нэгдмэлээр ашиглах хиймэл усан сан
multipurpose reservoir
водохранилище комплексного назначения
A reservoir constructed and equipped to provide storage and release of water for two or more purposes such as flood control, power development, navigation, irrigation, recreation, pollution abatement, domestic water supply, etc.
Source http://www.nws.noaa.gov/om/hod/SHManual/SHMan014_glossary.htmЗураг