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Water-Year Summary for Site 06468170

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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
00060 Discharge(Mean)  
00065 Gage height(Mean)  

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

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USGS Water-Year Summary 2021
LOCATION - Lat 47°33'29", long 98°51'45" referenced to North American Datum of 1927, in sec.18, T.147 N., R.64 W., Foster County, ND, Hydrologic Unit 10160001, on left bank on upstream side of county highway bridge and 2.5 mi northwest of Grace City.
DRAINAGE AREA - 1,060 mi² of which 650 mi² probably is noncontributing.
PERIOD OF RECORD - DAILY DISCHARGE--June 1968 to current year.

PERIOD OF RECORD.--DAILY GAGE HEIGHT--October 2000 to current year.
GAGE - Water-stage recorder. Datum of gage is 1458.9 ft above North American Vertical Datum of 1988 (NAVD88). National Geodetic Vertical Datum of 1929 (NGVD29) datum was converted to NAVD88 datum using the National Geodetic Surveys VDATUM transformation tool in November, 2017. Prior to October 1, 2017, datum was published as 1,457.60 ft above NGVD29, determined from USC & GS TT4T 1948, elevation 1507.301 ft above NGVD29

Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. For water years 2014 onward, records good except for discharges less than 1.0 ft³/s and estimated discharges, which are poor, unless otherwise noted.

EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, 8,140 ft³/s, April 11, 2011, peak stage, 17.54 ft, from floodmark.
PERIOD OF RECORD - Water year 1972 to 2012.