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Water-Year Summary for Site 06817000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Mean)  
00060 Discharge(Mean)  
83554 NO3+NO2, w, total(Mean)  
99133 NO3+NO2,water,insitu(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
06817000 Nodaway River at Clarinda, IA
LOCATION - Lat 40°44'35.8", long 95°00'51.1" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SW 1/4 sec.29, T.69 N., R.36 W., Page County, IA, Hydrologic Unit 10240009, on right bank 500 ft upstream from dam, at eastern edge of Clarinda, 1300 ft downstream from North Branch, 7.8 mi upstream from East Nodaway River, and 12.3 mi upstream from Iowa-Missouri state line.
DRAINAGE AREA - 762 mi².
REVISIONS HISTORY - WSP 1240: 1918-1920(M), 1921, 1922-1925(M), 1936-1938, 1942, 1943-1945(M), 1948. WSP 1440: Drainage area. WSP 1710: 1958, 1959(P).
PERIOD OF RECORD - Discharge records from May 1918 to July 1925 (no winter records), May 1936 to current year. May 1918 to July 1925, monthly mean discharge for some periods published in WSP 1310.
GAGE - Water-stage recorder. Datum of gage is 955.36 ft above National Geodetic Vertical Datum of 1929. Prior to July 5, 1925, and May 28, 1936, to March 26, 1957, non-recording gage, and March 27, 1957, to September 30, 2010, water-stage recorder, all at site 1,500 ft downstream and 1,000 ft below dam. Prior to October 1, 1987, at datum 5.00 ft higher.
COOPERATION - Average pumpage provided by Clarinda Water Treatment Plant.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center. Clarinda municipal water supply is withdrawn from Nodaway River, 500 ft downstream from gage. Average daily pumpage was 1.65 ft³/s.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in August 1903 reached a stage of 25.4 ft, from high-water mark, discharge not determined.
PERIOD OF RECORD - Water years 1977-1992, 2008, 2012 to current year.
NITRATE + NITRITE: May 2012 to current year, records fragmentary.
WATER TEMPERATURE: September 2012 to current year, records fragmentary.