USGS Water-Year Summary 2023
07263300 MAUMELLE RIVER AT MAUMELLE DAM AT NATURAL STEPS, AR
LOCATION - Lat 34°51'47", long 92°29'07" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 sec.27, T.3 N., R.14 W., Pulaski County, AR, Hydrologic Unit 11110207, at right bank 100 ft upstream from spillway, and 0.5 mi west of Natural Steps.
DRAINAGE AREA - 137 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Sep 1989 to current year.
GAGE - Water-stage recorder.
Datum of gage is 199.82 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18).
Prior to February 01, 2024, the Datum of gage was 200.00 ft. above NAVD88.
Prior to February 2019, the Datum of gage was 200.00 ft. above NGVD of 1929.