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Big Dan Hole Pond Dam Quick Facts

Location: Carroll, New Hampshire
Coordinates: 43.7325, -71.2102
River: Dan Hole River
Primary Purpose: Recreation
Type: Concrete
Commissioned: 1910
Dam Height: 13 ft (4 m)
Dam Length: 114 ft (35 m)
Dam Capacity: 23,050 acre-ft (28,432 Ml)
Hazard Potential: Significant
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Big Dan Hole Pond Dam Map

Big Dan Hole Pond Dam Information

Big Dan Hole Pond Dam is a concrete dam located in Ossipee, Carroll, New Hampshire.

The dam, which is on the Dan Hole River, was primarily built for Recreation purposes, but also serves for benefits.

The dam was designed by and commissioned in 1910 and is currently owned by TOWN OF OSSIPEE.

Big Dan Hole Pond Dam Structure

The Big Dan Hole Pond Dam is approximately 114 feet (35 m) long, 13 feet (4 m) high and has a structural volume of cubic yards (0 cubic metres).

Big Dan Hole Pond Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 22,392 acre-ft (27,620 Ml) and maximum capacity of 23,050 acre-ft (28,432 Ml).

The surface area of the reservoir is 443 acres (179 ha) and the total catchment area is 6 square miles (14 square kilometres).

Big Dan Hole Pond Dam Spillway

According to the latest available data, the Big Dan Hole Pond Dam does not have any spillways.

Big Dan Hole Pond Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Big Dan Hole Pond Dam
Carroll, New Hampshire
Height (ft)
13
Length (Ft)
114
Storage Volume (acre-ft)
23,050
Drainage Area (sq miles)
6
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

Big Dan Hole Pond Dam Weather

Current Conditions at Big Dan Hole Pond Dam

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7-Day Forecast for Big Dan Hole Pond Dam

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Big Dan Hole Pond Dam Frequently Asked Questions

In which state is the Big Dan Hole Pond Dam?

Big Dan Hole Pond Dam is in New Hampshire.

In which county is the Big Dan Hole Pond Dam?

Big Dan Hole Pond Dam is in Carroll County.

How high is the Big Dan Hole Pond Dam?

Big Dan Hole Pond Dam is 13 feet high.

How long is the Big Dan Hole Pond Dam?

Big Dan Hole Pond Dam is 114 feet long.

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More Dams in Carroll County:

Beaver Dam
Big Dan Hole Pond Dam
Conway Lake Dam
Crescent Lake Dam
Great East Lake Dam
Ku Ghent Ash Storage No 2 Dam
Lake Kanasatka Dam
Lake Mohawk Dam
Lake Providence Baxter Bayou Weir Dam
Leroy Hinkle Dam
Little Tallapoosa River W/S Str. #36 Dam
Lower Little Tallapoosa River W/S Str. # 86 Dam
Oakdale Dam
Ossipee Lake Dam Berry Bay
Ossipee Lake Dam Headworks Dam
Piney Run Dam
Plant Wansley Main Storage Lake Dam
Rust Pond Dam
Silver Lake Dam
Snake Creek Reservoir Dam
Stewarts Creek - Lovills Creek Dam #9
Tara 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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