Hugh Tozer, an engineer at Woodard & Curran in Portland, works with water distribution operator Bos Jacques in 2009 to repair underground pipes at Justinian University Hospital in Cap-Haitien, Haiti. Tozer travels to Cap-Haitien about twice a year as a volunteer with Konbit Sante, a Portland-based nonprofit dedicated to improving health care in Haiti’s second-largest city. Photo by Wendy Taylor

A girl collects water from a well contaminated with fecal coliform bacteria on the outskirts of Cap-Haitien, Haiti, during the 2010 cholera epidemic that struck several months after the catastrophic earthquake. Portland-based Konbit Sante supports community health education programs in Cap-Haitien that promote the benefits of treating water with a few drops of chlorine bleach. Photo by Hugh Tozer

Hugh Tozer, an engineer at Woodard & Curran in Portland, surveys the sprawling campus of Justinian University Hospital in 2005. Portland-based Konbit Sante created a site plan that volunteers still use in making water distribution, sewage disposal and other infrastructure improvements at the hospital in Cap-Haitien, Haiti. Photo by Nathan Broaddus

A man in fills jugs with water from a reservoir at Justinian University Hospital, where volunteers from Portland-based Konbit Sante organized and oversaw the drilling of two new wells in 2009. The hospital in Cap-Haitien, Haiti, still has limited running water and a severely inadequate sewage disposal system. Photo by Nathan Broaddus

Jeff Musich, top left, an engineer with Wright-Pierce in Maine, and Bob MacKinnon, right, superintendent of the Yarmouth Water District, traveled to Cap-Haitien, Haiti, in 2013 to work at Justinian University Hospital. With them is Josue Limprévil, a Konbit Sante employee who is a master at fixing medical equipment and printed circuit boards at the hospital. Photo by Hugh Tozer

Gary Laclaire, an electrical contractor from Eddington, installs an electrical panel at Justinian University Hospital in 2011 to supply power to a new equipment sterilizer. Laclaire has been volunteering with Portland-based Konbit Sante since 2004. Photo by Hugh Tozer