Lower Greenwich Dam

Lower Greenwich Dam is a concrete dam located in Washington County, New York, built in 1925. It carries a Significant hazard potential classification.

About Lower Greenwich Dam

The primary purpose of Lower Greenwich Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Marvin Ferris (private). It impounds the Battenkill near Greenwich.

The dam stands 7 feet tall and stretches 255 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 3 acre-feet. Completed in 1925, the structure is over a century 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. The most recent inspection on record was 11/05/1970. That was over 55 years ago.

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Significant HazardNot Rated ConditionEmergency Action Plan: No

Location

StateNew York
CountyWashington
Nearest CityGreenwich
River/StreamBattenkill
Coordinates43.08639, -73.50444

Physical Characteristics

Dam TypeConcrete
NID Height7 ft
Dam Height7 ft
Dam Length255 ft
Year Completed1925 (101 years old)

Storage & Hydraulics

NID Storage3 acre-ft
Max Storage3 acre-ft
Normal Storage2 acre-ft
Surface Area1 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerMarvin Ferris
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection11/05/1970
Emergency Action PlanNo

Identifiers

NID IDNY13698
Federal IDNY13698
More InfoState Dam Safety Program

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