patterson Creek No. 41 Dam
Pinto Dam
Pomme De Terre Dam
Priest Rapids Dam
Soda Lake Dike
Williamstown Lake 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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