An Act to authorize the conclusion of agreements with Mexico for joint construction, operation, and maintenance of emergency flood control works on the lower Colorado River, in accordance with the provisions of article 13 of the 1944 Water Treaty with Mexico, and for other purposes
PL 88-411 (H.R.7419), enacted 08/10/1964

386 
PUBLIC LAW 88-411-AUG. 10, 1964 
[78 STAT. 
contract entered into after the date of enactment of this Act unless 
the recipient of such payment has agreed to the modification of any 
contract which was entered into prior to the date of enactment of this 
Act and to which such recipient was a party, and which, if modified 
under the authority of this section, would result in a payment to the 
United States. 
Approved August 10, 1964. 
August 10, 1964 
[H. R. 7419] 
Public Law 88-411 
AN ACT 
To authorize the conchision of agreements with Mexico for joint construction, 
operation, and maintenance of emergency flood control works on the lower 
Colorado River, in accordance with the provisions of article 13 of the 1944 
Water Treaty with Mexico, and for other purposes. 
Mexico-U.S. 
flood control. 
59 Stat. 1241. 
Appropriation. 
Be it enacted hy the Sertate and Houae of Representatives 
of the 
United States of America in Congress assembled^ That the Secretary 
of State, acting through the ITnited States Commissioner, Interna-
tional Boundary and Water Commission, United States and Mexico, 
is authorized to conclude, with the appropriate official or officials of the 
Government of Mexico, agreements for emergency flood control meas-
ures of international character in the reaches oi the lower Colorado 
River between Imperial Dam and the Gulf of California, in both the 
United States and Mexico, such agreements to provide: (a) for the 
joint clearing and maintaining free of trees and brush the bed and 
banks of the channel; for removing sediment deposits from the river 
channel; and (b) for corrective actions to guard against sedimenta-
tion and consequent aggradation of the river channel incident to 
(lesilting operations at diversion dams in the two countries: Provided, 
That, prior approval of the Secretary of the Interior is required of any 
proposed agreement with Mexico under clause (b) of this section 
which would involve construction and/or operation of w^orks on the 
Colorado River in the United States under the jurisdiction of the 
Secretary. The measures contemplated herein are for the purpose of 
controlling floods on the lower Colorado River in accordance with 
article 13 of the 1944 Water Treaty with Mexico, and accomplish-
ment thereof by the International Boundary and Water Commission, 
United States Section, would be in accord with the Memorandum of 
Understanding "as to Functions and Jurisdiction of Agencies of the 
United States in Relation to the Colorado and Tijuana Rivers and the 
Rio Grande Below Fort Quitman, Texas, Under Water Treaty Signed 
at Washington, February 3, 1944,'' between the Department of State 
and the United States Section, International Boundary and Water 
Commission, and the Department of the Interior dated February 14, 
1945. 
SEC. 2. The United States Commissioner, International Boundary 
and Water Commission, United States and Mexico, is authorized to 
carry out those measures agreed upon for execution by the United 
States in the agreements concluded pursuant to section 1 of this Act. 
SEC. 3. There is authorized to be appropriated to the Department of 
State for use of the United States Section, International Boundary 
and Water Commission, United States and Mexico, not in excess of 
$300,000 for the initial cost of the work authorized in this Act, and not 
to exceed $20,000 annually thereafter for necessary maintenance. 
Approved August 10, 1964.