Nys Atomic Development Dam #2

Nys Atomic Development Dam #2 is an earth dam located in Cattaraugus County, New York, built in 1963. It carries a Low hazard potential classification.

About Nys Atomic Development Dam #2

The primary purpose of Nys Atomic Development Dam #2 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Nys Energy Research & Development Authority (state). It impounds the Tr-buttermilk Creek near West Valley.

The dam stands 45 feet tall and stretches 360 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 98 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1963, 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 06/15/2022.

At 45 feet, this dam is taller than 91% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyCattaraugus
Nearest CityWest Valley
River/StreamTr-buttermilk Creek
Coordinates42.43833, -78.64333

Physical Characteristics

Dam TypeEarth
NID Height45 ft
Dam Height45 ft
Dam Length360 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage98 acre-ft
Max Storage98 acre-ft
Normal Storage79 acre-ft
Surface Area15 acres
Drainage Area3 sq mi
Max Discharge500 cfs
Spillway TypeControlled

Ownership & Safety

PurposeWater Supply
OwnerNYS ENERGY RESEARCH & DEVELOPMENT AUTHORITY
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection06/15/2022
Emergency Action PlanNot Required

Identifiers

NID IDNY00838
Federal IDNY00838
More InfoState Dam Safety Program

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