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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
05395000 WISCONSIN RIVER AT MERRILL, WI
LOCATION - Lat 45°10'42", long 89°40'54" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 sec.12, T.31 N., R.6 E., Lincoln County, WI, Hydrologic Unit 07070002, on left bank 300 ft downstream from U.S. Highway 51 bridge at east end of Merrill, and 0.5 mi downstream from Prairie River.
DRAINAGE AREA - 2,760 mi².
REVISIONS HISTORY - WSP 1308: 1904-7, 1909-11, 1913. WSP 1508: 1908, 1915-16(M), 1917, 1920-21(M), 1925(M), 1930, 1935-36. WDR WI-77-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1902 to current year. Monthly discharge data for some periods from December 1902 to September 1909 published in WSP 1308. These monthly discharges are not included in the monthly mean discharge statistics. Mostly seasonal unpublished daily discharge records from December 1902 to September 1905 in District files.
GAGE - Water-stage recorder and crest stage gage. Datum of gage is 1,228.83 ft above NAVD of 1988. Prior to June 18, 1903, nonrecording gage at different datum. June 18, 1903, to Sept. 10, 1914, nonrecording gage at present datum.
REMARKS - Records are considered good, except for estimated daily discharges which are poor and other periods as noted below. For records prior to October 1, 2013, see remarks printed in the annual water-data reports. Flow regulated by 20 reservoirs and 9 powerplants upstream from station. Gage-height telemeter at station. Monthly average data was published outside the period of daily data collection. These monthly data are not included in the monthly mean statistics.
