Title 42The Public Health and WelfareRelease 119-73

§4004 Definitions applicable to Biggert-Waters Flood Insurance Reform Act of 2012

Title 42 › Chapter CHAPTER 50— - NATIONAL FLOOD INSURANCE › § 4004

Last updated Apr 6, 2026|Official source

Summary

Defines key words used in this part of the law. "100-year floodplain" means land with a 1-percent chance of flooding in any year. "500-year floodplain" means land with a 0.2-percent chance of flooding in any year. "Administrator" means the head of FEMA. "National Flood Insurance Program" means the program set up by the National Flood Insurance Act of 1968. "Write Your Own" means a program where private property and casualty insurers work with the federal insurance agency to sell and handle standard flood insurance policies. If a word is not defined here, use the meaning given in section 1370 of the National Flood Insurance Act of 1968 (42 U.S.C. 4121).

Full Legal Text

Title 42, §4004

The Public Health and Welfare — Source: USLM XML via OLRC

(a)In this subtitle, the following definitions shall apply:
(1)The term “100-year floodplain” means that area which is subject to inundation from a flood having a 1-percent chance of being equaled or exceeded in any given year.
(2)The term “500-year floodplain” means that area which is subject to inundation from a flood having a 0.2-percent chance of being equaled or exceeded in any given year.
(3)The term “Administrator” means the Administrator of the Federal Emergency Management Agency.
(4)The term “National Flood Insurance Program” means the program established under the National Flood Insurance Act of 1968 (42 U.S.C. 4011 et seq.).
(5)The term “Write Your Own” means the cooperative undertaking between the insurance industry and the Federal Insurance Administration which allows participating property and casualty insurance companies to write and service standard flood insurance policies.
(b)Except as otherwise provided in this subtitle, any terms used in this subtitle shall have the meaning given to such terms under section 1370 of the National Flood Insurance Act of 1968 (42 U.S.C. 4121).

Legislative History

Notes & Related Subsidiaries

Editorial Notes

References in Text

This subtitle, referred to in subsecs. (a) and (b), is subtitle A (§§ 100201–100249) of title II of div. F of Pub. L. 112–141, July 6, 2012, 126 Stat. 916, known as the Biggert-Waters Flood Insurance Reform Act of 2012. For complete classification of this subtitle to the Code, see

Short Title

of 2012 Amendment note set out under section 4001 of this title and Tables. The National Flood Insurance Act of 1968, referred to in subsec. (a)(4), is title XIII of Pub. L. 90–448, Aug. 1, 1968, 82 Stat. 572, which is classified principally to this chapter. For complete classification of this Act to the Code, see

Short Title

note set out under section 4001 of this title and Tables. Codification Section was enacted as part of the Biggert-Waters Flood Insurance Reform Act of 2012, and also as part of the Moving Ahead for Progress in the 21st Century Act, also known as the MAP–21, and not as part of National Flood Insurance Act of 1968 which comprises this chapter.

Reference

Citations & Metadata

Citation

42 U.S.C. § 4004

Title 42The Public Health and Welfare

Last Updated

Apr 6, 2026

Release point: 119-73