Japan Ground Self-Defense Force official @kir_imperial is on the ground in Fukushima, involved in the rescue efforts and twittered, "Does insurance cover exposure to radiation? Hmm..." Health officials are now warning villagers in the Fukushima prefecture against drinking tap water after finding higher levels of radioactive materials. However, the water can still be used for washing and bathing. For a chart of the ionizing radiation dose that a person can absorb, go here.
Meanwhile, Japan's death toll is now estimated by experts to be over 18,000.