FLOOD10337

• County: Weld
• Stream Name: South Platte River
• Basin: South Platte
• Title: Special Flood Hazard Information Report - South Platte River - Weld County, CO.
• Date: 4/1/1977
• Prepared For: CWCB
• Prepared By: USACE
• Floodplain - Doc Type: Floodplain Report/Masterplan

Ga~e Location

Henderson

Fort Lupton

Kersey

Sublette

We I dona

Table 2
South Platte River Stream Gage Data In
Weld County, Colorado

Drainaqe Area
(square miles)

Period of Record

4,713

May 1926 to present except
for a period between 22 June
1941 and 26 April 1942.

1929 through 1957 except
for a period between 31 May
1934 and I June 1935, I June
1935 and 4 August 1936 and
22 June 1947 and 31 May
1948.

1902 to the present except
for a period between 7 June
1921 and 13 December 1921,
II June 1923 and 7 June
1924, and 31 May 1935 and 5
August 1936.

1926 through 1955 except
for a period between 5 June
1928 and 16 August 1930, 24
June 1941 and 19 May 1944,
and 26 April 1948 and 16
June 1949.

1953 to the present.

5,010

9,598

12,170

13,245

Information on past floods was obtained from Corps of Engi-
neers flood records. The photograph base for the flooded areas
are aerial photographs taken during the flood period in May 1973
by the Colorado Water Conservation Board and the Corps of Engineers.
Cross section data uti lized in this study was supplied by the
Corps of Engineers. High water mark data from the flood of May
1973 was coordinated and obtained in part by the Colorado Water
Conservation Board with supplemental information by the Corps of
Engineers, the U. S. Geological Survey, and the Bureau of Reclama-
tion. U. S. Geological Survey 7.5 minute quadrangle maps with
10 foot contour intervals were also used in the study.

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