PROVISIONAL DATA SUBJECT TO REVISION

LOCATION--Lat 42° 37’33", long 72° 51’20", Franklin County, Hydrologic Unit 01080203, on left bank 0.8 mi east of Charlemont, 2.5 mi downstream from Chickley River, and at mile 24.5.
DRAINAGE AREA--361 mi².
PERIOD OF RECORD--Discharge: June 1913 to current year.
Water-quality records: Water years 1954–55, 1958, 1967–69, 1995.
REVISED RECORDS--WSP 781: 1915(M). WSP 1301: 1918(M). WDR MA-RI-84-1: drainage area.
GAGE--Water-stage recorder. Datum of gage is 517.36 ft above National Geodetic Vertical Datum of 1929.
REMARKS--Flow regulated by Somerset Reservoir, since 1924 by Harriman Reservoir, and by several powerplants upstream. Telephone and satellite gage-height telemeter at station. Measurements of water temperature and air temperature were made during the year.
COOPERATION BY--TransCanada Power Company