In general, the City's Floodplain Regulations (PDF 14MB, 60 pages) are stricter for new structures and residential buildings than for existing structures and commercial buildings. Contact Utilities before undertaking any construction (new development, additions, remodels, filling, grading, etc.) on a building or property located in a regulatory floodplain to determine specific floodplain requirements.
Different floodplains have different regulations. A floodplain use permit is required for all construction in the floodplain.
The regulations are designed to:
Two guides help explain portions of the regulations:
