USGS Water-Year Summary 2022
07189000 ELK RIVER NEAR TIFF CITY, MO
LOCATION - Lat 36°37'53", long 94°35'12" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.22, T.22 N., R.34 W., McDonald County, MO, Hydrologic Unit 11070208, near right abutment of bridge on State Highway 43, 0.8 mi downstream from Blackfoot Branch, 2.8 mi upstream from Buffalo Creek, 3.0 mi southeast of Tiff City, and at mile 15.8.
DRAINAGE AREA - 851 mi². From automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.
- WSP 927: 1940. WDR 2012: Drainage area.
PERIOD OF RECORD - October 1939 to current year.
GAGE - Water stage recorder. U.S. Army Corps of Engineers' satellite telemeter at station. Current datum is 750.89 NAVD88. Current datum determined by a GNSS Level II REF FRAME: NAD_83(2011)(EPOCH:2010.0000) ITRF2014 (EPOCH:2022.6214)[NAVD88 (Computed using GEOID18)] Tied to RM-4. Prior to 10/01/2022 datum in use was 750.61 NGVD29(levels by U.S. Army Corps of Engineers). Sept. 6, 1960 to Aug. 25, 1961, at site 100 ft downstream.
PERIOD OF RECORD - August 1962 to June 1963, November 1965 to July 1975, October 1980 to September 1981, October 1982 to June 1990, November 1992 to current year.