Neenah Dam, Wisconsin, USA

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Quick Facts About Neenah Dam

Location: Winnebago, Wisconsin
Coordinates: 44.186106, -88.4564297
River: Fox R River
Primary Purpose: Flood Risk Reduction
Type: Gravity Rockfill Earth
Commissioned: 1881
Dam Height: 15 ft (5 m)
Dam Length: 650 ft (198 m)
Dam Capacity: 1,100,000 acre-ft (1,356,828 Ml)
Condition Assessment: Satisfactory

Neenah Dam Map

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Neenah Dam Information

Neenah Dam is a gravity rockfill earth dam located in Neenah, Winnebago, Wisconsin.

The dam, which is on the Fox R River, was primarily built for Flood Risk Reduction purposes, but also serves for Recreation benefits.

The dam was designed by and commissioned in 1881 and is currently owned by Neenah Paper.

Neenah Dam Structure

The Neenah Dam is approximately 650 feet (198 m) long, 15 feet (5 m) high and has a structural volume of cubic yards (0 cubic metres).

Neenah Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 700,000 acre-ft (863,436 Ml) and maximum capacity of 1,100,000 acre-ft (1,356,828 Ml).

The surface area of the reservoir is 137,708 acres (55,728 ha) and the total catchment area is 6,124 square miles (15,861 square kilometres).

Neenah Dam Spillway

The dam spillway has a maximum discharge capacity of 24000 cubic feet per second (680 cubic metres per second).

Neenah Dam Compared to Four Famous American Dams

Neenah Dam
Winnebago, Wisconsin
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) 15 730 550 357 216
Length (Ft) 650 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 1,100,000 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 6,124 167,800 74,100 3,611 108,355

Neenah Dam Weather

Current Conditions at Neenah Dam

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7-Day Forecast for Neenah Dam

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Neenah Dam Frequently Asked Questions

In which state is the Neenah Dam?

Neenah Dam is in Wisconsin.

In which county is the Neenah Dam?

Neenah Dam is in Winnebago County.

How high is the Neenah Dam?

Neenah Dam is 15 feet high.

How long is the Neenah Dam?

Neenah Dam is 650 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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