USGS Water-Year Summary 2020
05536195 LITTLE CALUMET RIVER AT MUNSTER, IN
LOCATION - Lat 41°34'39", long 87°31'20" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.13, T.36 N., R.10 W., Lake County, IN, Hydrologic Unit 07120003, on Hohman Avenue bridge at north city limits of Munster, 0.4 mi upstream from Indiana-Illinois State line, and 4.6 mi upstream from Thorn Creek. NAVD88 580.34 ft. (2018)
DRAINAGE AREA - 90 mi². During times of floods on Deep River, flow may enter basin from eastern portion of Little Calumet River Basin; or, during times of floods on Hart Ditch, flow may leave the basin and enter eastern portion of the Little Calumet River Basin.
PERIOD OF RECORD - June 1958 to current year.
GAGE - Water-stage recorder. Datum of gage is 580.34 ft above the North American Vertical Datum of 1988. Formerly 580.72 ft above National Geodetic Vertical Datum of 1929.
PERIOD OF RECORD - September 2018 to current.
INSTRUMENTATION - Temperature sensor.