Legionella Risk Map - Legionella Information by U.S. State View Legionella risk, liability, and legal information by state Legionnaires risk, liability law, and health codes vary from state to state in the U.S. To help you identify information relevant to your area of the U.S., select your state below to view Legionella risk, liability, and code information. Full List of Legionella Information by State Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Lousiana Maine Maryland Massachussetts Michigan Minnesota Mississippi Missouri Montana Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Washington D.C. West Virginia Wymoing Wisconsin Click on a state to view Legionella risk information by U.S. state Overall State Risk Low Medium High Very High