Water heater, if secured.
Toilet tanks (not the bowl) if the water hasn't been treated with chemicals to enhance color, smell, etc.
Canned vegetables and fruits stored in water or juice.
Swimming pools (for hygiene purposes only). It is not recommended that swimming pool water be used for drinking because acids build up in the water which could be harmful to health.
Do not use water stored in vinyl plastic containers, such as water beds, for drinking.
Homeland Security Advisory System
Current Threat Level
Tennessee Emergency Management Agency
State of Tennessee