U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 23Chapter IPart 650Subpart A - Subpart A—Location and Hydraulic Design of Encroachments on Flood Plains
§ 650.101 - Purpose.
§ 650.103 - Policy.
§ 650.105 - Definitions.
§ 650.107 - Applicability.
§ 650.109 - Public involvement.
§ 650.111 - Location hydraulic studies.
§ 650.113 - Only practicable alternative finding.
§ 650.115 - Design standards.
§ 650.117 - Content of design studies.
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