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Water-Year Summary for Site 01194000

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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.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Mean)  
00060 Discharge(Mean)  

Water year 2020: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2020
01194000 EIGHTMILE R AT NORTH PLAIN, CT.
LOCATION - Lat 41°26'30.01", long 72°19'57.64" referenced to North American Datum of 1983, Middlesex County, CT, Hydrologic Unit 01080205, at right, downstream side of bridge on State Route 82, at North Plain.
DRAINAGE AREA - 20.1 mi².
REVISIONS HISTORY - WDR CT-09-1: 2008 (P).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge: October 1937 to September 1966, June 2007 to current year. Annual peaks and occasional gage heights and low flow discharge measurements, 1967 to 1984.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 56.23 ft. above North American Vertical Datum of 1988 (57.20 ft above National Geodetic Vertical Datum of 1929). Prior to June 2007, datum of gage was 57.74 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
REMARKS -
  • Water Year 2018: Records good except for periods of estimated discharge, which are fair.
  • Water Year 2017: Records good except for periods of estimated daily discharges, which are fair.
  • Water Year 2016: Records good except for estimated discharges Feb. 12, 14, and 15, which are fair, and estimated discharges June 1 to Sep. 30, which are poor.
  • Water Year 2015: Records good except for periods of estimated daily discharges, which are fair.
  • Water Year 2014: Records good except for periods of estimated daily discharges, which are fair.
  • EXTREMES FOR PERIOD OF RECORD - Maximum peak stage of 11.12 ft. on Jun. 6, 1982 was at datum then in use.
    WATER-QUALITY RECORDS
    PERIOD OF RECORD - Water Year 2016 to current year.
    EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURES: Maximum, 27.5°C August 14, 2016; minimum, -0.06°C January 14 and February 2, 2018.