USGS Water-Year Summary 2019
08332010 RIO GRANDE FLOODWAY NEAR BERNARDO, NM
LOCATION - Lat 34°25'01", long 106°48'00" referenced to North American Datum of 1927, Socorro County, NM, Hydrologic Unit 13020203, in Belen or Sevilleta Grant, on downstream side of bridge on U.S. Highway 60, 2.0 mi east of Bernardo, 5.0 mi downstream from heading of conveyance channel, and at mile 1,487.2.
DRAINAGE AREA - 19,230 mi². (approximately, including 2,940 mi2 in closed basin in San Luis Valley, CO)
PERIOD OF RECORD - June 1936 to January 1939, October 1941 to September 2004, October 2011 to current year. Monthly discharges only, October 1942 to June 1943, published in WSP 1312, and October 1960 to September 1964, published in WSP 1923 (daily records available in District files). Published as "Rio Grande near Bernardo" prior to October 1964. Prior to October 1952, flow of Bernardo interior drain was included only when it carried river overflow; the entire flow has been included from October 1952 to September 1964. Flow in the conveyance channel, formerly "San Francisco Riverside drain," has been included in records prior to October 1964.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 4,705.60 ft above NGVD of 1929. From May 7, 1996 to Sept. 28, 2011, at datum 13.95 ft higher. Prior to May 7, 1996, at datum 16.95 ft higher.
PERIOD OF DAILY RECORD - SUSPENDED-SEDIMENT DISCHARGE: October 1964 to September 2004, October 2011 to current year.
INSTRUMENTATION - Automatic pumping sediment sampler.