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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
02056650 BACK CREEK NEAR DUNDEE, VA
LOCATION - Lat 37°13'39", long 79°52'06" referenced to North American Datum of 1927, Roanoke County, VA, Hydrologic Unit 03010101, on right bank 65 ft upstream from bridge on State Highway 660, 0.9 mi upstream from Horseshoe Branch, 1.1 mi southeast of Dundee, 2.8 mi west of Hardy Post Office, and at mile 2.4.
DRAINAGE AREA - 55.8 mi².
REVISIONS HISTORY - OFR 2006-1308: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1974 to current year.
GAGE - Water-stage recorder. Datum of gage is 822.070 (±0.1)ft above NAVD 88. Prior to Apr. 4, 1975, nonrecording gage, and Apr. 4, 1975 to Nov. 4, 1985, water-stage recorder, at site 80 ft downstream at same datum.
COOPERATION - Records were provided by the Virginia Department of Environmental Quality - Water Division.
REMARKS - Maximum discharge, 20,000 ft³/s, from rating curve extended above 5,900 ft³/s on basis of slope-area measurement of peak flow.
EXTREMES OUTSIDE PERIOD OF RECORD - Floods of May 30, 1971, and Jun. 21, 1972, reached a stage of 17.5 ft and 20.0 ft, respectively, from information by local resident.
