LOCATION.--Lat 42° 35’51", long 72°
26’19", Franklin County, Hydrologic Unit 01080202, on right bank 75 ft
downstream from bridge at Farley, 0.6 mi upstream from Mormon Hollow Brook,
2.4 mi downstream from Erving, and 5.5 mi upstream from mouth.
DRAINAGE AREA.--372 mi2.
PERIOD OF RECORD.--Discharge: August 1914 to June 1915 (twice-daily gage
heights and corresponding discharge), July 1915 to current year.
Water-quality records: Water years 1953, 1965–66, 1994.
REVISED RECORDS.--WSP 641: 1920(M). WSP 781: 1928(M), 1933(M). WSP 1301:
1915(M). WDR MA-RI-84-1: Drainage area.
GAGE.--Water-stage recorder. Elevation of gage is 380 ft above sea level,
from topographic map. Prior to June 30, 1915, nonrecording gage, June 30,
1915, to Sept. 20, 1938, water-stage recorder, and Sept. 21 to Dec. 31, 1938,
non- recording gage, at site 2.2 mi upstream at different datum. Jan. 1 to
Mar. 29, 1939, nonrecording gage, and Mar. 30, 1939, to Sept. 12, 1941,
water-stage recorder, at site 0.4 mi downstream at different datum.
REMARKS.--Records good except those for estimated daily discharge, which
are poor. Flow regulated by powerplants and by Lake Monomonac and other
reservoirs; high flow regulated by Birch Hill Reservoir 22 mi upstream since
1941 and Tully Lake since 1948. Greater regulation by powerplants prior to
1966. Telephone and gage-height telemeters at station.
COOPERATION BY.-- Massachusetts Department of Conservation and Recreation, Office of Water Resources and Department of Environmental Protection, Office of Watershed
Management.