After they are down we just need another "100 year flood"?

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History of California floods:


1 1800–1899

1.1 Los Angeles flood of 1825
1.2 January 1850
1.3 Years closely following January 1850
1.4 October 1858: Schooner-beaching storm surge in San Diego
1.5 December 1861 – January 1862: California's Great Flood

2 1900–1949

2.1 1909: California flood
2.2 December 1933 – January 1934: Crescenta Valley flood
2.3 February 1937: Santa Ana flood
2.4 December 1937: Northeast California flood
2.5 Los Angeles Flood of 1938
2.6 September 1939: Los Angeles River

3 1950 – 1999

3.1 November 1950: California flood
3.2 December 1955: California flood
3.3 March 1964: North Coast California tsunami
3.4 December 1964: California flood
3.5 September 1976: Ocotillo flash flood
3.6 January 1982: Northern California flood
3.7 1986 California and Western Nevada floods
3.8 January and March 1995: California flood
3.9 New Year's Day 1997: Northern California flood

4 2000–present

4.1 August 2014: Coastal flooding due to "Big Wednesday" wave action
4.2 January 2017: California flood