Rusty water touches a wound. Should I get tetanus?

Tetanus is caused by Clostridium tetani infection, Clostridium tetani belongs to anaerobic bacteria, only in an oxygen-deficient environment to survive and reproduce in large numbers, rust water touches the wound, if the wound is shallow, the surrounding support is more adequate, Clostridium tetani is not easy to survive, reproduce, generally do not need tetanus injection.