Lake Oniad Dam

Lake Oniad Dam is a concrete dam located in Dutchess County, New York. It carries a Low hazard potential classification.

About Lake Oniad Dam

The primary purpose of Lake Oniad Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Oniad Lot Owners Association (private). It impounds the Tr-wappinger Creek near Wappingers Falls.

The dam stands 8 feet tall and stretches 20 feet across, creates a reservoir covering 13 acres, and has a maximum storage capacity of 59 acre-feet.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 03/29/2013. That was over 13 years ago.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyDutchess
Nearest CityWappingers Falls
River/StreamTr-wappinger Creek
Coordinates41.59000, -73.88167

Physical Characteristics

Dam TypeConcrete
NID Height8 ft
Dam Height8 ft
Dam Length20 ft

Storage & Hydraulics

NID Storage59 acre-ft
Max Storage59 acre-ft
Normal Storage46 acre-ft
Surface Area13 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerLAKE ONIAD LOT OWNERS ASSOCIATION
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection03/29/2013
Emergency Action PlanNot Required

Identifiers

NID IDNY01177
Federal IDNY01177
More InfoState Dam Safety Program

Nearby Dams