This Makes No Sense At All

Back on the EBRPD Sibley to Tilden Park trail after a couple of weeks of absence, and noticed that they have done their annual trail maintenance. A twelve foot wide swath cleared and about six feet of it scraped with a small tractor down to Old Tunnel Road. Bikes are allowed on that section. After that it is about six to eight feet cleared, and not total scraping. After Fish Ranch Road, EBMUD has also done their annual mowing of a big grassy field that the trail skirts along. Still, this entire trail is still one of the most pristine available in the East Bay. My question - thought is about the effect on the seasonal creek that runs along quite close to the trail for the first mile or so. The creek still has a trickle now, and later in the summer you will notice that it flows in early morning after heavy fog, but is dry in the afternoon. The plowing of the trail pushes berms of dirt right up close to the waterway. Never into it, but a heavy rain would carry a lot of dirt right into ...