Code of Federal Regulations > Title 7 > Chapter VI > Part 621 - PART 621—RIVER BASIN INVESTIGATIONS AND SURVEYS

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

Subpart A [§ 621.1 - § 621.2] - Subpart A—General

Subpart B [§ 621.10 - § 621.14] - Subpart B—USDA Cooperative Studies

Subpart C [§ 621.20 - § 621.25] - Subpart C—Floodplain Management Assistance

Subpart D [§ 621.30 - § 621.34] -

Subpart E [§ 621.40 - § 621.45] - Subpart E—Interagency Coordination