Green Swamp #2 Dam, New Jersey, USA

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Quick Facts About Green Swamp #2 Dam

Location: Passaic, New Jersey
Coordinates: 41.040033, -74.3195
River: Wanaque River
Primary Purpose: Water Supply
Type: Concrete Gravity
Commissioned: 1925
Dam Height: 65 ft (20 m)
Dam Length: 1,140 ft (347 m)
Dam Capacity: acre-ft (0 Ml)
Condition Assessment: Satisfactory

Green Swamp #2 Dam Map

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Green Swamp #2 Dam Information

Green Swamp #2 Dam is a concrete gravity dam located in Passaic County, New Jersey.

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

The dam was designed by and commissioned in 1925 and is currently owned by North Jersey District Water Supply Commission.

Green Swamp #2 Dam Structure

The Green Swamp #2 Dam is approximately 1,140 feet (347 m) long, 65 feet (20 m) high and has a structural volume of cubic yards (0 cubic metres).

Green Swamp #2 Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 79,650 acre-ft (98,247 Ml) and maximum capacity of acre-ft (0 Ml).

The surface area of the reservoir is 2,590 acres (1,048 ha) and the total catchment area is 90 square miles (234 square kilometres).

Green Swamp #2 Dam Spillway

According to the latest available data, the Green Swamp #2 Dam does not have any spillways.

Green Swamp #2 Dam Compared to Four Famous American Dams

Green Swamp #2 Dam
Passaic, New Jersey
Hoover Dam
Clark County, Nevada
Grand Coulee Dam
Okanogan County, Washington
Theodore Roosevelt Dam
Maricopa County, Arizona
Glen Canyon Dam
Coconino County, Arizona
Height (ft) 65 730 550 357 216
Length (Ft) 1,140 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 90 167,800 74,100 3,611 108,355

Green Swamp #2 Dam Weather

Current Conditions at Green Swamp #2 Dam

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7-Day Forecast for Green Swamp #2 Dam

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Green Swamp #2 Dam Frequently Asked Questions

In which state is the Green Swamp #2 Dam?

Green Swamp #2 Dam is in New Jersey.

In which county is the Green Swamp #2 Dam?

Green Swamp #2 Dam is in Passaic County.

How high is the Green Swamp #2 Dam?

Green Swamp #2 Dam is 65 feet high.

How long is the Green Swamp #2 Dam?

Green Swamp #2 Dam is 1,140 feet long.

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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