Clean Water/Sanitation Mission Trips: Senior Adults: 1 to 2 weeks: June: $1000 to $3000: El Salvador: Families - Browse by Start year : MissionGuide.globalClean Water/Sanitation Mission Trips: Senior Adults: 1 to 2 weeks: June: $1000 to $3000: El Salvador: Families - Browse by Start year : MissionGuide.global