What
is a watershed?
A watershed is an area of land over which water flows. Watersheds are delineated by topography; ridges and valleys. An example is the San Lorenzo Creek watershed, seen on the attached map (366 Kb)* . There are many small watersheds in the San Francisco Bay Area. The Bay Area is also considered a large watershed with all the water draining into the San Francisco Bay.
The Unincorporated Area of Alameda County has displayed signs depicting the boundaries of the San Lorenzo Creek Watershed, seen on the attached example (21 Kb)*.
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Keeping Creeks Clean
creek
photo (347 Kb)*
Volunteer to clean a creek (152 KB)*
Alameda County is installing new strom drian markers, see example here
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| Doing Business and Preventing
water pollution
Alameda County inspects businesses on a regular basis to ensure water quality practices are followed. If you suspect a business is polluting creeks or the Bay, contact us. |
Contact us:
Alameda County Public Works Agency
Development Services Department
Clean Water Division
951 Turner Court, Room 300
Hayward, CA 94545
phone: 510-670-5543
fax: 510-670-5262 |
Call to report a spill or other
pollution that could harm creeks
510-670-5500 |
Futher links on
Water Quality:
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