Reservoir Number Three

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Reservoir No.3 is a man-made reservoir located in north-western section of New Rochelle along the Eastchester border. Constructed in 1908, the reservoir is impounded by the New Rochelle Reservoir #3 Dam on the Hutchinson River. The dam is of earthen construction, with a height of 30 feet and a length of 450 feet. It has an area of about 30 acres, and a capacity of about 128,000,000 gallons. Maximum discharge is 1815 cubic feet per second. Its capacity is 498 acre feet. Normal storage is 220 acre feet. It drains an area of 2.85 square miles. The reservoir is owned by the Westchester County Dept Of Parks and Recreation.

This reservoir serves as a storage reservoir for the high-level system, the overflow from it passing directly to Reservoir No.2. The water from this reservoir, and from Reservoir No.2, is pumped at a pumping station located at the southern end of reservoir No. 2 into the mains of the high service system which supplies the hilly, northern portions of New Rochelle.

The upper end of the reservoir is swampy at the point where the Hutchinson River enters. Just above the upper end of the reservoir and on the east side there is a small feeder which flows into the main river and has its headwaters near the parkway 500 or 600 feet to the east of the main river. About one-half of a mile above the upper end of the reservoir the Hutchinson River Parkway crosses the river between reservoirs No. 1 and No. 3.

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