USGS Water-Year Summary 2020
05433000 EAST BRANCH PECATONICA RIVER NEAR BLANCHARDVILLE, WI
LOCATION - Lat 42°47'08", long 89°51'40" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 sec.26, T.4 N., R.5 E., Lafayette County, WI, Hydrologic Unit 07090003, on left bank at downstream side of bridge on State Highway 78, 1.8 mi south of Blanchardville and 4.5 mi upstream from Sawmill Creek.
DRAINAGE AREA - 221 mi².
PERIOD OF RECORD - September 1939 to September 1986, October 1987 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 796.5 ft above NAVD of 1988. Prior to Dec. 20, 1939, nonrecording gage at bridge 50 ft upstream at same datum.