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- 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
03378000 BONPAS CREEK AT BROWNS, IL
LOCATION - Lat 38°23'11", long 87°58'33" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 sec.33, T.1 S., R.14 W., Edwards County, IL, Hydrologic Unit 05120113, on right bank at downstream side of bridge on State Highway 15, 0.5 mi north of Browns, 0.7 mi upstream from railroad bridge, and at mile 14.6.
DRAINAGE AREA - 228 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: December 1916 to January 1917 and October 1940 to current.
STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978-91.
MISCELLANEOUS: Water years 1998 and 2002.
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: December 1916 to January 1917 and October 1940 to current.
STAGE: Water years 1994 to current.
SURFACE-WATER QUALITY
CHEMICAL: Water years 1978-91.
MISCELLANEOUS: Water years 1998 and 2002.
GAGE - Water-stage recorder, satellite telemeter, and crest-stage gage. Datum of
gage is 372.50 ft above NAVD 1988. Prior to Dec. 11, 1968, water-stage recorder and concrete dam at site 0.4 mi downstream at datum 2.0 ft higher. Dec. 11, 1968, to Aug. 13, 1969, nonrecording gage at site 0.5 mi downstream at datum 1.0 ft lower. Prior to Oct. 1, 1982, auxiliary nonrecording gage near mouth on Wabash River at Grayville read twice daily.
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, 7,500 ft³/s, May 9, 1961, gage height, 24.04 ft, site and datum then in use; no flow at times in most years.
