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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
07062575 BLACK RIVER ABOVE WILLIAMSVILLE, MO
LOCATION - Lat 36°58'21", long 90°35'49" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 SW 1/4 sec.23, T.27 N., R.4 E., Wayne County, MO, Hydrologic Unit 11010007, on the right downstream wingwall of State Highway 49 bridge, 3 miles west of Williamsville.
DRAINAGE AREA - 1,007 mi².
REVISIONS HISTORY - Revisions: Gage datum was revised to 380.39 ft NAVD88 on January 3, 2023, as determined by a GNSS Level II survey. Gage datum was previously published in error as 406.69 ft NAVD88.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Apr 8, 2008 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 380.39 ft. above North American Vertical Datum of 1988.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center. Flow regulated by Clearwater Lake (station 07062000), 17 mi upstream.
