Robinson Reservoir Dam

Robinson Reservoir Dam is an earth dam located in Hamilton County, New York, built in 1918. It carries a Significant hazard potential classification and has a poor condition assessment.

About Robinson Reservoir Dam

The primary purpose of Robinson Reservoir Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Beecher Park Association (private). It impounds the Long Lake Offstream near Long Lake.

The dam stands 14 feet tall and stretches 150 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 84 acre-feet. Completed in 1918, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/21/2024.

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Significant HazardPoor ConditionEmergency Action Plan: No

Location

StateNew York
CountyHamilton
Nearest CityLong Lake
River/StreamLong Lake Offstream
Coordinates43.97861, -74.44194

Physical Characteristics

Dam TypeEarth
NID Height14 ft
Dam Height14 ft
Dam Length150 ft
Year Completed1918 (108 years old)

Storage & Hydraulics

NID Storage84 acre-ft
Max Storage84 acre-ft
Normal Storage66 acre-ft
Surface Area12 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerBEECHER PARK ASSOCIATION
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection06/21/2024
Emergency Action PlanNo

Identifiers

NID IDNY00255
Federal IDNY00255
More InfoState Dam Safety Program

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