Northwest Hydraulic Consultants
Employee-owned hydrotechnical engineering and geoscience consultancy specializing in water resources, founded in 1972.
Last updated September 27, 2026
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Overview
Northwest Hydraulic Consultants (NHC) is an independent, employee-owned consulting company founded in 1972 by individuals with a strong technical background and a unique focus on water resources. Headquartered in Seattle, Washington, NHC provides innovative and specialized hydrotechnical engineering and geoscience consulting services. The firm describes itself as a highly skilled team of professionals delivering technical excellence across a broad range of water resource disciplines, developing solutions for issues related to water and earth processes in freshwater and coastal environments. NHC's professionals analyze complex hydrologic and hydraulic conditions in the field, evaluate them using sophisticated modelling software and physical models, develop planning and design solutions, oversee project construction, and monitor effectiveness to inform future projects. The company is known for combining practical knowledge and experience with sophisticated modelling and analysis. It operates a physical hydraulic modelling facility that it states is the largest in western North America. NHC has completed thousands of projects in North America and many others in Asia, Latin America, the Middle East, and Africa. It maintains a long-term commitment to water-based projects in developing countries through targeted project work and philanthropy. As an employee-owned and people-oriented firm, NHC emphasizes technical excellence, client service, and community and environmental responsibility. Its principals are technical leaders actively involved in service delivery, and the company fosters a diverse, inclusive, and caring workplace. With nearly 50 years of experience as of its own recent communications, NHC remains true to the culture that has shaped its consulting practice. It is an independent consulting company founded and led by professional engineers and geoscientists, and it continues to serve clients locally and internationally from its base in Seattle.
History
Northwest Hydraulic Consultants (NHC) was founded in 1972 by individuals with a strong technical background and a unique focus on water resources. From its base in Seattle, Washington, the firm grew into an independent, employee-owned consulting company providing hydrotechnical engineering and geoscience services. Over the decades, NHC developed a reputation for combining practical field knowledge with sophisticated modelling and analysis, and it established a physical hydraulic modelling operation that it describes as the largest in western North America. The company has completed thousands of projects across North America and many others in Asia, Latin America, the Middle East, and Africa. It has maintained a long-term commitment to water-based projects in developing countries through targeted project work and philanthropy. As it changed and grew, NHC states that it remained true to the culture that shaped its consulting practice over the past 50 years. Today it continues to operate as an independent, employee-owned firm led by professional engineers and geoscientists, with principals actively involved in delivering services to clients.
- 1972
Northwest Hydraulic Consultants founded by individuals with a strong technical background and unique focus.
Established physical hydraulic modelling operation described as the largest in western North America.
Completed thousands of projects in North America and many others in Asia, Latin America, the Middle East, and Africa.
Products and positioning
Independent, employee-owned consultancy known for combining practical knowledge with sophisticated modelling and analysis; technical excellence in water resources.
Product categories. Hydrotechnical engineering consulting · Hydrologic and hydraulic analysis · Physical hydraulic modelling · Geoscience consulting · Water resources planning and design · Construction oversight and monitoring
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