Results are summarized of a study which was conducted to obtain the extent, nature, and distribution of irrigable land in New Mexico. Irrigation land classes were assigned to soils on the basis of data obtained from various published and unpublished detailed and reconnaissance soil surveys. The data were organized and presented on the basis of soil associations. New Mexico has about 77,866,400 acres, of which about 41% were considered suitable for irrigation. Information is provided on soil resources to be used for preliminary planning for irrigated agriculture, forestry, range, urban, engineering, recreation and wildlife use. A general suitability map prepared from the county irrigation land classification maps of the 31 county reports previously published is included.