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USGS 01171500 MILL RIVER AT NORTHAMPTON, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42°19'08", long 72°39'56", Hampshire County, Hydrologic Unit 01080201, on left bank, 5 ft downstream from Clement Street bridge near Northampton, and about 4 mi upstream from mouth. Prior to October 1, 2002, gage located at lat 42o19’05”, long 72o39’21”, on right bank about 2.5 mi downstream, at different datum.
DRAINAGE AREA--52.6 mi2.
PERIOD OF RECORD--Discharge: October 1938 to current year. October 1938 monthly discharge only, published in WSP 1301.
Water-quality records: Water years 1957–59, 1971, 1973, 1994, 2003–05.
REVISED RECORDS--WSP 921: 1940. WSP 1231: 1940–42(M), 1944–45(M), 1948(M), 1949;WDR MA-RI-03-1: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 169.34 ft above NAVD 1988, estimated from topographic map. Prior to May 8, 2020, datum reported as 170 ft above NGVD 1929, estimated from topographic map. Prior to Oct. 1, 2002, gage was at 140 ft elevation, at different datum, and was discontinued due to unstable channel conditions.
REMARKS--Prior to Oct. 1, 2002, flow regulated by mill upstream of original gage location.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.

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This station managed by the Northborough MA Field Office.

Available Parameters Available Period
  
1990-10-01  2021-01-21
2007-10-01  2021-01-21







 (7)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 70.1 01-21-2021   05:30 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jan 22 based on 82 water years of record more
Min
(1981)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Jan 22
Mean 75th
percen-
tile
Max
(1959)
15.0 47 69 70.1 89 93 650


Gage height, feet

Most recent instantaneous value: 6.20 01-21-2021   05:30 EST
Graph of  Gage height, feet

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