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Waterborne Environmental

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Waterborne Environmental is a private US environmental science and risk assessment consulting firm founded in 1993, serving agrochemical, pharmaceutical, personal care and specialty chemical clients worldwide.

Last updated September 27, 2026

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Overview

Waterborne Environmental, Inc. is a private American environmental science and risk assessment consulting firm headquartered in Leesburg, Virginia. Founded in 1993 by Patrick (Pat) W. Holden and Marty Williams, the company began as a small two-person consultancy with a vision to provide superior consulting services in environmental science and water resources management. It has since grown into a globally recognized corporation with offices throughout the United States and scientists working worldwide. The firm's core expertise lies in environmental fate, hazard and risk assessment. Its service lines include ecological risk assessment, field studies and data collection, environmental modeling, ecotoxicology and toxicology support, geospatial analysis, and data analysis. Waterborne got its start in the heavily regulated area of agrochemical risk assessment, drawing on its founders' knowledge in agriculture, water resources and sustainability, and has steadily expanded into adjacent markets such as personal care products, pharmaceuticals, and industrial and specialty chemicals. Waterborne positions itself as an unbiased, science-driven partner to its clients, describing its approach as "We Let Science Do the Talking." It aims to deliver unbiased data that balances the needs of a growing population with the potential environmental impact on natural resources. The company has developed an extensive network of clients and partners across industry, contract research organizations (CROs) and regulatory agencies in North America, Europe, Latin America and the Asia/Pacific Rim. As a consulting firm rather than a product manufacturer, Waterborne's offerings are professional services: agricultural sustainability assessments, chemical fate and transport studies, climate change impact assessments, ecological modeling, ecotoxicology support, exposure modeling, and field studies and data collection. The company presents itself as an extension of its clients' teams, supplementing and enhancing their research capabilities, and emphasizes long-lasting client relationships. It remains privately held and active, with a Federal Capability Statement among its public materials.

History

Waterborne Environmental was established in 1993 by Patrick (Pat) W. Holden and Marty Williams. According to the company's own history, it began as a small consulting firm of two people with a vision to provide superior consulting services in the areas of environmental science and water resources management. The founders brought extensive knowledge in agriculture, water resources and sustainability, and the firm got its start in the heavily regulated area of agrochemical risk assessment. From that starting point, Waterborne built core services around chemical transport, environmental risk and stewardship. Building on these core capabilities, the company steadily grew its specialized knowledge and expanded into other markets, including personal care products, pharmaceuticals, and industrial and specialty chemicals. The company describes itself as having grown from a single service to working within a wide range of industries, and from its original small size to a stable staff of highly experienced scientists and engineers. By the 2020s, Waterborne presented itself as a globally recognized and admired corporation with offices throughout the United States and scientists working worldwide. It reports an extensive network of clients and partners in industry, contract research organizations and regulatory agencies across North America, Europe, Latin America and the Asia/Pacific Rim. The company continues to describe itself as a full-service risk assessment consulting company and maintains a Federal Capability Statement among its public materials. It remains privately held and active.

  • 1993

    Waterborne Environmental founded by Patrick (Pat) W. Holden and Marty Williams as a two-person environmental science and water resources consulting firm.

  • Company expands from agrochemical risk assessment into personal care products, pharmaceuticals, and industrial and specialty chemicals.

  • Waterborne grows to a globally recognized firm with offices throughout the United States and scientists working worldwide.

Products and positioning

Unbiased, science-driven environmental consulting; "Innovative Science, Unbiased Results" and "We Let Science Do the Talking."

  • Ecological risk assessment

    Assessment of risks to wildlife and ecosystems from chemicals and other stressors.

  • Field studies and data collection

    Field-based studies and data collection supporting environmental risk assessment.

  • Environmental modeling

    Modeling of chemical fate, transport and exposure, including climate change impact assessments.

  • Ecotoxicology and toxicology support

    Characterizing the toxicity of chemicals to biological organisms to identify risk to wildlife.

  • Geospatial analysis and data analysis

    Geospatial and data analysis services supporting environmental and risk assessments.

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