A Memoir of the Construction, Cost, and Capacity of the Croton Aqueduct
such a height of water ; and the overfall was not of a capacity, although 90 feet in
length, to discharge the water which the flood brought down. There is a small waste gate in the dam of five by six feet, but hardly intended to relieve the river when in flood.
The water in part escaped through the aqueduct passing over the gates, and discharging itself, at a waste weir, near Mill River, a distance of nearly 15 miles, without any injury
to the aqueduct. It is obvious, that greater provision must be made to allow this stream to pass in its natural channel in time of freshets.
injury to our works, the freshet has left remaining no bridge " In addition to the above
over the Croton River on its whole length, either above or below the dam. " There were three bridges below, one called Tompkins' Bridge, valued at 1400 dollars, the bridge at the Wire Mill, cost 1200 dollars, and the Quaker Bridge over which Tompkins Bridge was the New York and Albany stages pass, valued at 1500 dollars. carried away before the dam went, as were also it is believed, the other two bridges. about one Brayton, the son of one of the dam contractors, perceiving " Mr. Albert
o'clock, the danger to the people below the dam on the opposite side, by the continued rise of the water at the dam, and believing that must give way, with praiseworthy it
attention and foresight, hurried down to give the alarm, and when he arrived at Tompkins'