Could these deflect flooding in San Marco, Riverside and McCoy's Creek? Interesting article.
https://www.msn.com/en-us/weather/topstories/sewers-are-overflowing-everywhere-one-solution-is-right-in-your-backyard/ar-AA1lh3dk?ocid=msedgntp&pc=SCOOBE&cvid=e388ee6ed35d441f8fc9aff25ee54d8a&ei=148
Yes... check this out... San Marco may be one huge rain garden though... ;) :D
https://www.epa.gov/soakuptherain/soak-rain-rain-gardens#:~:text=A%20rain%20garden%20is%20a,reduce%20runoff%20from%20your%20property.
And this...
https://groundwater.org/rain-gardens/
I know the Emerald Trail will have these. They also have them scattered around Boone Park.
It looks like they not only collect rainwater, but the plantings could reduce carbon footprints and reduce heat sinks in urban areas. Maybe some could even grow produce for the food supply. Basically, urban farming and forestry.
We should line our roadways with these as well.
Imagine if all impermeable surfaces were appropriately offset by this option.
The lower the land elevation, the more prone to flooding.
Duval County is essentially a " Wetland".
See FEMA mapping. Etc.