![Cape Cod Facility Nears Two Decades of Onsite Experimentation](https://cole-pumper.imgix.net/https%3A%2F%2Fwww.pumper.com%2Fuploads%2Fimages%2Fgeorge_heufelder.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=620&ixlib=php-1.1.0&q=75&w=1024&s=64e866635695e54f6ba3eebdefd0ebd7)
Removing nitrogen from wastewater is a complicated challenge anywhere, but in Massachusetts, George Heufelder is working toward a simple solution. It is not big, not chemical, and not expensive. And it involves sawdust.
Heufelder directs the Barnstable County Department of...