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Last modified
1/26/2010 2:56:53 PM
Creation date
10/12/2006 4:03:02 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8270.100
Description
Colorado River Basin Water Quality/Salinity -- Misc Water Quality
Basin
Colorado Mainstem
Water Division
5
Date
3/1/1989
Author
USDOI
Title
Quality of Water - Colorado River Basin - Progress Report No. 14 - January 1987
Water Supply Pro - Doc Type
Report/Study
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<br />plan of implementation were four salinity control units and possibly <br />additional units, the application of effluent limitations, the use of saline <br />water whenever practicable, and future studies. The standards are to be <br />reviewed at 3-year intervals. All of tile Basin States adopted the 1975 Forum <br />recommended standards. <br /> <br />..... <br /><0 <br />CJ1 <br />W <br /> <br />The Colorado River Basin Salinity Control Act of 1974 (Public Law <br />93-320) provided the means to comply with United States ohligations to Mexico <br />which included as a major feature a desalting plant and brine discharge canal. <br />These facilities will enable the United States to deliver water to Mexico <br />having an average salinity no greater than 115 parts per million (ppm) ~ 30 <br />ppm (United States' count) over the annual average salinity of the Colorado <br />River at Imperial Dam. The Act also authorized construction of 4 salinity <br />control units and the expedited planning of 12 other salinity control projects <br />above Imperial Dam as part of the basinwide salinity control plan. <br /> <br />In 1987, the Forum reviewed the salinity standards and recommended <br />continuing the construction of 3 of the 4 salinity control units and 10 of the <br />12 projects identified in the 1974 Act, the placing of effluent limitations on <br />industrial and municipal discharges, and the reduction of the salt loading <br />effects of irrigation return flows. The plan also called for the inclusion of <br />water quality management plans to comply with Section 208 provisions after the <br />adoption of the plans by the States and approval by EPA. It also contemplated <br />the use of saline water for industrial purposes and future salinity use <br />control methods. <br /> <br />Public Law 98-569, signed October 30, 1984, amends Public Law <br />93-320. The Colorado River Basin Salinity Control Act, as now amended, <br />provides the authority for the pursuit of salinity control measures, primarily <br />by the Department of the Interior and the Department of Agriculture, that will <br />allow for the necessary salinity controls on the river to be put in place <br />through the year 2000. It will insure, if implemented, compliance with the <br />numeric cri teria 100 percent of the time, utilizing mean hydrology through the <br />year 2010. <br /> <br />The 1974 Act has required that there be repayment for the units <br />authorized in Public Law 93-320 in the amount of 25 percent over 50 years <br />without interest. PubliC' Law 98-569 directs the Secretary of Agriculture to <br />target for 30 percent local cost sharing for the implementation of on-farm <br />improvement programs. Additionally, 30 percent of the balance of the <br />Department of Agriculture's cost-share program and 30 percent of the costs of <br />the Department of the Interior's newly authorized programs will be reimbursed <br />to the Federal treasury by the 7 Basin States. <br /> <br />C. Participants in the Salinity Control Program <br /> <br />Reclamation was delegated the coordinating role for the Secretary of <br />the Interior;' and the Colorado Ri ver Salini ty Program Coord ina tor, was <br />appointed the designated salinity control liaison officer for the Department <br />of the Interior. As liaison officer, he coordinates the overall salini ty <br />control program with the u.s. Department of Agriculture (USDA), the <br />Environmental Protection Agency (EPA), the Colorado River Basin Salinjty <br />Control Advisory Council, and the Colorado River Basin Salinity Control Forum <br />(Forum). <br /> <br />1-4 <br />
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