Title 19Customs DutiesRelease 119-73

§4731 Border water infrastructure improvement authority

Title 19 › Chapter CHAPTER 29— - UNITED STATES–MEXICO–CANADA AGREEMENT IMPLEMENTATION › Subchapter SUBCHAPTER VII— - ENVIRONMENT MONITORING AND ENFORCEMENT › Part Part B— - Other Matters › § 4731

Last updated Apr 6, 2026|Official source

Summary

The EPA Administrator must work with eligible public entities to plan, design, build, operate, and maintain high‑priority treatment systems in the covered area to treat wastewater (including stormwater), nonpoint pollution, and problems from international transboundary water flows that begin in Mexico. Not later than 1 year after January 29, 2020, and annually thereafter, the Administrator must send a report to Congress on these activities. Covered area — the part of the Tijuana River watershed in the United States. Eligible public entities — certain federal agencies, the State of California, and local governments, tribes, regional water boards, or public wastewater utilities with jurisdiction there. Treatment works — has the meaning given in section 1292 of title 33.

Full Legal Text

Title 19, §4731

Customs Duties — Source: USLM XML via OLRC

(a)The Administrator of the Environmental Protection Agency shall, in coordination with eligible public entities, carry out the planning, design, construction, and operation and maintenance of high priority treatment works in the covered area to treat wastewater (including stormwater), nonpoint sources of pollution, and related matters resulting from international transboundary water flows originating in Mexico.
(b)Not later than 1 year after January 29, 2020, and annually thereafter, the Administrator shall submit to Congress a report on activities carried out pursuant to this section.
(c)In this section:
(1)The term “covered area” means the portion of the Tijuana River watershed that is in the United States.
(2)The term “eligible public entities” means—
(A)the United States Section of the International Boundary and Water Commission;
(B)the Corps of Engineers;
(C)the North American Development Bank;
(D)the Department of State;
(E)any other appropriate Federal agency;
(F)the State of California; and
(G)any of the following entities with jurisdiction over any part of the covered area:
(i)A local government.
(ii)An Indian Tribe.
(iii)A regional water board.
(iv)A public wastewater utility.
(3)The term “treatment works” has the meaning given that term in section 1292 of title 33.

Reference

Citations & Metadata

Citation

19 U.S.C. § 4731

Title 19Customs Duties

Last Updated

Apr 6, 2026

Release point: 119-73