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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
06345500 HEART RIVER NEAR RICHARDTON, ND
LOCATION - Lat 46°44'44", long 102°18'30" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.29, T.138 N., R.92 W., Stark County, ND, Hydrologic Unit 10130202, on right bank 50 ft upstream from bridge on State Highway 8, 0.5 mi downstream from Plum Creek, and 9.5 mi south of Richardton.
DRAINAGE AREA - 1,240 mi². approximately.
REVISIONS HISTORY - WSP 1209: Drainage area. WSP 1239: 1906, 1918(M), 1947(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - DAILY DISCHARGE--June 1903 to September 1922, April 1943 to current year. Monthly discharge only for some periods, published in WSP 1309.
PERIOD OF RECORD.--DAILY GAGE HEIGHT--October 2000 to current year.
PERIOD OF RECORD.--DAILY GAGE HEIGHT--October 2000 to current year.
GAGE - Datum of the gage is 2,155.25 feet above North American Vertical Datum of 1988 (NAVD88) and 2,153.67 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.
REGULATION.--Flow is regulated by E.A. Patterson Lake (station 06343500), 85 river miles upstream, since 1950. Some diversions for irrigation and water supply at low flow.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of July 5, 1938, reached a stage of about 26 ft, from information by local residents, discharge, 16,000 ft³/s; flood of March 25, 1943, reached a stage of 24.2 ft from floodmarks, discharge, 11,700 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum peak discharge, 23,400 ft³/s, April 16, 1950, maximum peak stage, 28.05 ft from floodmark in gage well.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1950, 1972 to 2012.
