VP Greg Zimmerman on the Importance of Freshwater Mussels

June 15, 2022

Did you know freshwater mussels work as “ecosystem engineers” to improve fish populations, water quality, and even property values? Check out the latest edition of Environmental Monitor from Fondriest Environmental, Inc., featuring Part I of a compelling article that offers a fresh look and an eye-opening perspective on mussels.

EnviroScience Mussel Surveyor & VP Greg Zimmerman

In the article, EnviroScience Vice President Greg Zimmerman, MLS (an approved freshwater mussel surveyor) breaks down exactly how mussels impact the ecosystem, how environmental challenges like construction projects and runoff can lead to mussel population loss when not carefully managed, why federal legislation and state regulations exist to protect mussels, and how EnviroScience works to help clients navigate projects in adherence to these protective measures.


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. Our client guarantee is to provide “Excellence in Any Environment” meaning no matter what we do, we will deliver on our Core Values of respect, client advocacy, quality work, accountability, teamwork, and safety. EnviroScience was created with the concept that we could solve complex problems by empowering great people. This concept still holds true today, as our scientists explore the latest in environmental legislation and regulations and incorporate the most up-to-date technology to gather and report data.

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.