Proper drainage is critical for preventing erosion. The primary goal is to direct rain water to natural drainages and/or storm drains and pipes. Allowing water to run freely and unchecked is a recipe for major erosion.
A vegetated slope is less likely to be subject to erosion. Vegetation helps to protect the soil from the direct impact of falling rain drops. A sloped area may have shallow soils, so one must be careful in selecting the correct vegetation and planting at the appropriate time of year. Low-growing ground cover is good for placing on slopes. Oak trees (with their deep roots and large canopy) can also protect sloped areas.
Oakland Public Works has a hotline number to assist with storm drains and runoff from winter storm conditions. Please call (510) 444-CITY (2489) or “Report a Problem” online at www.oaklandnet.com/oakshines/HTML/report2.cfm . You can also call to report a problem with Storm Drain Maintenance (of the Public Works Agency) at (510) 482-7853.
Sand Bags and Sheeting available for homeowners
City of Oakland Public Works Maintain-A-Drain program has useful information for any resident who wants to help prevent flooding, due to heavy winter rains.
http://www.oaklandpw.com/Page292.aspx
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