USGS Water-Year Summary 2019
09489500 BLACK RIVER BELOW PUMPING PLANT, NEAR POINT OF PINES, AZ
LOCATION - Lat 33°28'36", long 109°45'48" referenced to North American Datum of 1927, in W 1/4 sec.32, T.2 N., R.25 E., Graham County, AZ, Hydrologic Unit 15060101, in San Carlos Indian Reservation, on left bank 0.9 mi downstream from Phelps Dodge Corp. pumping plant, 1.3 mi downstream from Freezeout Creek, 8 mi northwest of Point of Pines, and 63 mi upstream from confluence with White River. (unsurveyed).
DRAINAGE AREA - 560 mi².
PERIOD OF RECORD - June 1953 to current year.
GAGE - Water-stage recorder. Elevation of gage is 5,725 ft above sea level, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 17,900 ft³/s, Oct. 19, 1972, gage height, 18.0 ft, from floodmarks, from rating curve extended above 5,000 ft³/s; minimum daily, 2.6 ft³/s, July 5, 1974.