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LOCATION.--Lat 44° 01'06", long 111° 34'00", in NW1/4 SE1/4 sec.13,
T.8 N., R.41 E., Fremont County, Hydrologic Unit 17040203, on right bank,
0.2 mi upstream from highway bridge, at mile 0.8, and 1.5 mi north of Chester.
DRAINAGE AREA.--520 mi2, approximately. Mean elevation, 6,970 ft.
PERIOD OF RECORD.--April 1920 to current year (irrigation seasons only prior
to 1962). Prior to October 1959, published as "Fall River near Chester".
REVISED RECORDS.--WSP 1217: Drainage area.
GAGE.--Datum of gage is 5,051.9 ft above NGVD of 1929. Prior to Aug. 9, 1920,
nonrecording gage at site 200 ft downstream at same datum. Aug. 9, 1920 to
Apr. 28, 1921, nonrecording gage at present site and datum.
REMARKS.--Flow since October 1939 partly regulated by Grassy Lake.
Diversions above station for irrigation of about 4,600 acres above station
and about 36,000 acres in adjacent basins (1966 determination).
Station is below all diversions from Falls River.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge recorded, 7,730 ft3/s
June 9, 1981, gage height, 7.83 ft;
maximum gage height, 7.93 ft, Jan. 18, 1966, backwater from ice;
minimum recorded, 7.0 ft3/s June 27, 1961, gage height, 0.74 ft.
Station operated in cooperation with Water District No.1.
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