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Water-Year
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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 -
Water stage recorder.
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 - 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 estimated discharges, which are poor, unless otherwise noted.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, 8,080 ft³/s, May 29,1970, peak stage, 22.77 ft.
