Lower Reservoir Dam

Lower Reservoir Dam is an earth dam located in Otsego County, New York. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Lower Reservoir Dam

The primary purpose of Lower Reservoir 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 City Of Oneonta (local government). It impounds the Oneonta Creek near Oneonta.

The dam stands 20 feet tall and stretches 200 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 50 acre-feet.

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 01/10/2023.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyOtsego
Nearest CityOneonta
River/StreamOneonta Creek
Coordinates42.47917, -75.04806

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length200 ft

Storage & Hydraulics

NID Storage50 acre-ft
Max Storage50 acre-ft
Normal Storage30 acre-ft
Surface Area5 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCITY OF ONEONTA
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection01/10/2023
Emergency Action PlanYes

Identifiers

NID IDNY01613
Federal IDNY01613
More InfoState Dam Safety Program

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