Confluence of Arroyo San Pablo (20901) with Arroyo Tecate (31403).

Table E-1.  Design flood hydrographs for the channelization project.

Upstream of the projectDownstream of the project
2-yr frequency 2-yr frequency
5-yr frequency 5-yr frequency
10-yr frequency 10-yr frequency
25-yr frequency 25-yr frequency
50-yr frequency 50-yr frequency
100-yr frequency 100-yr frequency
200-yr frequency 200-yr frequency
500-yr frequency 500-yr frequency
1000-yr frequency 1000-yr frequency