A group of citizens in community of identifiable need is concerned regarding a recurring incidence of persons with Hepatitis A. The principal commonality is their employ of a water utility that is dependent upon local wells in the surrounding area. Many of the homes in this area are not connected to sewer service and continue to use septic tanks. The Epidemiologist and the community health nurse are meeting with a group of citizens who want to take action to reduce the Hepatitis A. What are four possible steps the group can take initially to address their concern?