Cobleskill Lower Res Dam

Cobleskill Lower Res Dam is an earth dam located in Schoharie County, New York, built in 1886. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Cobleskill Lower Res Dam

The primary purpose of Cobleskill Lower Res 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 Village Of Cobleskill (local government). It impounds the Dow Brook near Mineral Springs.

The dam stands 20 feet tall and stretches 290 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1886, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 08/16/2023.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New York dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew York
CountySchoharie
Nearest CityMineral Springs
River/StreamDow Brook
Coordinates42.66667, -74.44306

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length290 ft
Year Completed1886 (140 years old)

Storage & Hydraulics

NID Storage300 acre-ft
Max Storage300 acre-ft
Normal Storage270 acre-ft
Surface Area30 acres
Drainage Area1 sq mi
Max Discharge480 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerVILLAGE OF COBLESKILL
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/16/2023
Emergency Action PlanYes

Identifiers

NID IDNY00657
Federal IDNY00657
More InfoState Dam Safety Program

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