Ashokan Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

CountyUlster
Nearest CityOlive Bridge
River/StreamESOPUS CREEK
Coordinates41.93806, -74.21917

Physical Characteristics

Dam TypeEarth
NID Height213 ft
Dam Height213 ft
Dam Length4,650 ft
Year Completed1916 (110 years old)

Storage & Hydraulics

NID Storage512,500 acre-ft
Max Storage512,500 acre-ft
Normal Storage392,498 acre-ft
Surface Area7,923 acres
Drainage Area256 sq mi
Max Discharge209,700 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerNYCDEP DAMS WEST OF THE HUDSON RIVER
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection10/21/2022
Emergency Action PlanYes

Identifiers

NID IDNY00041
Federal IDNY00041
More InfoState Dam Safety Program

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