12787 Gateway Drive S. 
                                                     Seattle, Washington                            
                                                98168 United States                    
NHC is an independent, employee-owned company providing innovative and specialized hydrotechnical engineering and geoscience consulting services, since 1972. We are passionate about water and dedicated to technical excellence, our clients, and the communities in which we work. NHC’s professionals analyze complex hydrologic and hydraulic conditions in the field, evaluate using sophisticated modelling software and physical models, develop planning and design solutions, oversee project construction, and monitor effectiveness to better understand and implement future projects.