Owasco Lake Outlet Dam

Owasco Lake Outlet Dam is a masonry dam located in Cayuga County, New York, built in 1972. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

Hazard potentialSignificantFailure could cause major damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planOn file
Last inspection06/20/2024
Height14 ft
Built197254 years ago

Dam profile

NID height · 14 ft
14 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

14 ft tall and 258 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.

About Owasco Lake Outlet Dam

The primary purpose of Owasco Lake Outlet Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Auburn (local government). It impounds the Owasco Outlet near Auburn.

The dam stands 14 feet tall and stretches 258 feet across, creates a reservoir covering 6,400 acres, has a maximum storage capacity of 64,233 acre-feet, and collects water from a drainage area of 207 square miles. Completed in 1972, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/20/2024.

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Location

StateNew York
CountyCayuga
Nearest CityAuburn
River/StreamOwasco Outlet
Coordinates42.91972, -76.54833

Physical Characteristics

Dam TypeMasonry
NID Height14 ft
Dam Height14 ft
Dam Length258 ft
Year Completed1972 (54 years old)

Storage & Hydraulics

NID Storage64,233 acre-ft
Max Storage64,233 acre-ft
Normal Storage17,712 acre-ft
Surface Area6,400 acres
Drainage Area207 sq mi
Max Discharge5,792 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerCity of Auburn
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/20/2024
Emergency Action PlanYes

Identifiers

NID IDNY00776
Federal IDNY00776
More InfoState Dam Safety Program