USGS Water-Year Summary 2024
08248000 LOS PINOS RIVER NEAR ORTIZ, CO
LOCATION - Lat 36°58'56", long 106°04'23" referenced to North American Datum of 1927, in sec.26, T.32 N., R.8 E., Rio Arriba County, NM, Hydrologic Unit 13010005, on left bank 0.9 mi upstream (south) from Colorado-New Mexico State line, 2.1 mi southwest of Ortiz, and 2.9 mi upstream from mouth.
DRAINAGE AREA - 167 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1915 to December 1920, October 1924 to current year. Monthly discharge only for some periods, published in WSP 1312.
GAGE - Water-stage recorder with satellite telemetry. Elevation of gage is 8,040 ft above NGVD of 1929, from topographic map. Prior to Apr. 15, 1955, at site 350 ft upstream at datum 2.52 ft higher.
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.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,160 ft³/s, May 12, 1941, from rating curve extended above 1,600 ft³/s, gage height, 5.77 ft, site and datum then in use.