a depth of slightly over 100 ft in the middle of the lake, equivalent to the surface of a swampy depression to its east. Mean depth is 48 ft. It typically contains 8,000 acre.ft, or 2.6 e9USgal of water.

There are no inlet brooks. A dam and spillway are located on its northwest end, with outflow draining into the New York City water supply system's West Branch Reservoir, where it joins with waters from the Delaware Aqueduct. Water in excess of New