Camp Siwanoy Dam

Camp Siwanoy Dam is an earth dam located in Dutchess County, New York, built in 1926. It carries a Low hazard potential classification.

About Camp Siwanoy Dam

The primary purpose of Camp Siwanoy Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Boy Scouts Of America (private). It impounds the Deuel Hollow Brook near Gaylordsville Conn.

The dam stands 20 feet tall and stretches 260 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1926, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/23/2009. That was over 16 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyDutchess
Nearest CityGaylordsville Conn
River/StreamDeuel Hollow Brook
Coordinates41.63000, -73.52667

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length260 ft
Year Completed1926 (100 years old)

Storage & Hydraulics

NID Storage52 acre-ft
Max Storage52 acre-ft
Normal Storage37 acre-ft
Surface Area4 acres
Drainage Area4 sq mi
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerBOY SCOUTS OF AMERICA
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection07/23/2009
Emergency Action PlanYes

Identifiers

NID IDNY01237
Federal IDNY01237
More InfoState Dam Safety Program

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