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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
06354815 PORCUPINE CREEK NEAR FORT YATES, ND
LOCATION - Lat 46°11'36", long 100°45'05" referenced to North American Datum of 1927, in sec.06, T.131 N., R.80 W., Sioux County, ND, Hydrologic Unit 10130102, on right bank at downstream side of bridge 8 mi northwest of Fort Yates.
DRAINAGE AREA - 220 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
July 1991 to Sept. 1999, July 2018 to current year.
GAGE - Datum of the gage is 1,625.74 feet above North American Vertical Datum of 1988 (NAVD88) and 1,640 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 1999 are noted in the individual Annual Data Reports for those water years.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1991 to 1999.
