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* IMPORTANT: Next Generation Station Page

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. Elevation of gage is 85 ft above sea level (from topographic map). Cellular telemetry at station. 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
All 6 Available Parameters for this site
  
00010 Temperature, water 2007-10-01  2019-04-24
00060 Discharge 1998-04-23  2019-04-24
00065 Gage height 2007-10-01  2019-04-24
00095 Specific cond at 25C 2007-10-01  2019-04-24
63680 Turbidity, Form Neph 2007-10-01  2019-04-24
99404 Chloride, wf, estim 2009-10-01  2019-04-24

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 12.4 04-24-2019   12:30 EDT
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 3.28 04-24-2019   12:30 EDT
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Daily discharge, cubic feet per second -- statistics for Apr 24 based on 17 years of record more
Min
(2002)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(2005)
Most Recent
Instantaneous
Value Apr 24
0.37 0.71 0.98 1.1 1.2 2.69 3.28


Gage height, feet

Most recent instantaneous value: 3.79 04-24-2019   12:30 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: 1070 04-24-2019   12:30 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)

Most recent instantaneous value: 3.8 04-24-2019   12:15 EDT
Graph of  Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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

Most recent instantaneous value: 280 04-24-2019   12:30 EDT
Graph of  Chloride, water, filtered, estimated by regression equation, milligrams per liter

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