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DESCRIPTION:

Latitude 42°22'21",   Longitude 71°16'15"   NAD27

Middlesex County, Massachusetts, Hydrologic Unit 01090001

Drainage area: 0.48 square miles

Datum of gage: 84.20 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2010-10-01	2024-11-21
Daily Data
Temperature, water, degrees Celsius	2002-09-30	2024-11-20	21666
Discharge, cubic feet per second	1997-10-01	2024-11-20	9354
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-09-30	2024-11-20	21077
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2007-04-22	2024-11-20	13975
Daily Statistics
Temperature, water, degrees Celsius	2002-09-30	2020-03-04	6145
Discharge, cubic feet per second	1997-10-01	2024-10-02	9305
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-09-30	2020-03-04	5982
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2007-04-22	2019-04-21	3584
Monthly Statistics
Temperature, water, degrees Celsius	2002-09	2020-03
Discharge, cubic feet per second	1997-10	2024-10
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-09	2020-03
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2007-04	2019-04
Annual Statistics
Temperature, water, degrees Celsius	2002	2020
Discharge, cubic feet per second	1998	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002	2020
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2007	2019
Peak streamflow	2001-06-17	2023-08-08	22
Field measurements	1997-10-22	2024-10-03	198
Field/Lab water-quality samples	1997-10-22	2024-02-26	283
Water-Year Summary	2005	2024	16
Revisions	Loading...

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