Water Quality Assessment and Modeling

GZA performs water quality assessments of rivers, lakes and groundwater.

Our services include degradation assessments; fish, macroinvertebrate, and mussel collections; chemical sampling and testing; physical measurements, and mixing zone studies.  Water quality modeling and biological studies, to predict stormwater and industrial discharge impacts have been completed for industrial dischargers throughout New England, New York, Illinois, Iowa and Ohio.  GZA’s laboratory, New England Biassay, is one of the leading ecological and whole effluent toxicity laboratories in the United States.