States that rely on the Colorado River for their water supplies are currently unable to finish a series of agreements that would keep its biggest reservoirs, Lake Mead and Lake Powell, from dropping to levels not seen since they were filled decades ago. Five states — Colorado, Utah, New Mexico, Wyoming and Nevada — are done. The country of Mexico has also completed its portion. But California and Arizona failed to meet a Jan. 31 federal government deadline to wrap up negotiations and sign a final agreement.