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Water-Year Summary for Site 05345000

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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
05345000 VERMILLION RIVER NEAR EMPIRE, MN
LOCATION - Lat 44°40'00", long 93°03'17" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.24, T.114 N., R.19 W., Dakota County, MN, Hydrologic Unit 07040001, on right bank and just downstream from County Road 79, 2 mi west of Empire and 4 mi northeast of Farmington.
DRAINAGE AREA - 129 mi².
REVISIONS HISTORY - Previously published peak discharge for 1965 water year of 6,200 ft³/s has been deleted.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1942 to June 1945 (no record during July, August, and September 1944), September 1969 to September 1973 (discharge measurements only), October 1973 to current year. Prior to October 1975 published as "near Empire City".
GAGE - Water-stage recorder. Datum of gage is 851.99 ft above sea level (NGVD of 1929, levels by U.S. Army Corps of Engineers). April 12, 1942 to June 30, 1944, and October 1, 1944 to July 7, 1945, non-recording gage at same site and present datum.
REMARKS - Prior to Mar. 18, 2008, some regulation at lower flows by wastewater treatment plant upstream. On Mar. 18, 2008, discharges from this wastewater treatment were diverted away from the Vermillion River and directly to the Mississippi River.

Records good except those for estimated daily discharge, which are poor.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in April 1965, reached a stage of 7.5 ft, from information by local resident. A previously published peak discharge of 6,200 ft³/s has since been removed from database due to questions about accuracy.
EXTREMES FOR PERIOD OF RECORD - Minimum discharge, 6.8 ft³/s, Aug. 15, 1992, result of regulation.