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Water-Year Summary for Site 01642199

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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(Min.,Max.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Min.,Max.,Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 39°25'27.9", long 77°25'47.2" referenced to North American Datum of 1983, Frederick County, MD, Hydrologic Unit 02070009, on left bank 375 ft upstream from culvert on US Route 15 (Frederick Freeway), 1.1 mi northwest of Frederick, and 325 ft upstream of Rock Creek.
DRAINAGE AREA - 7.33 mi². , from automated delineation using 30-meter National Elevation Dataset, digital elevation model data, dated December 2011.
PERIOD OF RECORD - October 2017 to current year.
GAGE - Water-stage recorder and crest stage gage. Datum of gage is 291.33 ft above North American Vertical Datum of 1988.
  • Water Year 2020: Records good, except those above 350 ft³/s, which are poor. No estimated discharges.
  • Water Years 2018-2019: Records good, except those above 350 ft³/s and those for estimated discharges, which are poor.

  • U.S. Geological Survey satellite data-collection platform at station.
    PERIOD OF RECORD - October 2017 to current year.
    PERIOD OF DAILY RECORD - October 2017 to current year.
    INSTRUMENTATION - Multi-parameter water quality monitor, October 2017 to current year.
    REMARKS - Missing record due to periodic instrument malfunction or times when the sensor is being calibrated.
    EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 27.5°C, July 2, 2019 and June 22, 2020; Minimum, 1.8°C, Jan. 5, 6, 2018 . SPECIFIC CONDUCTANCE: Maximum, 7,080 microsiemens/cm, February 7, 2018; Minimum, 96 microsiemens/cm June 23, 2020.