Build the dike at least one foot higher than the projected crest level to allow for fluctuations in the water level. Local experience will assist in determining the amount of freeboard to provide.
FAQ #26059
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How much freeboard height should be provided with a sandbag dike or other flood protection?
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- Build a flood dike 4-minute demonstration by Dr. Ken Hellevang, North Dakota State University Extension Engineer.
- Coastal Hazards documents in the National Sea Grant Library.
- FloodSmart.gov is the official National Flood Insurance Program Web site. Can flooding affect your community?
- DisasterAssistance.gov consolidates disaster assistance information on one Web site.
- Snow/Ice preparedness information.
- Influenza preparedness information.