USGS Water-Year Summary 2020
09050700 BLUE RIVER BELOW DILLON, CO
LOCATION - Lat 39°37'32", long 106°03'57" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.12, T.5 S., R.78 W., Summit County, CO, Hydrologic Unit 14010002, on right bank 0.1 mi upstream from Straight Creek, 0.3 mi downstream from Dillon Dam, , and 1.1 mi west of Dillon.
DRAINAGE AREA - 334 mi².
- WDR-US-2011: Drainage area.
PERIOD OF RECORD - January 1960 to current year. Statistical summary computed for 1963 to current year, subsequent to completion of Dillon Reservoir.
GAGE - Water-stage recorder with satellite telemetry, and concrete control. Elevation of gage is 8,760 ft above NGVD of 1929, from topographic map.