USGS Water-Year Summary 2020
02028500 ROCKFISH RIVER NEAR GREENFIELD, VA
LOCATION - Lat 37°52'10", long 78°49'25" referenced to North American Datum of 1927, Nelson County, VA, Hydrologic Unit 02080203, on left bank 50 ft downstream from bridge on State Highway 634, 2.8 mi downstream from confluence of North and South Forks, and 4.1 mi south of Greenfield.
DRAINAGE AREA - 94.8 mi².
- OFR 2006-1308: Drainage area.
PERIOD OF RECORD - April 1943 to current year.
GAGE - Water-stage recorder. Datum of gage is 532.29 ft NGVD of 1929. Prior to Nov. 3, 2009, at datum of 530.29 ft. Prior to Aug. 21, 1943, nonrecording gage at present site.
COOPERATION - Records were provided by the Virginia Department of Environmental Quality - Water Division.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Oct. 15, 1942, reached a stage of 23.4 ft, from floodmarks, discharge, about 30,000 ft³/s.