Water supply for three US states drips down, Lake Mead at record low

Lake Mead, the largest reservoir in the United States, has reached a record low water level. This reservoir is situated on the border of Arizona and Nevada. The article does not specify when this record low was achieved or the direct impact on the water supply for the three US states mentioned in the headline. However, the significant drop in water level at this major reservoir is a key development. The article does not provide further details regarding the reasons for this decline or any actions being taken in response.