USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 05570500 ILLINOIS RIVER AT HAVANA, IL

Mason County, Illinois

Hydrologic Unit Code 07130003

Latitude 40°17'39", Longitude 90°04'06" NAD83

Drainage area 18,299 square miles

Gage datum 424.40 feet above NGVD29

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1922	1922-04-20	22.40	65,000⁵
1923	1923-03-28	14.30	29,300⁵
1924	1924-08-25	18.70	45,100⁵
1925	1925-03-28	14.00	28,300⁵
1926	1926-04-16	17.30	38,800⁵
1927	1926-10-12	23.10	74,600⁵
1985	1985-03-09	26.30⁶	90,300⁵
1986	1985-11-26		68,500^2,5
1987	1986-10-09	19.69	55,000⁵
1988	1988-04-12	16.30	40,000^2,5
1989	1989-09-17	15.01	33,000⁵

Peak Gage-Height Qualification Codes.

Peak Streamflow Qualification Codes.

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://nwis.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2024-11-27 11:56:03 EST
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