Alison Frohn

Algal Taxonomist

EnviroScience Algal Taxonomist Alison Frohn

As an Algal Taxonomist at EnviroScience since 2021, Alison Frohn performs algal identification and enumeration for a variety of water and soil quality monitoring. She assists with river and stream assessments and other lab projects as needed.

Alison has over a decade of experience as a freshwater ecologist and specializes in diatom taxonomy and water quality index development. Her experience includes private consultation as well as state government, academia, and nonprofit sectors.

Prior to joining the EnviroScience team, Alison worked as a Natural Resource Specialist for the Oregon Department of Environmental Quality, where she coordinated statewide Harmful Algal Bloom monitoring in drinking and recreational waters. She also worked as Diatom Herbarium Collections Manager at the Academy of Natural Sciences of Drexel University, where she assisted in developing the Level I Diatom Taxonomic Certification administered by the Society for Freshwater Science. She has since completed her Level II Diatom Taxonomic Certification.

Alison has experience training and managing field crews for watershed assessment studies in Pennsylvania and New Jersey. She holds a Master of Science in Biology from John Carroll University and a Bachelor of Science in Zoology from Kent State University.

Contact Alison at:  AFrohn @

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.