LOCATION.--Lat 43°09'54", long 93°11'33" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 NW 1/4 sec.3, T.96 N., R.20 W., Cerro Gordo County, IA, Hydrologic Unit 07080203, on right bank 650 ft upstream from bridge on 13th Street in Mason City, 0.1 mi downstream from Calmus Creek, 1.0 mi upstream from Willow Creek, and 20.2 mi upstream from mouth. (map)

DRAINAGE AREA.--526 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Discharge records from October 1932 to current year. Prior to January 1933, monthly mean discharge published in WSP 1308. Prior to October 1959, published as "Lime Creek at Mason City."

REVISED RECORDS.--WSP 825: 1935-36. WSP 1438: Drainage area. WSP 1558: 1933-37, 1943 (M), 1945, 1948.

GAGE.--Water-stage recorder and concrete control. Datum of gage is 1,069.59 ft above National Geodetic Vertical Datum of 1929. Prior to October 15, 1934, non-recording gage at datum 6.47 ft lower; October 15 to November 6, 1934, non-recording gage at different datum; November 7, 1934, to March 22, 1935, non-recording gage at same datum.

Advanced Hydrologic Prediction Service

National Streamflow Information Program