USGS Water-Year Summary 2020
05476735 Pilot Creek at County P15 near Rolfe, IA
LOCATION - Lat 42°48'20", long 94°27'44" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 SW 1/4 sec.01, T.92 N., R.31 W., Pocahontas County, IA, Hydrologic Unit 07100002, on right bank on downstream side of bridge on County Highway P15, 3.0 mi east of Rolfe, and 1.4 mi upstream from mouth.
DRAINAGE AREA - 96.6 mi².
PERIOD OF RECORD - Stage-only records from March 2009 to current year (no winter records).
GAGE - Water-stage recorder. Datum of gage is 742.36 ft above National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps of Engineers).