Michael Marefka

Vegetation Services Manager

EnviroScience Vegetation Services Manager Michael MarefkaMichael Marefka has been a valued member of the EnviroScience family since 2022 and currently serves as Vegetation Services Manager.

Michael provides project management and technical expertise for the vegetation components of environmental restoration projects, including the surveying and control of invasive species, the identification of Ohio Department of Natural Resources state-listed plant species, and the installation and oversight of native vegetation on major stream and wetland restoration projects. The diverse nature of his work demands proficiency with issues related to sensitive ecosystem dynamics, herbicide application, spatial analysis, and data management.

Michael’s ability to craft treatment methodologies that best reflect the challenges of unique ecosystems while operating in a safe, efficient, and cost-effective manner makes him an integral part of the EnviroScience team. 

Contact Michael at:  MMarefka @ EnviroScienceInc.com


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 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 surveys (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.