USGS Water-Year Summary 2020
07138050 AMAZON GREAT EASTERN DITCH NEAR LAKIN, KS
LOCATION - Lat 37°53'50", long 101°26'27" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 NE 1/4 sec.12, T.25 S., R.38 W., Kearny County, KS, Hydrologic Unit 11030001, about 0.45 mi downstream of the diversion structure on the Arkansas River and about 9.5 mi west and 2.3 mi south of Lakin.
PERIOD OF RECORD - April 2004 to August 2010, July 2011 to current year (seasonal records only) . Prior to October 2006, discharges less than 11 ft³/s have been found to be unreliable and should not be used.
GAGE - Water-stage recorder and Parshall flume. Datum of gage is 3,075.55 ft above NGVD of 1929. May 1999 to March 2004, stage only gage at same site and datum.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 388 ft³/s (estimated), July 11, 2010; no flow many days each year.