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Show tion. Incidental benefits to navigation, water sup- ply, and other functions will result from low-flow regulation. The reservoirs under construction have estimated annual carrying charges of 13.7 million dollars, of which $60,000 is non-Federal. Their annual eval- uated benefits total 22.5 million dollars, as follows: flood control benefits, 11.3 million dollars; power, 10.2 million dollars; and low flow regulation and other benefits, 1 million dollars. The total estimated cost of 45 authorized res- ervoirs on which construction has not yet been started, based upon 1949 prices, is 677 million dol- lars, of which 3.5 million dollars is non-Federal. Preliminary allocation of non-Federal costs on these projects is 2.1 million dollars for low flow regula- tion, and 1.4 million dollars for recreation, fish and wildlife, and other purposes. The Federal portion of the cost has been tentatively allocated as follows: 559.1 million dollars for flood control; 90 million dollars for hydroelectric power; and 24.1 million dollars for low-flow regulation. Incidental benefits to navigation, water supply, conservation, and other functions will result from low-flow regulation. These data are summarized in table 12. Local Flood Protection Program The local flood protection program provides flood protection at localized urban and rural areas, both independent of and integral with the reservoir program, by means of levees, flood walls, channel improvements, and similar measures. Of the 240 projects included in the authorized program, 29 have been completed at a cost of 80 million dollars, of which 6 million dollars (7.5 percent) was non- Federal. These completed local protection projects have estimated annual carrying charges of 3.5 million dollars, of which 2.9 million dollars is Federal and $600,000 is local. The estimated annual evaluated benefits are 11.7 million dollars, all for flood control. There are 23 additional projects now under con- struction which are estimated to cost 115 million dollars, 8.9 million dollars (7.4 percent) of which is non-Federal. These projects have estimated an- nual carrying charges of 5.2 million dollars, of which 4.2 million dollars is Federal and 1 million dollars is local. The estimated annual evaluated benefits are 8 million dollars, all for flood control. The 188 projects which have not yet been started are estimated to cost 523 million dollars, based upon 1949 prices, of which 89 million dollars is non- Federal. Maintenance and operation of com- pleted local protection projects is the responsibility of local agencies. These data are summarized in the following sum- mary of the local flood protection program. Completed projects Projects under construction Projects not yet started Total authorized flood protection program 1. Number of projects...... 29 23 188 240 2. Total cost (millions of dollars): Federal flood control. Non-Federal flood control........ 74.0 6.0 106.1 8.9 434.0 89.0 614.1 103.9 Total........... 80.0 115.0 523.0 718.0 3. Annual charges (millions of dollars): Federal............ 2.9 .6 4.2 1.0 0) C1) Non-Federal........ Total............ 3.5 5.2 4. Annual benefits (millions of dollars)............ 11.7 8.0 (2) 1 Not estimated. Annual charges and benefits were estimated for the authorized programs at the time of preparation. These have not been revised as yet. 2 Not evaluated. See footnote 1. Navigation Program The navigation program provides for canaliza- tion of the Ohio River and 10 major tributaries, including the Tennessee River, by means of locks and dams, and for the production of hydroelectric power. The completed navigation projects in- clude locks and dams at 137 locations, providing 2,984 miles of canalized waterway at a total cost of 356.3 million dollars, all Federal. 657 |
