The “Atmospheric River” last week brought our wetlands to raucous life, as see. The water shows how the Valley’s flood control system, designed by the Army Corps, operates.


The landscape here is not at all natural; it is what has resulted after 80 years of experimental terra-forming, which only in the last five years, and with much hard work and re-directing failed plans, has turned the place into “beautiful.”

The levee holding Tujunga Creek 
…a mile of rip-rap bound by chain link.

The flood plain: the Valley 

Much of the former lake-bed turns into a seasonal wetland, and a de-facto riparian wildlife refuge, more or less contiguous with its mountain watershed. For years, drought dried the lake up, and it gave off an unholy chemical stink (not just the Cottonwoods.) TONS of invasive plants choked out everything, and there were more-or-less permanent hobo jungles in the tules. It was a bizarre place to hike. It’s much better now.

Throughout the 1930s, when NoHo and Studio City were booming, weeks of rain like we just could send rampaging floods of turbulent mud rushing out of Big Tujunga Canyon, carrying boulders, whole orchards, tree trunks and Valley houses away down the LA River, tearing out bridges and the Pacific Electric tracks. The Hansen Dam changed all that, and gave the Valley something to crow about:






