U.S. Fish and Wildlife Service wanted to provide visitors to Oxbow National Wildlife Refuge in Harvard, MA, with restroom facilities at an area with no running water but did not want to bring in portable toilets, especially ones that use chemicals.  So, just like Rachel Carson NWR before it, Oxbow installed a Clivus composting system with waterless toilets. The new restroom building provides clean and odor free facilities in a remote, waterless location.  It is