USGS Water-Year Summary 2023
10254730 Alamo River near Niland, CA
LOCATION - Lat 33°11'56", long 115°35'46" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.23, T.11 S., R.13 E., Imperial County, CA, Hydrologic Unit 18100204, on left bank, 1.0 mi upstream from mouth, and 4.5 mi southwest of Niland.
DRAINAGE AREA - Not determined.
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1943 to September 1960 (monthly discharge only, published in WSP 1743), October 1960 to current year.
GAGE - Water-stage recorder. Elevation of gage is 220 ft below NGVD of 1929, from topographic map. Prior to Oct. 1, 1986, at site 0.4 mi downstream at different datum.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 4,500 ft³/s, estimated, Aug. 17, 1977, by Imperial Irrigation District; minimum daily, 288 ft³/s, Jan. 2, 1966, Dec. 15, 1984.