USGS Water-Year Summary 2020
08245000 CONEJOS RIVER BELOW PLATORO RESERVOIR, CO
LOCATION - Lat 37°21'17.65", long 106°32'39.0" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 sec.22, T.36 N., R.4 E., Conejos County, CO, Hydrologic Unit 13010005, Rio Grande National Forest, on left bank 1,100 ft downstream from valvehouse for Platoro Reservoir and 0.7 mi northwest of Platoro.
DRAINAGE AREA - 40 mi². approximately.
PERIOD OF RECORD - May 1952 to current year.
GAGE - Water-stage recorder with satellite telemetry and concrete control. Datum of gage is 9,866.60 ft above NGVD of 1929, (levels by U.S. Bureau of Reclamation).
COOPERATION - Records collected and computed by Colorado Division of Water Resources and reviewed by Geological Survey.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Oct. 5, 1911, is the greatest since at least 1854, from information obtained from local residents in 1959.