Swan Lake Dam

High HazardPoor ConditionEmergency Action Plan: Yes

Location

CountyWestchester
Nearest CityNorth Tarrytown
River/StreamPOCANTICO RIVER
Coordinates41.11128, -73.83176

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length325 ft
Year Completed1933 (93 years old)

Storage & Hydraulics

NID Storage289 acre-ft
Max Storage289 acre-ft
Normal Storage180 acre-ft
Surface Area18 acres
Drainage Area0 sq mi
Max Discharge1,570 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerNYS PARKS & RECREATION TACONIC
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection01/12/2024
Emergency Action PlanYes

Identifiers

NID IDNY00665
Federal IDNY00665
More InfoState Dam Safety Program

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