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USGS 01104460 STONY BROOK AT RT 20 AT WALTHAM, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42o22'08", long 71o16'16", Middlesex County, Hydrologic Unit 01090001, 200 ft downstream of State Highway 20, 1,000 ft upstream from Stony Brook Reservoir, and 1.8 mi west of Waltham.
DRAINAGE AREA--22.0 mi2.
PERIOD OF RECORD--October 1997 to September 1998; August 2002 to current year.
GAGE--Data Collection Platform, water-temperature, specific conductance, pH, and turbidity water-quality monitor. Elevation of gage is 90 ft above sea level (from topographic map). Telephone telemeter at station.
REMARKS--Flow affected by regulation of dam 2.6 mi upstream on Hobbs Brook at outflow of Cambridge Reservoir.
COOPERATION BY--Cambridge Water Department

Available Parameters Available Period
  
2007-10-01  2020-04-03
2007-10-01  2020-04-03
2007-10-01  2020-04-03
2007-10-01  2020-04-03
2009-10-28  2020-04-03







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Temperature, water, degrees Celsius

Most recent instantaneous value: 7.4 04-03-2020   13:40 EDT
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 549 04-03-2020   13:40 EDT
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