What’s That Smell? NBGC STEAM Explores the Sewer Department

As part of the STEAM program, the Nantucket Boys & Girls Club traveled to the Surfside Wastewater Treatment Facility, managed by the Nantucket Sewer Department, to learn about its mission: “to protect public health and the environment for our communities by providing high-quality wastewater treatment services in an effective, efficient, and responsive manner.”
With this mission in mind, NBGC members were given a tour of the facility and learned about the very stinky engineering process that transforms our dirty water into clean, potable water. The Surfside Wastewater Treatment Plant treats nearly 1.52 million gallons of water each day and can see up to 2.5 million gallons during the peak months of June, July, and August. A team of 12 full-time employees maintain the premises, run the plant’s software, respond to clog calls, and perform daily tests to measure the contents of the water (yes, even on weekends).
Originally constructed in the 1980s, Nantucket’s primary wastewater facility processes 85% of the town’s wastewater and includes stations across Sea Street, Monomoy Road, Goldfinch Drive, and South Valley Road. This “dirty” water is transported to headworks where sewage is screened for solids, sand, and dirt. Once clear of solids, the water moves through a clarifying process, which quickly became our members’ favorite part of the trip.
NBGC kids pointed excitedly as bits of corn and other “mystery materials” floated to the top of the water. The bio waste, affectionately known as scum, caused quite a stir. Club kids covered their noses, laughed intensely, and more than a few kids recalled stories about the last time they ate corn.
Not to worry, our Club kids also learned that this isn’t the final phase of the process. The water then enters a secondary clarifying stage, is disinfected to remove microbes, and is sterilized before being transferred to a neighboring sand bed where it returns safely to the earth.
While the trip sparked plenty of laughter and silly jokes about #2, it also sparked curiosity. The STEAM program at the Nantucket Boys & Girls Club helps members explore how science, technology, engineering, art, and math shape the world around them, inspiring future problem solvers who may one day design the next great wastewater innovation for our island.
For more information about our programs, please visit nantucketboysandgirlsclub.org/programs.







