USGS Water-Year Summary 2020
06804000 Wahoo Creek at Ithaca, Nebr.
LOCATION - Lat 41°08'51", long 96°32'16" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.33, T.14 N., R.8 E., Saunders County, NE, Hydrologic Unit 10200203, on right bank downstream from bridge on State Highway 63, 0.8 mi south of Ithaca, and at mile 20.3.
DRAINAGE AREA - 273 mi² of which 5 mi² probably is noncontributing.
- WDR NE-78-1: 1977(P). WDR NE-94-1: Drainage area.
PERIOD OF RECORD - October 1949 to current year.
GAGE - Water-stage recorder with satellite telemetry. Datum of gage is 1,110.48 ft above NAVD29. Prior to Oct. 27, 1959, non-recording gages at same site and datum. Oct. 28, 1959 to Feb. 22, 1961, non-recording gage at site 1.5 mi upstream at datum 8.21 ft higher.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, 77,400 ft³/s, June 24, 1963, from rating curve extended above 13,000 ft³/s on basis of indirect measurement of peak flow, gage height, 22.93 ft.