Lake Casse Dam

Lake Casse Dam is an earth dam located in Putnam County, New York, built in 1953. It carries a Significant hazard potential classification and has a poor condition assessment.

About Lake Casse Dam

The primary purpose of Lake Casse Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Carmel (local government). It impounds the Tr-croton Falls Reservoir.

The dam stands 14 feet tall and stretches 690 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 182 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1953, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 05/09/2023.

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Significant HazardPoor ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyPutnam
Nearest CityNone
River/StreamTr-croton Falls Reservoir
Coordinates41.38306, -73.71139

Physical Characteristics

Dam TypeEarth
NID Height14 ft
Dam Height14 ft
Dam Length690 ft
Year Completed1953 (73 years old)

Storage & Hydraulics

NID Storage182 acre-ft
Max Storage182 acre-ft
Normal Storage80 acre-ft
Surface Area30 acres
Drainage Area0 sq mi
Max Discharge240 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerTOWN OF CARMEL
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection05/09/2023
Emergency Action PlanYes

Identifiers

NID IDNY01156
Federal IDNY01156
More InfoState Dam Safety Program

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