Aziscohos Dam

Aziscohos Dam Quick Facts

Location: Oxford, Maine
Coordinates: 44.9441, -70.9976
River: Magalloway River
Primary Purpose: Hydroelectric
Type: Buttress Earth Gravity
Commissioned: 1911
Dam Height: 74 ft (23 m)
Dam Length: 880 ft (268 m)
Dam Capacity: 321,195 acre-ft (396,188 Ml)
Condition Assessment: Satisfactory
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Aziscohos Dam Map

Aziscohos Dam Information

Aziscohos Dam is a buttress earth gravity dam located about 2 miles from Wilsons Mills, Oxford, Maine.

The dam, which is on the Magalloway River, was primarily built for Hydroelectric purposes, but also serves for benefits.

The dam was designed by and commissioned in 1911 and is currently owned by .

Aziscohos Dam Structure

The Aziscohos Dam is approximately 880 feet (268 m) long, 74 feet (23 m) high and has a structural volume of cubic yards (0 cubic metres).

Aziscohos Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 220,000 acre-ft (271,366 Ml) and maximum capacity of 321,195 acre-ft (396,188 Ml).

The surface area of the reservoir is 8,320 acres (3,367 ha) and the total catchment area is 214 square miles (554 square kilometres).

Aziscohos Dam Spillway

The dam has a 236 feet (72 m) wide uncontrolled spillway with a maximum discharge capacity of 7746 cubic feet per second (219 cubic metres per second).

Aziscohos Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Aziscohos Dam
Oxford, Maine
Height (ft)
74
Length (Ft)
880
Storage Volume (acre-ft)
321,195
Drainage Area (sq miles)
214
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

Aziscohos Dam Weather

Current Conditions at Aziscohos Dam

Parameter Value
Current Time 20:44
Sunrise 07:14
Sunset 16:36
Temperature (°F) -3
Feels Like (°F) -3
Cloud Coverage (%) 52
Pressure (inHg) 1032
Humidity (%) 100
Wind Speed (mph) 2
Rain (mm) 0

7-Day Forecast for Aziscohos 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 -16 9 -4 1029 67 13 31 WSW 30 - light snow
Wed -15 8 -2 1031 71 9 12 W 0 - scattered clouds
Thu -2 16 5 1024 73 5 13 S 100 - light snow
Fri -4 19 7 1018 83 12 22 WNW 57 - light snow
Sat -9 20 12 1026 82 4 8 WSW 0 - scattered clouds
Sun 0 24 11 1015 84 17 33 W 100 - light snow
Mon 4 28 15 1009 83 13 32 SW 98 - light snow
Tue -8 23 11 995 89 17 34 WNW 100 - light snow

Aziscohos Dam Frequently Asked Questions

In which state is the Aziscohos Dam?

Aziscohos Dam is in Maine.

In which county is the Aziscohos Dam?

Aziscohos Dam is in Oxford County.

How high is the Aziscohos Dam?

Aziscohos Dam is 74 feet high.

How long is the Aziscohos Dam?

Aziscohos Dam is 880 feet long.

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More Dams in Oxford County:

Anasagunticook Dam
Aziscohos Dam
Kezar Lake Outlet Dam
Locke Mills Dam
Middle Dam
Moose Pond Storage Dam
Norway Lake Dam
Pennessewassee Stream Dam
Thompson Lake Dam
Upper Dam
Welchville 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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