USGS Water-Year Summary 2020
08253000 CASIAS CREEK NEAR COSTILLA, NM
LOCATION - Lat 36°53'48.68", long 105°15'37.65" referenced to North American Datum of 1983, Taos County, NM, Hydrologic Unit 13020101, in Sangre de Cristo Grant, on left bank 200 ft downstream from road crossing, 900 ft upstream from normal high-water line of Costilla Reservoir, 1.8 mi northeast of Costilla Dam, and 16 mi southeast of Costilla.
DRAINAGE AREA - 18.7 mi².
- WSP 1282: 1948-51. WSP 1923: drainage area. Gage heights for measurements 690 to 692 and 694 to 715 were revised on November 1, 2019, based on changes to the gage datum. Drainage area was revised to a more accurate value on Aug. 6, 2020.
PERIOD OF RECORD - April 1937 to current year (seasonal records). Monthly discharge only for some periods, published in WSP 1312 and 1732. Records for November l-7, 1947, and November 1-16, 1948, published in WSP 1118 and 1148, are unreliable and should not be used.
GAGE - Water-stage recorder with satellite telemetry and concrete control. Elevation of gage is 9,437 ft above NGVD of 1929, from topographic map. Prior to July 18, 1940, water-stage recorder and wooden control 100 ft downstream at datum 1.56 ft lower. Prior to March 25, 1999, water-stage recorder and concrete control 140 ft downstream at same gage datum.