USGS Water-Year Summary 2020
08261000 COSTILLA CREEK NEAR GARCIA, CO
LOCATION - Lat 36°59'20.5", long 105°31'56.85" referenced to North American Datum of 1983, Taos County, NM, Hydrologic Unit 13020101, in Sangre de Cristo Grant, on left bank 0.4 mi downstream from old State Highway 3, 0.5 mi upstream from New Mexico-Colorado State line, 0.9 mi south of Garcia, CO, and at mile 13.3.
DRAINAGE AREA - 200 mi². (approximately)
PERIOD OF RECORD - June 1944 to current year (seasonal records).
GAGE - Water-stage recorder with satellite telemetry. Concrete control since Oct. 9, 1956. Elevation of gage is 7,821 ft above NGVD of 1929, from topographic map. Prior to Apr. 20, 1950, at site 0.4 mi downstream at different datum.
EXTREMES OUTSIDE PERIOD OF RECORD - A major flood occurred in 1886, from information by local residents. Flood of May 11, 1942, probably reached a discharge of 1,000 ft³/s.