Columbia Corporation Dam

Columbia Corporation Dam is a concrete dam located in Columbia County, New York, built in 1940. It carries a Low hazard potential classification.

About Columbia Corporation Dam

The primary purpose of Columbia Corporation 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 Columbia Corporation (private). It impounds the Stony Kill near East Chatham.

The dam stands 15 feet tall and stretches 58 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 20 square miles. Completed in 1940, the structure is well-established, with more than 75 years of service.

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. The most recent inspection on record was 04/14/1997. That was over 28 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyColumbia
Nearest CityEast Chatham
River/StreamStony Kill
Coordinates42.40833, -73.52333

Physical Characteristics

Dam TypeConcrete
NID Height15 ft
Dam Height15 ft
Dam Length58 ft
Year Completed1940 (86 years old)

Storage & Hydraulics

NID Storage50 acre-ft
Max Storage50 acre-ft
Normal Storage35 acre-ft
Surface Area8 acres
Drainage Area20 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCOLUMBIA CORPORATION
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection04/14/1997
Emergency Action PlanNot Required

Identifiers

NID IDNY00918
Federal IDNY00918
More InfoState Dam Safety Program

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