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The data is used for river modeling to help determine release levels at the dams along the river . The most significant achievement of those early years may have been Brown 's development of the Bear Valley Dam above Redlands . Again in violation of the Indus Basin agreement India has built dams over rivers Chenab and Jhelum . Fishing communities have been based here for over a century but traditional knowledge about the local ecology and fishing practices is disappearing as a result of environmental change from the 1994 Pak Moon River Dam in particular and globalisation more generally . The proliferation of dams along the river barred shad from their spawning grounds upstream , and decimated their population . In early December , Chen Tao , one of tens of thousands of farmers who demonstrated against the construction of a dam in Sichuan in December 2005 , was secretly executed . We made the biggest dam that they made in this part of the country right in Salina Canyon . Dams along the Columbia River , for example , supply regional utilities with virtually inexhaustible power . The first remark came in a speech at Redding , California , where Truman criticized the water control policies of the Republicans and made reference to the dam that he himself had renamed in honor of Hoover . The construction of the Ambuklao and Binga dams along the Agno River has had serious impacts on the life and development of the Ibaloy people living in the Agno River Basin . And should the canal commissioners be of the opinion that the construction of the said canal will injure the hydraulic privileges at Rochester , then they are required to connect the said canal with the Genesee river , above the feeder dam above Rochester , and from thence to construct a navigable canal to the Erie canal , or improve the Erie canal feeder from this place , as may best promote the public interest . Shortly after the closure of the dam in early 1998 , villagers began suffering increasingly severe impacts to their livelihoods from the project . These data suggest that some contaminants may be accumulating behind dams over time . This brings us to the question : Is it worth the country ’ s troubles to cause the fatal uprooting of entire villages ( many of them indigenous Igorot communities ) , to wreak long-term and extensive ecological damage to a beautiful river valley , and to spend billions of pesos borrowed from foreign banks , for which the next several generations will have to pay the price just to build a dam that cannot assure sustained service even only for the lifespan of the present generation ? Under the size criteria adopted by the SCS , dams over 35 feet high and those with a product ( storage times the height of the dam ) of 3000 or more are subject to the more stringent requirements of SCS Technical Release 60 . On behalf of the Pehuenche families in Chile , CIEL filed a petition in December 2002 to the Inter-American Commission on Human Rights seeking reparations because their human rights were being violated by the construction of several dams along the Bio-Bio River . Yet a major Canadian company , Fortis Inc ., has begun building a hydroelectric dam that , if completed , would flood 22 miles of this tropical rainforest , destroying more than 2,000 acres of pristine habitat . In addition , the commenter pointed out , they were developed as part of a review of national policy for thousands of major structures creating potential risks comparable to those of the earthen embankment Teton Dam in Idaho , which failed in 1976 . The total number of dams over 15 metres high built since 1950 is said to be in excess of 30,000 world wide ( Schnitter , 1994 ) . With some outside support , the people of Sukhomajri constructed a small earth dam above a gully head , thus collecting rainwater that could irrigate the village .