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<br />" ,-"~;:",.~C'''''~'.''it<--:_''-_',:''',:';'''-~ <br /> <br />Soil erosion from the winds and stonn runoff depletes the top <br />soil, and reduces its plant growth capability. The sediments in <br />storm runoff deposit over fields and pastures, and settle in irriga- <br />tion canals. The economic loss to the area is a reduction in agri- <br />cultural production, and the costs of cleaning irrigation canals and <br />fields. <br /> <br />(3) Institutional Issues. Same as Problem Area 1. <br /> <br />(4) Financial Issues. Adequate funds to implement the plans <br />for improvements developed by the Agricuttural Department for the <br />San Luis Valley RC&D Project and the Four Gorners Regional Commis- <br />sion would alleviate many of the problems identified herein with <br />the resultant immeasurable economic and social benefits to the <br />populace. <br /> <br />NEW MEXICO <br /> <br />Problem Area 1, Rio Grande Basin. <br /> <br />Problems existing in the area of Problem No. 1 are common <br />throughout the areas of ASA 1302 and 1304 in New Mexico. Positive <br />steps are required to alleviate these conditions, otherwise, neg- <br />ative effects will continue to occur as follows: <br /> <br />1. In areas where groundwater supplies are limited and <br />most uses ~epend upon surface-water supplies, increased <br />demands for uses other than irrigation will require a <br />transfer from irrigation use. This would result in <br />drying up large irrigated acreages and would have an <br />adverse impact upon economic, social, and environmental <br />conditions in the region. <br /> <br />2. Quality and quantity of groundwater supplies are marginal <br />in many areas. Expensive works are required to improve <br />the quality for domestic and industrial uses. <br /> <br />3. Flood damage occurs in 22 urban communities (communities <br />with 2,500 or more inhabi'tants), 30 rural communities <br />that have 200 to 2,500 inhabitants, and dozens of small <br />villages that have less than 200 inhabitanU. <br /> <br />4. Flood damage destroys irrigation works, cropland, <br />roads, bridges; and other structures. <br /> <br />5. Headcutting and sheet erosion destroy range and cropland <br />and result in rapid siltation of stream beds and reservoir <br />areas. <br /> <br />74 <br /> <br />-,_ ' I' . , <br />l<"4J.. .... <br />