Stillwater Pond Dam

Stillwater Pond Dam is a concrete dam located in Putnam County, New York, built in 1939. It carries a Low hazard potential classification.

About Stillwater Pond Dam

The primary purpose of Stillwater Pond Dam 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 Parks & Recreation Taconic (state). It impounds the Stillwater Brook.

The dam stands 42 feet tall and stretches 320 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 770 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1939, the structure is well-established, with more than 75 years of service.

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 08/18/2016.

At 42 feet, this dam is taller than 89% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyPutnam
Nearest CityNone
River/StreamStillwater Brook
Coordinates41.44000, -73.82306

Physical Characteristics

Dam TypeConcrete
NID Height42 ft
Dam Height42 ft
Dam Length320 ft
Year Completed1939 (87 years old)

Storage & Hydraulics

NID Storage770 acre-ft
Max Storage770 acre-ft
Normal Storage660 acre-ft
Surface Area55 acres
Drainage Area0 sq mi
Max Discharge1,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerNYS PARKS & RECREATION TACONIC
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection08/18/2016
Emergency Action PlanNot Required

Identifiers

NID IDNY00311
Federal IDNY00311
More InfoState Dam Safety Program

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