[Redrum]

Almost all major rainwater infrastructure is designed to move water away fast and prevent floods.  Some groundwater charging might take place in the outlying areas,  like the San Gabriel river near Irwindale,  but SoCal not set up for storage like the rest of the state.

[Redrum]

Almost all major rainwater infrastructure is designed to move water away fast and prevent floods.  Some groundwater charging might take place in the outlying areas,  like the San Gabriel river near Irwindale,  but SoCal not set up for storage like the rest of the state.