Lake Surprise Dam

Lake Surprise Dam is a concrete dam located in Putnam County, New York. It carries a Low hazard potential classification.

About Lake Surprise Dam

The primary purpose of Lake Surprise Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Surprise Lake Camp (private). It impounds the Breakneck Brook Tr-hudson.

The dam stands 10 feet tall and stretches 450 feet across, creates a reservoir covering 19 acres, and has a maximum storage capacity of 60 acre-feet.

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 08/15/2012. That was over 13 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyPutnam
Nearest CityNone
River/StreamBreakneck Brook Tr-hudson
Coordinates41.45667, -73.95500

Physical Characteristics

Dam TypeConcrete
NID Height10 ft
Dam Height10 ft
Dam Length450 ft

Storage & Hydraulics

NID Storage60 acre-ft
Max Storage60 acre-ft
Normal Storage60 acre-ft
Surface Area19 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerSURPRISE LAKE CAMP
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection08/15/2012
Emergency Action PlanYes

Identifiers

NID IDNY01183
Federal IDNY01183
More InfoState Dam Safety Program

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