USGS Water-Year Summary 2021
08254000 COSTILLA CREEK BELOW COSTILLA DAM, NM
LOCATION - Lat 36°52'22.1", long 105°17'01.2" referenced to North American Datum of 1983, Taos County, NM, Hydrologic Unit 13020101, in Sangre de Cristo Grant, on right bank approximately 1,000 ft downstream from Costilla Dam, 16 mi southeast of Costilla, and at mile 34.5.
DRAINAGE AREA - 54.6 mi².
- WSP 1923: drainage area.
PERIOD OF RECORD - April 1937 to current year (seasonal records 1937-44, 1947-49, 1988-02). Monthly discharge only for some periods, published in WSP 1312. Prior to October 1951, published as "below reservoir near Costilla."
GAGE - Water-stage recorder with satellite telemetry and concrete control. Elevation of gage is 9,300 ft above National Geodetic Vertical Datum of 1929, from topographic map. Prior to Nov. 7, 1989, at site 500 ft upstream at different datum.