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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.
USGS Water-Year Summary 2024
06343000 HEART RIVER NR SOUTH HEART, ND
LOCATION - Lat 46°51'56", long 102°56'53" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.08, T.139 N., R.97 W., Stark County, ND, Hydrologic Unit 10130202, on left bank 1.7 mi downstream from North Creek, 2 mi east of South Heart, 5.5 mi upstream from Edward Arthur Patterson Lake.
DRAINAGE AREA - 311 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - DAILY DISCHARGE--July 1946 to September 1970, October 1977 to September 1984, March 2011 to current year (seasonal records only); Water years 1971-73, 1985-2010 (annual peak discharge only).
PERIOD OF RECORD.--DAILY GAGE HEIGHT--September 1977 to May 1978, March 2011 to current year (seasonal records only).
PERIOD OF RECORD.--DAILY GAGE HEIGHT--September 1977 to May 1978, March 2011 to current year (seasonal records only).
GAGE - Datum of the gage is 2,431.32 feet above North American Vertical Datum of 1988 (NAVD88) and 2,429.45 feet above National Geodetic Vertical Datum of 1929 (NGVD29).
For a detailed gage datum history, please use the blue ‘questions or comments’ tab on the bottom of the site’s monitoring location page.
REMARKS - Record quality ratings may not be included in the water-year summary for approved records newer than 09/30/2018. Record quality is still being rated internally. For questions about record quality ratings, please send email to gs-w-nd_NWISWeb_Data_Inquiries@usgs.gov
Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, 8,080 ft³/s, May 29,1970, peak stage, 22.77 ft.
