USGS Water-Year Summary 2024
09211200 GREEN RIVER BELOW FONTENELLE RESERVOIR, WY
LOCATION - Lat 42°01'15.5", long 110°02'59.3" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NE 1/4 sec.31, T.24 N., R.111 W., Sweetwater County, WY, Hydrologic Unit 14040103, on right bank 1.0 mi downstream from Fontenelle Dam, 2.5 mi upstream from Slate Creek, and 6.0 mi southeast of Fontenelle.
DRAINAGE AREA - 4,197 mi².
REVISIONS HISTORY - WSP 2125: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1963 to current year.
GAGE - Water-stage recorder. Elevation of gage datum is 6,382.57 ft above NAVD88, from GNSS survey. U.S. Geological Survey data collection platform with satellite telemetry at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge caused by emergency release from Fontenelle Reservoir, gage height determined from floodmarks.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1968 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 1967 to September 1976.
WATER TEMPERATURE: October 1967 to September 1976, May 2020 to current year (seasonal).
INSTRUMENTATION - Water thermistor.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum recorded, 20.7°C, August 18, 2020; minimum recorded, 5.1°C, April 23, 2021.