What if I told you that there was a water storage and treatment system up in the Gallinas canyon? What if I told you it uses green technology to purify our water with zero consumption of fossil fuels?
Such a treatment plant does exist. It’s called a healthy, natural river and its floodplain.
All you have to do to recognize the treatment plant is to change your mental focus a little.
Riffles in the stream? They’re aerators.