Toronto Dam

Toronto Dam Quick Facts

Location: Sullivan, New York
Coordinates: 41.6212, -74.8315
River: Mongaup River
Primary Purpose: Hydroelectric
Type: Other Earth
Commissioned: 1926
Dam Height: 103 ft (31 m)
Dam Length: 1,620 ft (494 m)
Dam Capacity: 25,211 acre-ft (31,097 Ml)
Condition Assessment: Unsatisfactory
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Toronto Dam Map

Toronto Dam Information

Toronto Dam is an other earth dam located about 16 miles from Millrift, Sullivan, New York.

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

The dam was designed by Chas. T. Main, Inc. and commissioned in 1926 and is currently owned by Eagle Creek Hydro Power, LLC.

Toronto Dam Structure

The Toronto Dam is approximately 1,620 feet (494 m) long, 103 feet (31 m) high and has a structural volume of cubic yards (0 cubic metres).

Toronto Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 25,211 acre-ft (31,097 Ml) and maximum capacity of 25,211 acre-ft (31,097 Ml).

The surface area of the reservoir is 860 acres (348 ha) and the total catchment area is 23 square miles (60 square kilometres).

Toronto Dam Spillway

The dam has a 50 feet (15 m) wide uncontrolled spillway with a maximum discharge capacity of 8900 cubic feet per second (252 cubic metres per second).

Toronto Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Toronto Dam
Sullivan, New York
Height (ft)
103
Length (Ft)
1,620
Storage Volume (acre-ft)
25,211
Drainage Area (sq miles)
23
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

Toronto Dam Weather

Current Conditions at Toronto Dam

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7-Day Forecast for Toronto Dam

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Toronto Dam Frequently Asked Questions

In which state is the Toronto Dam?

Toronto Dam is in New York.

In which county is the Toronto Dam?

Toronto Dam is in Sullivan County.

How high is the Toronto Dam?

Toronto Dam is 103 feet high.

How long is the Toronto Dam?

Toronto Dam is 1,620 feet long.

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More Dams in Sullivan County:

Eastman Lake Dam
Elmwood City Lake Dam
Fort Patrick Henry Dam
Hoosier Energy Reservoir Dam
Kickapoo Lake Dam
Lake Sullivan Dam Busseron No. K-1
Neversink Reservoir Dam
Rio Dam
South Holston Dam
Sunapee Lake Dam
Swinging Bridge Dam
Toronto Dam
Wanaksink Lake Dam
Yankee 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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