Hadlock Pond is a small man-made reservoir formed on a tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of Halfway Creek in the town of Fort Ann

Fort Ann (town), New York

Fort Ann is a town in Washington County, New York, United States. It is part of the Glens Falls Metropolitan Statistical Area. The town population was 6,417 at the 2000 census...

 in Washington County

Washington County, New York

Washington County is a county located in the U.S. state of New York. It is part of the Glens Falls, New York, Metropolitan Statistical Area. As of the 2010 census, the population was 63,216. It was named for the Revolutionary War general George Washington...

, New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The pond is also referred to as Sunderland Pond.

Constructed in 1896, the original dam was of earthen construction, or rock fill. It had a height of 29 feet (8.8 m), with a width of 850 feet (259.1 m). The dam was reconstructed in 2005, only to collapse months later, flooding and damaging nearby property.

The pond is presently owned by the town of Fort Ann, and is primarily used for recreational purposes. The pond has a surface area of 220 acre (0.8903092 km²).