Halfway Brook Reservoir Dam

Halfway Brook Reservoir Dam is an earth dam located in Warren County, New York, built in 1936. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Halfway Brook Reservoir Dam

The primary purpose of Halfway Brook 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 Glens Falls (local government). It impounds the Halfway Creek near Glens Falls.

The dam stands 28 feet tall and stretches 410 feet across, creates a reservoir covering 31 acres, has a maximum storage capacity of 289 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1936, the structure is well-established, with more than 75 years of service.

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 08/25/2021.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyWarren
Nearest CityGlens Falls
River/StreamHalfway Creek
Coordinates43.31694, -73.68000

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length410 ft
Year Completed1936 (90 years old)

Storage & Hydraulics

NID Storage289 acre-ft
Max Storage289 acre-ft
Normal Storage218 acre-ft
Surface Area31 acres
Drainage Area5 sq mi
Max Discharge3,670 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCITY OF GLENS FALLS
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection08/25/2021
Emergency Action PlanYes

Identifiers

NID IDNY00264
Federal IDNY00264
More InfoState Dam Safety Program

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