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USGS Water-Year Summary 2024
03374500 PATOKA RIVER NEAR CUZCO, IN
LOCATION - Lat 38°26'31", long 86°42'51" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.11, T.1 S., R.3 W., Dubois County, IN, Hydrologic Unit 05120209, mounted on upstream handrail of Cuzco Road South bridge over Patoka River, 0.7 mi downstream from Patoka Lake, 2.3 mi south of Cuzco, 4.5 mi upstream from Dillon Creek, and at mile 117.8.
DRAINAGE AREA - 170 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1961 to September 1981, discharge. October 1981 to September 2001, discharge provided by U.S. Army Corps of Engineers. October 2001 to current year, gage height only. Prior to October 1979, published as "near Ellsworth".
GAGE -
Water-stage recorder. Datum of gage is 476.53 above the North American Vertical Datum of 1988 or 477.00 ft above National Geodetic Vertical Datum of 1929, (levels by State of Indiana, Department of Natural Resources). Prior to Oct. 1, 1961, non-recording gage on downstream side of bridge 1.7 mi downstream at same datum. From Oct. 1, 1961 to December 1, 2021, water-stage recorder on right bank 30 ft upstream at same datum.
COOPERATION - Records of discharge provided by U.S. Army Corps of Engineers October 1981 to September 2001.
REMARKS - Flow regulated by U.S. Army Corps of Engineers from Patoka Lake since February 1978.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in March 1913 reached a stage of 19.1 ft according to information by local resident, discharge, 12,300 ft³/s.
EXTREMES FOR PERIOD OF RECORD - (October 2001 to current year) maximum gage height, 15.60 ft, May 1, 2008, minimum gage height, 2.12 ft, June 20, 2002. (June 1961 to September 1981) maximum discharge, 14,700 ft³/s, Mar. 10, 1964, gage height, 20.02 ft; no flow Oct. 30, 1964.
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE:October 1987 to current year.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 33.1°C, Aug. 13, 2010; minimum, 0.4°C, Jan. 18, 19, 1994, and Jan. 11, 1996.
