My electric water heater won't stop running the thermostats are on the lowest setting what could the problems be. Id appreciate any help.

You might find an answer on the following link. There is something down the page in it about won't stop running.

Retrofitting Your Water Heater

Your thermostat has failed, if your t and p has not popped off you need to replace that too. What brand water heater and what is the serial number?