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US. Globall Change e esean,::[° IPirogirarn <br />48 <br />Global Climate Change Impacts in the United States <br />capacity. These systems are thus able to cope with small changes in average conditions.17' Water resource <br />planning today considers a broad range of stresses and hence adaptation to climate change will be one factor <br />among many in deciding what actions will be taken to minimize vulnerability .172 -1.4 <br />Damage to the city water system in Asheville, <br />North Carolina, due to heavy rain in 2004. <br />Potential Water Supply Conflicts by 2025 <br />+Conffirp, PoenglaI­ rHighly L&Wy <br />L)SI.. fR171 <br />The map shows regions in the West where water supply conflicts are likely to occur <br />by 2025 based on a combination of factors including population trends and potential <br />endangered species' needs for water. The red zones are where the conflicts are <br />most likely to occur. This analysis does not factor in the effects of climate change, <br />which is expected to exacerbate many of these already- identified issues. "' <br />Existing, water disputes across <br />the country <br />Many locations in the United States are <br />already undergoing water stress. The Great <br />Lakes states are establishing an interstate <br />compact to protect against reductions in <br />lake levels and potential water exports. <br />Georgia, Alabama, and Florida are in a <br />dispute over water for drinking, recreation, <br />farming, environmental purposes, and <br />hydropower in the Apalachicola— Chatta- <br />hoochee —Flint River system.l'," <br />The State Water Project in California is <br />facing a variety of problems in the Sacra- <br />mento Delta, including endangered species, <br />saltwater intrusion, and potential loss of <br />islands due to flood- or earthquake- caused <br />levee failure S.111-112 A dispute over endan- <br />gered fish in the Rio Grande has been on- <br />going for many years 183 The Klamath River <br />in Oregon and California has been the <br />location of a multi -year disagreement over <br />native fish, hydropower, and farming lsa,ls. <br />The Colorado River has been the site of <br />numerous interstate quarrels over the last <br />century.l16,117 Large, unquantified Native <br />