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Water-Year Summary for Site 01104405

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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Available Parameters
00010 Temperature, water(Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 

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USGS Water-Year Summary 2023
01104405 HOBBS BROOK AT MILL ST NR LINCOLN, MA
LOCATION - Lat 42°26'11", long 71°16'12" referenced to North American Datum of 1927, Middlesex County, MA, Hydrologic Unit 01090001, Middlesex County, MA, Hydrologic Unit 01090001, 100 feet upstream of culvert on Mill Street, 120 feet upstream of Cambridge Reservoir, and 1.9 mi. northeast of Lincoln, Ma.
DRAINAGE AREA - 2.16 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1997 to September 1998, November 2011 to present for QW, discontinued for discharge October, 2015.
GAGE - Water-stage recorder with telephone telemeter. Elevation of gage is 175 ft above National Geodetic Vertical Datum of 1929, from topographic map.
COOPERATION - City of Cambridge, Water Department.
REMARKS - Records fair except those for estimated daily discharges, which are poor.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - October 1997 to September 1998, November 2011 to current year.
INSTRUMENTATION - Specific conductance and water temperature water-quality monitor.
REMARKS - Records for water temperature are rated as excellent. Records for specific conductance are rated as excellent, except for the following daily ranges that are rated as good: 10/02/2014 to 10/17/2014, 11/06/2014, 11/08/2014 to 04/14/2015, 04/16/2015 to 06/20/2015, 06/26/2015 to 06/29/2015, 07/02/2015 07/10/2015 to 07/11/2015, 08/04/2015, 08/11/2015, 08/21/2015 to 08/22/2015, 09/10/2015 to 09/11/2015, and 09/30/2015; and daily ranges that are rated as fair: 06/21/2015 to 06/25/2015 and 06/30/2015 to 07/01/2015. Missing water-quality records are not estimated.
EXTREMES FOR PERIOD OF DAILY RECORD - Water temperature -maximum instantaneous water temperature: 26.5 °C on July 20, 2015; minimum instantaneous water temperature: -0.4 °C on Jan. 23, 1998. Specific conductance -maximum instantaneous specific conductance: 4460 µS/cm on Dec. 9, 2013; minimum instantaneous specific conductance: 39 µS/cm on Jun. 14, 1998.