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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 2025
06342470 MISSOURI RIVER ABV. MANDAN, ND
LOCATION - Lat 46°51'39.5", long 100°52'34.9" referenced to North American Datum of 1983, in sec.14, T.139 N., R.81 W., Morton County, ND, Hydrologic Unit 10130101,
DRAINAGE AREA - 186,400 mi², approximately.
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 2023 to current year.
GAGE - Datum of the gage is 1,614.39 feet above North American Vertical Datum of 1988 (NAVD88).
For a detailed gage datum history, please use the blue ‘questions or comments’ tab on the bottom of the site’s monitoring location page.
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
Stage regulated by releases from Garrison Dam (station 06338490) 74 mi upstream.
