Dashville Dam

Dashville Dam is a concrete dam located in Ulster County, New York, built in 1922. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection09/04/2008
Height34 ft
Built1922104 years ago

Dam profile

NID height · 34 ft
34 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

34 ft tall and 370 ft long, taller than 78% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.

About Dashville Dam

The primary purpose of Dashville Dam is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Central Hudson Gas & Electric Corp. (public utility). It impounds the Wallkill River near Dashville.

The dam stands 34 feet tall and stretches 370 feet across, creates a reservoir covering 300 acres, has a maximum storage capacity of 515 acre-feet, and collects water from a drainage area of 765 square miles. Completed in 1922, the structure is over a century 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 09/04/2008. That was over 18 years ago.

At 34 feet, this dam is taller than 78% of dams nationwide.

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Location

StateNew York
CountyUlster
Nearest CityDashville
River/StreamWallkill River
Coordinates41.82167, -74.04889

Physical Characteristics

Dam TypeConcrete
NID Height34 ft
Dam Height34 ft
Dam Length370 ft
Year Completed1922 (104 years old)

Storage & Hydraulics

NID Storage515 acre-ft
Max Storage515 acre-ft
Normal Storage92 acre-ft
Surface Area300 acres
Drainage Area765 sq mi
Max Discharge31,600 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerCentral Hudson Gas & Electric Corp.
Owner TypePublic Utility
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection09/04/2008
Emergency Action PlanNot Required

Identifiers

NID IDNY00076
Federal IDNY00076
More InfoState Dam Safety Program