USGS Water-Year Summary 2019
07177650 FLAT ROCK CREEK AT CINCINNATI AVENUE AT TULSA, OK.
LOCATION - Lat 36°12'55", long 95°59'42" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.14, T.20 N., R.12 E., Tulsa County, OK, Hydrologic Unit 11070107, near right upstream abutment of Cincinnati Avenue bridge, 0.5 mi north of Cincinnati Avenue-36th Street North intersection, 2.0 mi south of Turley, and at mile 5.6.
DRAINAGE AREA - 8.11 mi². From automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.
- WDR 2012: Drainage area.
PERIOD OF RECORD - December 1987 to current year.
GAGE - Water-stage recorder. U.S. Geological Survey satellite telemeter at station. Datum of gage is 615.56 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Zero flow has been recorded at times throughout the period of record.
The period of record maximum peak stage value of 16.50 was derived from a high water mark.