USGS Water-Year Summary 2022
06803000 Salt Creek at Roca, Nebr.
LOCATION - Lat 40°39'28", long 96°39'56" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 sec.17, T.8 N., R.7 E., Lancaster County, NE, Hydrologic Unit 10200203, on left bank just upstream of bridge at west edge of Roca, and at mile 54.2.
DRAINAGE AREA - 167 mi².
PERIOD OF RECORD - May 1951 to current year.
REVISED RECORDS - WDR NE-71-1: Drainage area.
GAGE - Water-stage recorder with satellite telemetry. Datum of gage is 1,192.50 ft above sea level, Kansas City supplementary adjustment of 1943. Prior to May 16, 1956, nonrecording gage at present site and datum. Mar. 18, 2002 to Mar. 26, 2003, at location 0.7 mi upstream at present datum.
EXTREMES OUTSIDE PERIOD OF RECORD - A stage of 26.0 ft, from floodmark established by USACE, discharge 67,000 ft³/s, occurred on May 8, 1950. This peak may have been exceeded by flood of July 5, 1908.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, 16,700 ft³/s, July 10, 1958, gage height, 22.70 ft, datum then in use.