USGS Water-Year Summary 2019
05484800 Walnut Creek at Des Moines, IA
LOCATION - Lat 41°35'14", long 93°42'11" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 SE 1/4 sec.02, T.78 N., R.25 W., Polk County, IA, Hydrologic Unit 07100006, on left bank 25 ft downstream from bridge on 63rd Street in Des Moines, and 2.2 mi upstream from mouth.
DRAINAGE AREA - 78.4 mi².
REVISIONS HISTORY - WDR IA-73-1: 1972. WDR IA-75-1: 1973-1974.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from October 1971 to current year.
GAGE - Water-stage recorder. Datum of gage is 801.04 ft above National Geodetic Vertical Datum of 1929 (levels by Iowa Natural Resources Council).