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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
01047150 KENNEBEC RIVER NEAR MADISON, ME
LOCATION - Lat 44°46'44", long 69°53'13" referenced to North American Datum of 1983, Somerset County, ME, Hydrologic Unit 01030003, on left bank, 1.0 mi upstream from Sandy River, 1.3 mi south of Madison, and 1.5 mi downstream from State Routes 8, 43, and 148 highway bridge.
DRAINAGE AREA - 3,245 mi².
REVISIONS HISTORY - WDR-US-2016: 2015(M)
The maximum discharge and gage height for water year 2015 was revised on August 8, 2017, as the values published in water year 2015 occurred on the rise of an event that peaked in the following water year.
SURFACE-WATER RECORDS
PERIOD OF RECORD - DISCHARGE: April 2009 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 180 ft above National Geodetic Vertical Datum of 1929.
REMARKS - Water Year 2020: Records good, except for estimated daily discharges, which are fair.
Water Year 2019: Records good, except for estimated daily discharges, which are fair.
Water Year 2018: Records good, except for estimated daily discharges, which are fair.
Water Year 2017: No estimated daily discharges. Records good.
Water Year 2016: No estimated daily discharges. Records good.
Water Year 2015: Records good, except for periods of ice effect, Dec. 4-9, 14-17, 23-24, and Dec. 29 to Mar. 27, which are fair.
Water Year 2014: Records good, including periods of ice effect, Dec. 14-19, 24-25, Jan. 1-10, Jan. 21 to Feb. 21, 26-28, Mar. 3-7, 14, 17-19, and 24-27.
Flow regulated by Moosehead Lake, Indian Pond, and Brassua, Flagstaff, and Wyman Lakes. Considerable diurnal fluctuation caused by powerplant above station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 53,100 ft³s, Dec. 13, 2010, gage height, 13.73 ft; minimum daily discharge, 1,600 ft³s, Oct. 21, 2016.
