Horsley Witten Group, Inc.

Horsley Witten Group, Inc., doing business as Horsley & Witten Inc., is a for-profit Subchapter S Corporation environmental science and engineering firm based in Sandwich, Massachusetts. The company provides comprehensive environmental consulting services to federal, state, and local government agencies, specializing in water resources management, watershed planning, infrastructure security, climate resilience, and environmental regulation compliance. Founded in 1988, Horsley Witten Group has established itself as a key contractor for agencies like the Environmental Protection Agency (EPA) and the National Oceanic and Atmospheric Administration (NOAA), delivering technical assistance, training, planning, and project implementation support across multiple environmental domains.

Through its federal contract awards, Horsley Witten Group has performed a diverse range of services primarily focused on water-related environmental initiatives. The company has executed numerous contracts with the EPA's Office of Water, including technical support for cybersecurity in water systems, emergency response training, watershed assessment, and resilience network programs. Contracts have addressed critical areas such as lead service line inventories, water quality standards development, drinking water and wastewater infrastructure support, and disaster preparedness. The firm has also worked extensively with NOAA on watershed coordination, protection, and restoration projects in territories like Puerto Rico, U.S. Virgin Islands, American Samoa, and Guam, focusing on controlling land-based sources of pollution. While most contracts were not set aside, some awards were designated as total small business set-asides, particularly with EPA Region 1 and EPA Region 4.

Regarding federal grant awards, Horsley Witten Group has limited documented prime grant activity, with one notable cooperative agreement from the National Resources Conservation Service. This grant, awarded on August 10, 2021, with an ultimate completion date of July 31, 2024, involves assessing the Northwest St. Thomas Watershed based on the requirements of the National Water Quality Initiative. The company has also participated in sub-grant activities, such as a sub-grant with the Commonwealth of Massachusetts Department of Conservation & Recreation for the Taunton River Trail project, demonstrating its ability to engage in localized environmental and infrastructure development initiatives.

Horsley Witten Group holds several significant federal contract Indefinite Delivery Vehicles (IDVs), including a massive $999,999,999,999 OASIS+ Small Business Multiple Award Contract, a $9.9 million single-award BPA with EPA's Office of Water for all-hazards emergency preparedness, a $500,000 multiple-award BPA with EPA Region 1 for clean water program support, and a $5 million single-award BPA with NOAA for watershed management services. These IDVs, primarily under the Multiple Award Schedule (MAS) contract vehicle, enable the government to efficiently procure environmental consulting services across various domains. The contracts cover environmental services, technical and engineering support, research and development, and specialized consulting in areas like water infrastructure security, climate resilience, emergency preparedness, and regulatory compliance, with task orders predominantly issued by EPA and NOAA.

DOMESTIC AND INTERNATIONAL ENVIRONMENTAL CONSULTING SERVICES IN WATER RESOURCES & LAND PLANNING. SPECIALISTS IN HYDROGEOLOGY, WETLANDS ECOLOGY, COASTAL MANAGEMENT, DRINKING WTAER PROTECTION, LAND USE, PROGRAM DEVELOPMENT & POLICY ANALYSIS.