Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
05537500 LONG RUN NEAR LEMONT, IL
LOCATION - Lat 41°38'33.4", long 87°59'57.7" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 sec.32, T.37 N., R.11 E., Cook County, IL, Hydrologic Unit 07120004, on left bank at downstream side of bridge on State Street, 2 mi south of Lemont, and at mile 5.4.
DRAINAGE AREA - 20.9 mi².
REVISIONS HISTORY - WSP 1338: 1952(M). WDR IL-75-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: July 1951 to current.
STAGE: Water years 1994 to current.
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: July 1951 to current.
STAGE: Water years 1994 to current.
GAGE - Water-stage recorder and phone telemeter. Datum of gage is 636.95 ft above North American Vertical Datum of 1988.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IL Water Science Center.
EXTREMES FOR PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 5,310 ft³/s, July 18, 1996, from rating curve extended above 2,800 ft³/s, gage height, 11.10 ft; no flow at times in most years.
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 5,310 ft³/s, July 18, 1996, from rating curve extended above 2,800 ft³/s, gage height, 11.10 ft; no flow at times in most years.
