Lake Cohasset Lower Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

CountyOrange
Nearest CityArden
River/StreamARDEN BROOK
Coordinates41.27583, -74.12083

Physical Characteristics

Dam TypeConcrete
NID Height21 ft
Dam Height21 ft
Dam Length330 ft
Year Completed1924 (102 years old)

Storage & Hydraulics

NID Storage84 acre-ft
Max Storage84 acre-ft
Normal Storage65 acre-ft
Surface Area12 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerNYSOPRHP - PALISADES INTERSTATE PARK COMMISSION
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection10/04/2023
Emergency Action PlanYes

Identifiers

NID IDNY00040
Federal IDNY00040
More InfoState Dam Safety Program

Nearby Dams

Lake Cohasset Upper Dam 0.4 mi High Cranberry Lake Dam 0.9 mi Low Echo Lake Dam 1.1 mi Low Forest Lake Dam 1.6 mi Low Lake Tiorati Dam 2.1 mi High Lake Askoti Dam 2.6 mi Low Lake Skannatati Dams A B & C 2.7 mi Low Lake Stahahe Dam 2.7 mi High Summit Lake Dam 3.0 mi Low Nawahunta Dam 3.0 mi Low