Eagle Harbor Waste Weir Dam

Eagle Harbor Waste Weir Dam is a concrete dam located in Orleans County, New York, built in 1918. It carries a High hazard potential classification.

About Eagle Harbor Waste Weir Dam

The primary purpose of Eagle Harbor Waste Weir Dam is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by New York State Canal Corporation (state). It impounds the Otter Creek near Eagle Harbor.

The dam stands 18 feet tall and stretches 120 feet across, creates a reservoir covering 890 acres, has a maximum storage capacity of 10,488 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1918, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 03/04/2024.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New York dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyOrleans
Nearest CityEagle Harbor
River/StreamOtter Creek
Coordinates43.25353, -78.24714

Physical Characteristics

Dam TypeConcrete
NID Height18 ft
Dam Height18 ft
Dam Length120 ft
Year Completed1918 (108 years old)

Storage & Hydraulics

NID Storage10,488 acre-ft
Max Storage10,488 acre-ft
Normal Storage8,640 acre-ft
Surface Area890 acres
Drainage Area1 sq mi
Max Discharge905 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeNavigation
OwnerNew York State Canal Corporation
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection03/04/2024
Emergency Action PlanYes

Identifiers

NID IDNY17191
Federal IDNY17191
More InfoState Dam Safety Program

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