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Water-Year Summary for Site 01104475

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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
01104475 STONY BROOK RESERVOIR, UNNAMED TRIBUTARY 1, NEAR WESTON, MA
LOCATION - Lat 42°21'16", long 71°16'07" referenced to North American Datum of 1927, Middlesex County, MA, Hydrologic Unit 01090001, at bridge on Summer Street, 500 ft upstream from Stony Brook Reservoir, and 1.9 mi southeast of Weston.
DRAINAGE AREA - 0.85 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 2003 to current year.
GAGE - Data Collection Platform with telephone telemeter. Datum of gage is 99.20 ft above NAVD 1988, estimated from topographic map. Datum of gage previously reported as 100 ft above NGVD 1929, estimated from topographic map.
COOPERATION - Cambridge Water Department.
REMARKS - Records fair except those for estimated daily discharge, which are poor.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: December 2003 to current year. WATER TEMPERATURE: December 2003 to current year.
REMARKS -

2019 WATER-YEAR SUMMARY (min/max info):

WATER TEMPERATURE: Maximum instantaneous water temperature: 25.0 °C on Aug. 08, 2019; Minimum instantaneous water temperature: 0.0 °C on Jan. 20, 2019.
SPECIFIC CONDUCTANCE: Maximum instantaneous specific conductance: 2,440 µS/cm on Feb. 13, 2019; Minimum instantaneous specific conductance: 43 µS/cm on Sept. 02, 2019.

2018 WATER-YEAR SUMMARY (min/max info):

WATER TEMPERATURE: Maximum instantaneous water temperature: 24.2 °C on Sept. 06, 2018; Minimum instantaneous water temperature: 0.0 °C on Dec. 25, 2017.
SPECIFIC CONDUCTANCE: Maximum instantaneous specific conductance: 2,580 µS/cm on Dec. 10, 2017; Minimum instantaneous specific conductance: 57 µS/cm on Aug. 11, 2018.

2017 WATER-YEAR SUMMARY (min/max info):
WATER TEMPERATURE: Maximum instantaneous water temperature: 22.5 °C on Aug. 23, 2017; Minimum instantaneous water temperature: 0.0 °C on Dec. 16, 2016.
SPECIFIC CONDUCTANCE: Maximum instantaneous specific conductance: 3,530 µS/cm on Dec. 12, 2016; Minimum instantaneous specific conductance: 51 µS/cm on Sept. 07, 2017.

EXTREMES FOR 2016 WATER-YEAR (min/max info): WATER TEMPERATURE: Maximum instantaneous water temperature: 22.2 °C on Aug. 12, 2016; Minimum instantaneous water temperature: 0.0 °C on Feb. 13, 14, 15, 2016. SPECIFIC CONDUCTANCE: Maximum instantaneous specific conductance: 1,680 µS/cm on Dec. 29, 2015; Minimum instantaneous specific conductance: 75 µS/cm on Oct. 01, 2015. Records for water temperature are rated as excellent. Records for specific conductance are rated excellent, except for the following daily ranges: 2015/10/15 to 2015/10/16, 2015/12/05 to 2016/02/07, 2016/02/09 to 2016/02/11, 2016/02/13 to 2016/02/16, 2016/03/21, 2016/04/03, 2016/04/05, 2016/04/07, 2016/04/20, 2016/06/01 to 2016/06/02, 2016/06/04, 2016/06/06 to 2016/06/16, 2016/07/15 to 2016/08/09 which are rated good; 2016/06/05 rated fair; and 2015/10/01 to 2015/10/07 rated poor.

EXTREMES FOR 2015 WATER-YEAR (min/max info): WATER TEMPERATURE: Maximum instantaneous water temperature: 24.6 °C on Aug. 21, 2015; Minimum instantaneous water temperature: 0.0 °C on Jan. 27, 2015 and many other days throughout the winter. SPECIFIC CONDUCTANCE: Maximum instantaneous specific conductance: 1,020 µS/cm on Feb. 22, 2015; Minimum instantaneous specific conductance: 39 µS/cm on Jul. 10, 2015 (new extreme for period of record). Records for water temperature are rated as excellent. Records for specific conductance are rated excellent, except for the following daily ranges: 2014/11/27, 2014/12/09, 2015/01/04 to 2015/01/05, 2015/02/20 to 2015/02/25, 2015/03/01 to 2015/03/02, 2015/03/04, 2015/03/11, 2015/05/25 to 2015/05/26, 2015/05/28, 2015/05/31 to 2015/07/03, 2015/07/06 to 2015/07/08, 2015/07/10 to 2015/07/13,2015/07/16, 2015/07/18, 2015/08/04 to 2015/08/05, 2015/08/11,2015/08/21 to 2015/08/22, 2015/09/11, and 2015/09/30 which are rated as good; 2015/01/06 to 2015/02/19 which are rated as poor.

2014 WATER-YEAR SUMMARY (min/max info): WATER TEMPERATURE: Maximum instantaneous water temperature: 23.8 °C on Jul. 16, 2014; Minimum instantaneous water temperature: 0.0 °C on Dec. 14, 2013 and many other days throughout the winter. SPECIFIC CONDUCTANCE: Maximum instantaneous specific conductance: 2,010 µS/cm on Sept. 18, 2014; Minimum instantaneous specific conductance: 60 µS/cm on Jul. 28, 2014.

2013 WATER-YEAR SUMMARY (min/max info): WATER TEMPERATURE: Maximum instantaneous water temperature: 24.0 °C on Jul. 09, 2013; Minimum instantaneous water temperature: 0.0 °C on Feb. 08 and 09, 2013. SPECIFIC CONDUCTANCE: Maximum instantaneous specific conductance: 1,390 µS/cm on Oct. 15, 2012; Minimum instantaneous specific conductance: 67 µS/cm on Jul. 23, 2013.

2012 WATER-YEAR SUMMARY (min/max info): WATER TEMPERATURE: Maximum instantaneous water temperature: 24.1 °C on Aug. 16, 2012; Minimum instantaneous water temperature: 0.7 °C on Jan. 15, 2012. SPECIFIC CONDUCTANCE: Maximum instantaneous specific conductance: 692 µS/cm on Mar. 02, 2012; Minimum instantaneous specific conductance: 46 µS/cm on Jul. 18, 2012.

Record quality is described in the following publication: Wagner, R.J., Boulger, R.W., Jr., Oblinger, C.J., and Smith, B.A., 2006, Guidelines and standard procedures for continuous water-quality monitors—Station operation, record computation, and data reporting: U.S. Geological Survey Techniques and Methods 1–D3, 51 p. + 8 attachments; accessed April 10, 2006, at http://pubs.water.usgs.gov/tm1d3

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 3,540 uS/cm, Feb. 3, 2004; minimum, 39 uS/cm, July 10, 2015. WATER TEMPERATURE: Maximum recorded, 25.0 °C, Aug. 08, 2019; minimum, -0.1 °C, several days in the 2004, 2007, and 2008 water years.