An Act authorizing maintenance of flood and arroyo sediment control dams and related works to facilitate Rio Grande canalization project and authorizing appropriations for that purpose
PL 88-600 (S.2370), enacted 09/18/1964

956 
PUBLIC LAW 88-600-SEPT. 18, 1964 
[78 STAT. 
Appropriation. 
Q^^ 4 There RFe hereby authorized to be appropriated for con-
struction of the new works involved in the Whitestone Coulee unit, of 
the Okanogan-Similkameen division of the Chief Joseph Dam project 
$5,312,000, plus or minus such amounts, if any, as may be required by 
reason of changes in the cost of construction work of the types involved 
therein as shown by engineering cost indices and, in addition thereto, 
such sums as may be required to operate and maintain said division. 
Approved September 18, 1964. 
September 18, 1964 
[S. 2370] 
Public Law 88-600 
AN ACT 
Authorizing maintenance of flood and arroyo sediment control dams and related 
works to facilitate Rio Grande canalization project and authorizing appropria-
tions for that purpose. 
Rio Grande ca-
nalization project. 
Flood and sedi-
ment control. 
Agreements au-
thorized. 
Appropriation. 
Be it enacted hy the Senate and House of Re'presentatives of the 
United States of America in Congress assembled^ That for the purposes 
of facilitating and implementing operation and maintenance of the 
international Rio Grande canalization project, the United States Com-
missioner, International Boundary and Water Commission, United 
States and Mexico, is authorized to enter into agreements with the 
appropriate official or officials of local organizations, as defined in the 
Watershed Protection and Flood Prevention Act of August 4, 1954 
(70 Stat. 1088), as amended (16 U.S.C.A. 1001, et seq.), for the mainte-
nance by said local organizations either directly or indirectly through 
mutually satisfactory maintenance agreements with others, including 
the United States, of all those flood and arroyo sediment control dams, 
together with all related works, hereafter installed or constructed in 
the Rio Grande watershed between Caballo Dam and El Paso, Texas, 
in accordance with said Act, and which are necessary, in the opinion 
of said Commissioner, to facilitate and implement the operation and 
maintenance of said project. 
Such maintenance agreements between the local organization and 
Hie United States shall provide the extent of contribution by the 
United States as may be mutually agreed b^ the two parties, based on 
the degree of benefits to be derived from said dams and related works, 
and the contribution by the United States ma^ be either in the form 
of funds or performance of the actual operation and maintenance. 
Control gates shall not be installed on any of the dams which, in the 
opinion of the United States Commissioner, International Boundary 
and Water Commission, United States and Mexico, are necessary to 
facilitate and implement the operation and maintenance of the Rio 
Grande canalization project. 
Arrangements made between the United States and the local orga-
nizations shall be satisfactory to the Secretary of Agriculture for 
defraying cost of maintaining such work of improvement in accordance 
with regulations prescribed by said Secretary. 
There is hereby authorized to be appropriated not in excess of 
$23,000 per annum for contributions to maintenance authorized by this 
Act. 
Approved September 18, 1964.