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LOCATION--Lat 42° 17'16", long 72° 51'53",
Hampshire County, Hydrologic Unit 01080206, on left bank at
Knightville, 0.2 mi downstream from Knightville Dam, 0.2 mi
upstream from Sykes Brook, 2.4 mi upstream from Middle branch,
3.5 mi north of Huntington, and at mile 29.7.
DRAINAGE AREA--161 mi2.
PERIOD OF RECORD--Discharge: August 1909 to September 1990,
October 1995 to current year.
Water-quality records: Water year 1953.
REVISED RECORDS--WSP 415: 1909–12. WSP 1001:
1941–43. WSP 1231: 1910, 1912, 1913(M), 1914–15,
1916–19(M), 1921–23(M), 1925–27(M), 1929–33(M),
1935(M). WDR MA-RI-84-1: drainage area.
GAGE--Water-stage recorder with satellite telemeter. Concrete
control since Dec. 20, 1940. Datum of gage is 461.25 ft above National
Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps of
Engineers). Prior to Jan. 11, 1936, nonrecording gage at site 0.5 mi
upstream at different datum. Jan. 11, 1935, to May 20, 1940,
water-stage recorder at site 700 ft upstream at datum 10.57 ft higher.
May 21 to Dec. 19, 1940, nonrecording gage at site 700 ft upstream at
datum 18.75 ft higher.
REMARKS-- Flow regulated by Knightville reservoir since
1941.
COOPERATION BY--U.S. Army Corps of
Engineers
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U.S. Department of the Interior |
U.S. Geological Survey
