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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.
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USGS Water-Year Summary 2024
12452890 MAD RIVER AT ARDENVOIR, WA
LOCATION - Lat 47°44'13", long 120°22'03" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.19, T.26 N., R.20 E., Chelan County, WA, Hydrologic Unit 17020010, at Moe Ridge bridge, 0.35 mi above mouth and about 100 ft above concrete diversion at Ardenvoir.
DRAINAGE AREA - 92.4 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 2002 to current year.
GAGE - Water-stage recorder. Elevation of gage is 1,260 ft above NGVD of 1929, from topographic map.
REMARKS - No known regulation or diversion upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 965 ft³/s, May 18, 2006, gage height, 4.93 ft; maximum gage height, 6.86 ft, Jan. 5, 2005, result of ice jam; minimum discharge, 6.4 ft³/s (measured), Dec. 8, 2005, result of freeze-up.
