HydroQual, an ENR Environmental 200 firm for most of the past decade, is a privately-owned environmental engineering and consulting firm established in 1980. The firm specializes in the management of water resources including mathematical modeling to evaluate the fate and transport of pollutants and the effect of their presence in natural water systems, the assessment and optimization of water and wastewater treatment processes, environmental hydrodynamics and sediment transport modeling, natural resource investigation and engineering consulting services to public and industrial clients worldwide.