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Water-Year Summary for Site USGS 07369700

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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
00060 Discharge(Mean)  
00065 Gage height(Mean)  

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

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USGS Water-Year Summary 2020
07369700 Bayou Macon near Kilbourne, LA
LOCATION - Lat 32°59'35", long 91°15'45" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.8, T.23 N., R.12 E., East Carroll Parish, LA, Hydrologic Unit 08050002, near center of channel on downstream side of bridge on State Highway 585, 0.8 mi south of Arkansas-Louisiana State line and 3.3 mi east of Kilbourne.
DRAINAGE AREA - 504 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1957 to September 1968. October 1968 to September 1973 (annual maximum gage height and discharge below 200 ft³/s only). October 1973 to September 1986; daily gage heights and daily discharges below 200 ft³/s only. November 2011 to current year. 
GAGE - Water stage recorder. Datum of gage is 72.86 ft above NAVD of 1988. From Oct. 1, 1965 to Nov. 2, 2011, datum of gage was 75.41 ft above National Geodetic Vertical Datum of 1929 (Corps of Engineers bench mark). Prior to Oct. 1, 1965, datum at 77.41 ft above National Geodetic Vertical Datum of 1929.
REMARKS - No discharge computed above 200 ft³/s because of backwater conditions at the site. Records fair. Large diversions above station for irrigation. Interconnecting system of bayous and drainage ditches produces an interchange of flow under varying conditions; hence, the drainage limits were more or less arbitrarily determined. Several measurements of water temperature were made during the year.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,740 ft³/s May 5, 1958; maximum gage height, 29.00 ft (present datum), Mar. 17, 1973; no flow June 11, 1963, result of pumping for irrigation.
AVERAGE DISCHARGE FOR PERIOD OF RECORD - 11 years (water years 1958-68), 508 ft³/s, 368,000 acre-ft/yr.