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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
06345780 HEART RIVER ABOVE LAKE TSCHIDA NEAR GLEN ULLIN, ND
LOCATION - Lat 46°39'25", long 102°04'44" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.30, T.137 N., R.90 W., Grant County, ND, Hydrologic Unit 10130202, on right bank 100 ft downstream from bridge on county road and 16 mi south and 1 mi west of Hebron.
DRAINAGE AREA - 1,530 mi². approximately.
SURFACE-WATER RECORDS
PERIOD OF RECORD - DAILY DISCHARGE--July 1988 to current year.
PERIOD OF RECORD.--DAILY GAGE HEIGHT--October 1999 to current year.
PERIOD OF RECORD.--DAILY GAGE HEIGHT--October 1999 to current year.
GAGE -
Datum of the gage is 2,075.01 feet above North American Vertical Datum of 1988 (NAVD88) and 2,090 feet above National Geodetic Vertical Datum of 1929 (NGVD29) from topographic map.
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, Oct. 2, 2018 to Jun. 17, 2019 which are poor and estimated discharges, which are poor, unless otherwise noted.
REGULATION.--Flow is regulated by E.A. Patterson Lake (station 06343500) about 90 river mi upstream from station, and some diversions for irrigation and water supply at low flow.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, about 15,300 ft³/s, Mar. 24, 2019, peak stage 22.81 ft. For the March to April 2009 high-water period, a maximum stage of 25.79 ft, March 23, 2009, from flood mark, was noted. This peak maximum may have been exceeded during the period of no stage record, April 11-24, 2009.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water year 1988 to 2012.
