It appears we have devolved such that a single year’s rainfall decides to come in a matter of days. You look out the window at another wet day, you start to think, “GEE that’s a lot of clean water falling from the sky that will go down the streets and gutters and storm drains right out to the bay”.
And you want that water out of your way, of course, and off your driveway and lawns and schoolyards so you’re grateful for the drains and the pavement. But you also have in the back of your head this nagging sensation that “I bet we’re going to miss that water in July when we the entire Bay Area is looking like dehydrated fruit” Or maybe “Burning up entirely.”
Then one suddenly has a thought “Hey wouldn’t it be cool if there was some way to keep that water in the communities where it’s needed before it disappears out to sea? Like some kind of natural little water holding structures that slowed things down and helped the water seep into the soil and soak into the ground where it can stay cool til we need it later?“.
I know it sounds crazy, but I’ve read that we used to have lots and lots of these things that made little ponds all along our streams. Like some kind of natural champagne fountain constantly trickling down all the stacked glasses so that no cup ever went dry even when it was far, far away from the original bottle.
We used to have this: