ES Divers Conduct Large Coral Reef Survey in Guam

June 1, 2022
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June 1st marks the beginning of World Oceans Month, as well as World Reef Awareness Day. As part of this important event, EnviroScience is pleased to share photos from phase one fieldwork we recently completed for a large coral reef monitoring project in Guam.

With fantastic support from local captains and experts, a highly skilled ES crew of six managed by Vice President Greg Zimmerman conducted an intensive marine survey of the fore reef, reef shelf, and reef flat of two bays. Throughout April, our marine biologists surveyed 55 locations in the North Pacific Ocean—at depths up to 75 feet—for federally listed species. Additional fieldwork and reporting are planned for the coming months.

An experienced diver, coral reef enthusiast, and approved freshwater mussel surveyor, Vice President Greg Zimmerman embodies the EnviroScience spirit. Not only is Greg always at the ready and willing to roll up his sleeves (or, in this case, slip into a wetsuit) to lend a hand or lead the charge, but his enthusiasm for taking on new projects like this and the work we do as a whole to understand the environment is contagious.

If you are passionate about environmental science, we encourage you to join the ES family. You might be surprised where the work will take you! Our team of expert biologists, commercial and scientific divers, environmental scientists, and environmental engineers—and the breadth of our capabilities—continues to grow. Visit our Careers page for a list of current openings and to apply today!

The diversity and expertise of our staff, paired with state-of-the-art equipment, cutting-edge technologies, and core values that include client advocacy enable us to provide innovative, cost-conscious solutions to any environmental issue.


Few environmental firms in the country retain EnviroScience’s degree of scientific know-how, talent, and capability under one roof. The diverse backgrounds of our biologists, environmental engineers, scientists, and divers enable us to provide comprehensive in-house services and an integrated approach to solving environmental challenges—saving clients time, reducing costs, and ensuring high-quality results.

EnviroScience expertise includes but is not limited to: aquatic survey (including macroinvertebrate surveys and biological assessments); ecological restoration; ecological services (including impact assessments, invasive species control, and water quality monitoring);  emergency response; engineering and compliance services; endangered mussel surveys; laboratory and analysis; stormwater management; threatened and endangered species; and wetlands and streams (including delineation and mitigation). Further, EnviroScience is one of the few biological firms in the country that is a general member of the Association of Diving Contractors International (ADCI) and offers full-service commercial diving services.