Ylyvaal Lake Dam

Ylyvaal Lake Dam is an earth dam located in Ulster County, New York, built in 1973. It carries a Low hazard potential classification.

About Ylyvaal Lake Dam

The primary purpose of Ylyvaal Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Silvia Gould (private). It impounds the Tr-dry Brook near Arkville.

The dam stands 12 feet tall and stretches 600 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 64 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1973, the structure is well into its service life at over 50 years old.

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 12/31/2001. That was over 24 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyUlster
Nearest CityArkville
River/StreamTr-dry Brook
Coordinates42.07833, -74.56333

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length600 ft
Year Completed1973 (53 years old)

Storage & Hydraulics

NID Storage64 acre-ft
Max Storage64 acre-ft
Normal Storage23 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge295 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerSILVIA GOULD
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection12/31/2001
Emergency Action PlanNot Required

Identifiers

NID IDNY00523
Federal IDNY00523
More InfoState Dam Safety Program

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