Helderberg Lake Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

CountyAlbany
Nearest CityClarksville
River/StreamTR-ONESQUETHAW CREEK
Coordinates42.59722, -74.01250

Physical Characteristics

Dam TypeConcrete
NID Height35 ft
Dam Height35 ft
Dam Length340 ft
Year Completed1944 (82 years old)

Storage & Hydraulics

NID Storage330 acre-ft
Max Storage330 acre-ft
Normal Storage172 acre-ft
Surface Area27 acres
Drainage Area2 sq mi
Max Discharge2,100 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerHELDERBERG LAKE ASSOCIATION
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection04/09/2024
Emergency Action PlanYes

Identifiers

NID IDNY00276
Federal IDNY00276
More InfoState Dam Safety Program

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