USGS Water-Year Summary 2019
04294140 ROCK RIVER NEAR HIGHGATE CENTER, VT
LOCATION - Lat 44°57'47", long 72°59'31" referenced to North American Datum of 1983, Franklin County, VT, Hydrologic Unit 04150407, downstream of Cassidy Road crossing, 0.3 mi west of Cassidy Road and Franklin Road intersection, 1.0 mi east of Cassidy Road and Gore Road (Rte 207) intersection, and 3.1 mi northeast of Highgate Center.
DRAINAGE AREA - 11.3 mi².
PERIOD OF RECORD - November 2010 to present.
GAGE - Water stage recorder and crest-stage gage. Elevation of gage is 230 ft above National Geodetic Vertical Datum of 1929, from topographic map.
COOPERATION - Vermont Department of Environmental Conservation and USGS Groundwater and Streamflow Information Program.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 597 ft³/s, Aug 29, 2011, from rating curve extended above 230 cfs, gage height, 7.91 ft; minimum discharge, 0.00 ft³/s, on many days in August and September 2018.