News Releases Oro Loma And Castro Valley Sanitary Districts Approve $6.8M Contract For Experimental Levee And Wetlands March 4, 2015 EmailTwitterLinkedinFacebookWhatsAppReddIt SAN LORENZO, Calif.– Construction will begin this month on a first-of-its-kind levee and wetlaThank you for your interest in The Registry. You must Subscribe or Log In to read the rest of this content. West Coast Commercial Real Estate News