USGS Water-Year Summary 2020
07250974 JACK CREEK NEAR WINFREY, AR
LOCATION - Lat 35°42'16", long 94°05'30" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.20, T.12 N., R.29 W., Crawford County, AR, Hydrologic Unit 11110201, 2,100 ft upstream of the mouth of Jack Creek at Lake Fort Smith, next to Ozark Highlands Trail near the Jack Creek crossing, 8.7 mi northeast of the junction of U.S. Hwy 71 and State Hwy 282, and 11.3 mi northeast of Mountainburg.
DRAINAGE AREA - 6.90 mi².
PERIOD OF RECORD - Oct 2001 to current year.
GAGE - Water-stage recorder.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 3,800 ft³/s Sep 21, 2009 based on computation of slope-area indirect measurement of peak discharge.