IIB 
110TH CONGRESS 
1ST SESSION 
H. R. 813 
IN THE SENATE OF THE UNITED STATES 
OCTOBER 23, 2007 
Received; read twice and referred to the Committee on Energy and Natural 
Resources 
AN ACT 
To amend the Reclamation Wastewater and Groundwater 
Study and Facilities Act to authorize the Secretary of 
the Interior to participate in the Prado Basin Natural 
Treatment System Project, to authorize the Secretary 
to carry out a program to assist agencies in projects 
to construct regional brine lines in California, to author-
ize the Secretary to participate in the Lower Chino Dairy 
Area desalination demonstration and reclamation project, 
and for other purposes. 
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Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Santa Ana River 
Water Supply Enhancement Act of 2007’’. 
SEC. 2. PRADO BASIN NATURAL TREATMENT SYSTEM 
PROJECT. 
(a) IN GENERAL.—The Reclamation Wastewater and 
Groundwater Study and Facilities Act (Public Law 102– 
575, title XVI; 43 U.S.C. 390h et seq.) is amended by 
adding at the end the following: 
‘‘SEC. 16ll. PRADO BASIN NATURAL TREATMENT SYSTEM 
PROJECT. 
‘‘(a) IN GENERAL.—The Secretary, in cooperation 
with the Orange County Water District, shall participate 
in the planning, design, and construction of natural treat-
ment systems and wetlands for the flows of the Santa Ana 
River, California, and its tributaries into the Prado Basin. 
‘‘(b) COST SHARING.—The Federal share of the cost 
of the project described in subsection (a) shall not exceed 
25 percent of the total cost of the project. 
‘‘(c) LIMITATION.—Funds provided by the Secretary 
shall not be used for the operation and maintenance of 
the project described in subsection (a). 
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‘‘(d) AUTHORIZATION OF APPROPRIATIONS.—There 
is authorized to be appropriated to carry out this section 
$20,000,000. 
‘‘(e) SUNSET
OF AUTHORITY.—This section shall 
have no effect after the date that is 10 years after the 
date of the enactment of this section.’’. 
(b) CONFORMING AMENDMENT.—The table of sec-
tions in section 2 of Public Law 102–575 is further 
amended by inserting after the last item the following: 
‘‘16ll. Prado Basin Natural Treatment System Project.’’. 
SEC. 3. REGIONAL BRINE LINES. 
(a) IN GENERAL.—The Reclamation Wastewater and 
Groundwater Study and Facilities Act (Public Law 102– 
575, title XVI; 43 U.S.C. 390h et seq.) is further amended 
by adding at the end the following: 
‘‘SEC. 16ll. REGIONAL BRINE LINES. 
‘‘(a) SOUTHERN CALIFORNIA.—The Secretary, under 
Federal reclamation laws and in cooperation with units of 
local government, may assist agencies in projects to con-
struct regional brine lines to export the salinity imported 
from the Colorado River to the Pacific Ocean as identified 
in— 
‘‘(1) the Salinity Management Study prepared 
by the Bureau of Reclamation and the Metropolitan 
Water District of Southern California; and 
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