freeboard Maven May 5, 2020 « Back to Glossary IndexFreeboard is the term for the height of the physical top of a levee or floodwall above the median design water surface elevation. Related Articles: SGMA: Update on basins subject to State Board intervention, plus new BMP and land subsidence regulation in the worksNOTEBOOK FEATURE: Fixing California Aqueduct subsidence: A multi-billion dollar problemUSBR: Fortifying B.F. Sisk Dam and San Luis Reservoir against the power of an earthquakeMETROPOLITAN WATER DISTRICT: Subsidence of the California Aqueduct in the San Joaquin ValleyBAY DELTA SCIENCE CONFERENCE: Restoration in the Cache Slough Complex: The Yolo Flyway Farms Restoration Project« Back to Glossary Index