PART 415 — BASIN REGULATIONS—FLOOD PLAIN REGULATIONS [ 18 CFR 415 ]PART415 — BASIN REGULATIONS—FLOODPLAIN REGULATIONS [ 18 CFR 415 ]Table of ContentsGenerally§ 415.1 — Short title.§ 415.2 — Definitions.§ 415.3 — Purpose and findings.Typesof Projects and Jurisdiction§ 415.20 — Class I projects.§ 415.21 — Class II projects.Standards§ 415.30 — Regulations generally.§ 415.31 — Prohibited uses.§ 415.32 — Permitted uses generally.§ 415.33 — Uses by special permit.Administration§ 415.40 — Administrative agency.§ 415.41 — Special permits.§ 415.42 — Technical standards.§ 415.43 — Mapped and unmapped delineations.Enforcement§ 415.50 — General conditions.§ 415.51 — Prior non-conforming structures.§ 415.52 — Violations.Authority: Pub. L. 87–328(75 Stat. 688).Source: 42FR 13541, Mar. 11, 1977, unless otherwise noted.Generally§ 415.1 Short title.This part shall be known and may be cited as the “Flood Plain Reg...