USGS Water-Year Summary 2021
07373000 Big Creek at Pollock, LA
LOCATION - Lat 31°32'10", long 92°24'30" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.31, T.7 N., R.1 E., Grant Parish, LA, Hydrologic Unit 08040304, near right bank on downstream side of bridge on U.S. Highway 165, 0.5 mi upstream from Sugar Branch, 0.8 mi upstream from water-supply diversion dam, 0.8 mi north of Pollock, and 1.3 mi downstream from Dyson Creek.
DRAINAGE AREA - 51 mi².
- WDR LA-75-1: 1958(M), 1966(M).
PERIOD OF RECORD - January 1942 to current year.
GAGE - Water-stage recorder with a concrete control. Datum of gage is 76.69 ft above NGVD of 1929. See WDR-LA-88-1 for history of changes prior to
Oct. 1, 1988.