Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

Water-Year Summary for Site 06609500

Click to hide Water-Year Summary instructions and information
  • 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.
Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
Print this page
USGS Water-Year Summary 2023
06609500 Boyer River at Logan, IA
LOCATION - Lat 41°38'30.1", long 95°46'56.4" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 NW 1/4 sec.19, T.79 N., R.42 W., Harrison County, IA, Hydrologic Unit 10230007, on left bank on downstream side of bridge on 8th Street in Logan, 0.5 mi downstream from Elk Grove Creek, 10.4 mi upstream from Willow Creek, and 15.7 mi upstream from mouth.
DRAINAGE AREA - 871 mi².
REVISIONS HISTORY - WSP 956: 1938-1939. WSP 1240: 1918-1919, 1920(M), 1921, 1922(M), 1924-1925, 1938(M), 1945. WSP 1440: Drainage area.
Revisions: Gage datum was updated to 1,010.50 ft NAVD88 on July 27, 2023, as determined by a GNSS Level II survey. Gage datum was previously published as 1,009.38 ft NGVD29 from levels.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from May 1918 to July 1925, November 1937 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 1,010.50 ft. above NAVD of 1988. Prior to April 17, 1925, November 4, 1937, to March 16, 1952, and October 1, 1957, to October 18, 1960, non-recording gage at same site and datum; April 17 to July 1, 1925, non-recording gage at site 300 ft downstream at same datum; March 17, 1952, to September 30, 1957, non-recording gage at site 400 ft upstream at bridge on U.S. Highway 30 at same datum. Supplementary water-stage recorder operating above 4.80 ft gage height from October 22, 1946, to October 7, 1954, at site 100 ft upstream, and from October 8, 1954, to October 18, 1960, at same site, both at same datum.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 2004 to 2014.
PERIOD OF DAILY RECORD -
SUSPENDED-SEDIMENT DISCHARGE: April 1939 to September 1951, records provided by U.S. Army Corps of Engineers.