Montana - Legionella Prevention and Costs of Legionnaires Outbreaks Historical Headlines Related to Legionella Legionnaires’ disease continues to make headlines today. Stay tuned for news on Legionella in Montana. May 9, 2026 Health officials investigated a Legionella outbreak at the Howard Johnson on Mullowney Lane in Billings after three people became ill. RiverStone Health linked one hospitalized case reported in late March to two earlier 2025 illnesses involving the hotel, and 26 of 40 water samples tested positive for Legionella. The hotel began water remediation and was developing a water-management plan with health officials. (Source) Reported Settlements and Jury Awards Given the incidence of legionella in Montana, and its associated harm, personal injury claims and litigation are also becoming more frequent. Reported settlements and jury awards are unavailable at this time. State Cap on Jury Awards Montana does not have a cap on the award amounts allowable by law. In addition, public health notices and negative media attention can also lead to business interruption and reputation damage. Groundwater Temperature Risk Level – Medium Overall Liability and Risk for Montana – High No, ASHRAE 188 is not part of the state code Legionella and Water Management Plan Assistance Need help? For Legionella consulting and services, Water Management Plans, Legionella Control Systems, and Legionella testing please contact us at Legionella Control Systems at 888-416-8626 or [email protected]
