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USGS 01104455 STONY BROOK, UNNAMED TRIBUTARY 1, NEAR WALTHAM, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42o22'21", long 71o16'15", Middlesex County, Hydrologic Unit 01090001, 20 ft downstream of culvert at ramp from southbound lane of State Highway 128, 800 ft upstream from mouth, 1.8 mi west of Waltham.
DRAINAGE AREA--0.48 mi2.
PERIOD OF RECORD--October 1997 to September 1998; October 2000 to current year.
GAGE--Data Collection Platform, water-temperature and specific conductance monitor with telephone telemeter. Datum of gage is 84.20 ft above NAVD 1988, estimated from topographic map. Datum of gage previously reported as 85 ft above NGVD 1929, estimated from topographic map. Dissolved chloride estimated from specific conductance measurements using the superposition technique described in Granato and Smith 1999.
COOPERATION BY--Cambridge Water Department

Available Parameters Available Period
  
2007-10-01  2021-10-21
1998-04-23  2021-10-21
2007-10-01  2021-10-21
2007-10-01  2021-10-21
2007-10-01  2021-10-21
2009-10-01  2021-10-21







 (7)
 

  -- or --

 


 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 15.2 10-21-2021   16:40 EDT
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 0.42 10-21-2021   16:40 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Oct 21 based on 23 water years of record more
Min
(1998)
25th
percen-
tile
Median 75th
percen-
tile
Most Recent
Instantaneous
Value Oct 21
Mean Max
(2017)
0.07 0.17 0.25 0.39 0.42 0.48 3.36


Gage height, feet

Most recent instantaneous value: 3.21 10-21-2021   16:40 EDT
Graph of  Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 1320 10-21-2021   16:40 EDT
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
 
-- Data temporarily unavailable for the time period specified --


Chloride, water, filtered, estimated by regression equation, milligrams per liter

Most recent instantaneous value: 360 10-21-2021   16:40 EDT
Graph of  Chloride, water, filtered, estimated by regression equation, milligrams per liter

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