LOCATION.-- Lat 42°36'39", long 88°13'33", in NW 1/4 NW 1/4 sec.26, T.2 N., R.19 E., Kenosha County, Hydrologic Unit 07120006, on right bank 40 ft downstream from bridge on County Trunk Highway JB, 2.2 mi north of New Munster, and 17.0 mi upstream from Fox Chain of Lakes.

DRAINAGE AREA.-- 811 mi².

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: October 1939 to current year. Prior to October 1993, published as "at Wilmot" under station number 05546500.

REVISED RECORDS.-- WSP 1308: 1943(M), 1945(M). WDR WI-67-1: Drainage area. WDR WI-92-1: 1991.

GAGE.-- Water-stage recorder, phone telemeter, and U.S. Corps of Engineers satellite telemeter. Datum of gage is 735.72 ft above NGVD of 1929 (Racine County Surveyor bench mark) (735.47 ft NAVD 1988). Prior to Sept. 2, 1965, nonrecording gage at bridge 400 ft above dam in Wilmot 11 mi downstream at datum 0.50 ft lower, and Sept. 2, 1965 to Sept. 30, 1993, recording gage 100 ft downstream from bridge at the lower datum. Removal of dam due to damage was completed by Sept. 15, 1992.

REMARKS.--Occasional regulation from several dams upstream from gage.

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 7,520 ft³/s, March 31, 1960, gage height, 9.25 ft, from graph based on gage readings, site and datum then in use; maximum gage height, 14.10 ft, February 21, 1994, ice affected; no flow, October 26, 1945 and August 10, 1990.