LOCATION.--Lat 41°31'54.2", long 93°46'54.3" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 SW 1/4 sec.30, T.78 N., R.25 W., Polk County, IA, Hydrologic Unit 07100006, on right bank 0.4 mi upstream from bridge on Interstate 35 in West Des Moines, and 14.3 mi upstream from mouth. (map)

DRAINAGE AREA.--3,500 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Stage-only records from July 2000 to current year.

GAGE.--Water-stage recorder. Datum of gage is 782.97 ft above National Geodetic Vertical Datum of 1929.

REMARKS.--Discharge not published, low-flow use only.

Advanced Hydrologic Prediction Service

Des Moines Water Works