CHASEWATER, a hamlet partly in the parish of ST-KEA, and partly in the parish of KENWYN, western division of the hundred of POWDER, county of CORNWALL, 5 miles (W. by S.) from Truro. A chapel is now being erected under the late act of parliament for building additional churches, towards defraying the expense of which the commissioners granted £3000; it will contain one thousand five hundred and four sittings, of which one thousand two hundred and two will be fr-ee. There is a place of worship for Particular Baptists. In the neighbourhood are several rich copper mines: the Chasewater mine has a. steam-engine, which, at the time of its erection in 1813, was the most powerful then constructed: the adit of this mine, in its course of twenty-five miles, receives the waters of many others. CH A 408 CH A and discharges itself into a creek in Falmouth harbour.