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USGS 01097480 SUDBURY RIVER AT ASHLAND, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42°15’36", long 71°27’25", Middlesex County, Hydrologic Unit 01070005, on left downstream side of bridge on Front Street, 0.5 mi east of Main Street in Ashland.
DRAINAGE AREA--35.1 mi2.
PERIOD OF RECORD--Discharge: May 1994 to October 1995; October 2006 to current year.
Water-quality records: April 1994 to September 1995.
GAGE--Water-stage recorder with telephone telemeter. Elevation of gage, about 185 ft above National Geodetic Vertical Datum of 1929, from topographic map.
COOPERATION BY--Massachusetts Executive Office of Energy and Environmental Affairs

Available Parameters Available Period
  
2007-10-01  2025-11-10
2007-10-01  2025-11-10







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 35.8 11-10-2025   23:45 EST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Nov 11 based on 4 water years of record more
Min
(2008)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Nov 11		 Median Mean 75th
percen-
tile		 Max
(2007)
15.7 19 35.8 40 41 64 68.5

Gage height, feet
Most recent instantaneous value: 1.00 11-10-2025   23:45 EST
Graph of Gage height, feet

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