David Altfater

Senior Scientist | Natural Resources

EnviroScience Senior Scientist David AltfaterDavid Altfater joined EnviroScience in 2020 and is a Senior Scientist in the Natural Resources Practice Area. David has a BS in Natural Resources with a special focus on Fisheries Management from The Ohio State University. He has 45 years of professional experience, including 34 years as a fisheries biologist and water quality scientist with the Ohio EPA Division of Surface Water.

David has managed and participated in many projects studying biological integrity, water and sediment quality, fish tissue, and habitat quality of aquatic resources in rivers and streams. He has extensive experience evaluating water resource conditions associated with municipal and industrial wastewater discharges, abandoned and active waste sites, brownfield properties, and Department of Energy and Defense sites.

David has Ohio EPA Level 3 certification for all fish sampling methods and QHEI. In addition, he is well-versed in Primary Headwater Habitat and HHEI protocols. David has directly monitored over 1,300 sites in over 300 streams and rivers in Ohio and the midwestern United States.

David enjoys woodworking, gardening, traveling, and working on Habitat for Humanity houses in his community.

Contact David at: DAltfater @ 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.