Notice: The uscode.house.gov website is currently operating in a temporary format. While the United States Code remains available from its authoritative source, some website features and functionality are temporarily unavailable.
The United States Code Online is current through Public Law 119-120 (October 7, 2026).
Search & Browse Currency and Updating Classification Tables Popular Name Tool Positive Law Codification Editorial Reclassification Downloads
43 U.S.C. 421a: Construction of distribution and drainage systems by irrigation districts or public agenciesText contains those laws in effect through Public Law 119-120 (October 7, 2026).
From Title 43-PUBLIC LANDSCHAPTER 12-RECLAMATION AND IRRIGATION OF LANDS BY FEDERAL GOVERNMENT
Jump To: Source CreditEditorial NotesAmendments

§421a. Construction of distribution and drainage systems by irrigation districts or public agencies

Distribution and drainage systems authorized to be constructed under the Federal reclamation laws may, in lieu of construction by the Secretary of the Interior (referred to in sections 421a to 421h of this title as the “Secretary”), be constructed by irrigation districts or other public agencies according to plans and specifications approved by the Secretary as provided in sections 421a to 421h of this title. The drainage systems referred to in sections 421a to 421h of this title are those required for collection and removal of excess irrigation water, either on or below the surface of the ground and do not include enlargement or alteration of existing waterways for disposition or natural runoff.

( July 4, 1955, ch. 271, § 1 , 69 Stat. 244 ; Pub. L. 92–487 , Oct. 13, 1972 , 86 Stat. 804 .)

Editorial Notes

Amendments

1972⁠—Pub. L. 92–487 substituted provisions relating to construction of distribution and drainage systems, for provisions relating to construction of irrigation systems, and inserted provisions setting forth the type of drainage systems subject to coverage of sections 421a to 421h of this title.