Antero Dam

Antero Dam Quick Facts

Location: Park, Colorado
Coordinates: 38.988337, -105.895576
River: S. Fork S. Platte River
Primary Purpose: Water Supply
Type: Earth
Commissioned: 1909
Dam Height: 39 ft (12 m)
Dam Length: 4,190 ft (1,277 m)
Dam Capacity: 92,651 acre-ft (114,283 Ml)
Condition Assessment: Satisfactory
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Antero Dam Map

Antero Dam Information

Antero Dam is an earthen embankment dam located about 5 miles from Hartsel, Park, Colorado.

The dam, which is on the S. Fork S. Platte River, was primarily built for Water Supply purposes, but also serves for Recreation benefits.

The dam was designed by and commissioned in 1909 and is currently owned by DENVER BOARD OF WATER COMMISSIONERS.

Antero Dam Structure

The Antero Dam is approximately 4,190 feet (1,277 m) long, 39 feet (12 m) high and has a structural volume of 20,102 cubic yards (15,369 cubic metres).

Antero Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 44,733 acre-ft (55,177 Ml) and maximum capacity of 92,651 acre-ft (114,283 Ml).

The surface area of the reservoir is 3,446 acres (1,395 ha) and the total catchment area is 200 square miles (518 square kilometres).

Antero Dam Spillway

The dam has a 1070 feet (326 m) wide uncontrolled spillway with a maximum discharge capacity of 45000 cubic feet per second (1274 cubic metres per second).

Antero Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Antero Dam
Park, Colorado
Height (ft)
39
Length (Ft)
4,190
Storage Volume (acre-ft)
92,651
Drainage Area (sq miles)
200
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

Antero Dam Weather

Current Conditions at Antero Dam

Parameter Value
Current Time 22:08
Sunrise 07:13
Sunset 18:24
Temperature (°F) 44
Feels Like (°F) 41
Cloud Coverage (%) 25
Pressure (inHg) 1027
Humidity (%) 57
Wind Speed (mph) 5
Rain (mm) 0

7-Day Forecast for Antero 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 39 61 56 1021 29 15 19 SSE 0 - clear sky
Wed 36 61 55 1017 33 21 19 SW 20 0 light rain
Thu 33 55 48 1009 45 21 25 SSW 0 - overcast clouds
Fri 32 54 48 1004 38 24 35 SSW 20 0 light rain
Sat 17 40 32 1018 98 12 22 ESE 100 - snow
Sun 9 36 26 1018 78 9 18 WSW 0 - scattered clouds
Mon 17 44 39 1022 90 6 6 W 0 - clear sky
Tue 27 54 45 1022 63 5 7 W 0 - clear sky

Antero Dam Frequently Asked Questions

In which state is the Antero Dam?

Antero Dam is in Colorado.

In which county is the Antero Dam?

Antero Dam is in Park County.

How high is the Antero Dam?

Antero Dam is 39 feet high.

How long is the Antero Dam?

Antero Dam is 4,190 feet long.

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More Dams in Park County:

Antero Dam
Buffalo Bill Dam
Eleven Mile Canyon Dam
Greybull Valley (1st Enl.) Dam
Lake Mineral Wells Dam
Lake Weatherford Dam
Little Raccoon Dam No. 12
Little Raccoon Dam No. 12b
Lower Sunshine Dam
Montgomery Dam
Robinson Tailings Pond #2 Dam
Spinney Mountain Dam
Upper Sunshine 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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