USGS Water-Year Summary for Site 05412500

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	Available Parameters
	00010 Temperature, water(Mean)
	00060 Discharge(Mean)
	00665 Phosphorus, wu(Mean)
	72213 Turbidity, 90&0-45 d(Mean)
	83554 NO3+NO2, w, total(Mean)
	91007 Phosphorus, wu(Mean)
	99133 NO3+NO2,water,insitu(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

05412500 Turkey River at Garber, IA

LOCATION - Lat 42°44'24", long 91°15'42" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 NW 1/4 sec.36, T.92 N., R.4 W., Clayton County, IA, Hydrologic Unit 07060004, on right bank on downstream side of bridge on County Highway C43, at southern edge of Garber, 800 ft upstream from Wayman Creek, 2,000 ft downstream from Elk Creek, 1.0 mi downstream from Volga River, and 21.2 mi upstream from mouth.

DRAINAGE AREA - 1,545 mi².

REVISIONS HISTORY - WSP 1308: 1922-1925(M), 1927(M). WSP 1438: Drainage area.
Revisions: Datum was revised to 638.88 ft above NAVD88 as determined by a GNSS Level II survey. Datum was previously published in error as 634.46 ft above NGVD29.

SURFACE-WATER RECORDS

PERIOD OF RECORD - Discharge records from August 1913 to November 1916, May 1919 to September 1927, April 1929 to September 1930, October 1932 to current year. Prior to December 1932, monthly mean discharge for some periods published in WSP 1308.

GAGE - Water-stage recorder. Datum of gage is 638.88 ft above North American Vertical Datum of 1988. Prior to February 7, 1935, non-recording gage at same site and datum.

REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.

EXTREMES OUTSIDE PERIOD OF RECORD - Since at least 1890, no flood outside the period of record exceeded that of February 23, 1922, gage height 28.06 ft. Flood of May 18, 1902, reached a gage height of 23.70 ft, discharge about 25,000 ft³/s.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Discrete water-quality records published in annual water-data reports for water years 1958-1962, 2004-2013.

PERIOD OF DAILY RECORD -
NITRATE + NITRITE: May 2013 to current year, records fragmentary.
WATER TEMPERATURE: Daily instantaneous values collected in conjunction with suspended-sediment samples, October 1957 to September 1962, records fragmentary. Daily mean, May 2012 to current year, records fragmentary.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: October 1957 to September 1962.