Raymond M. Hozalski

Raymond M. Hozalski serves as the James L. Record Professor in the Department of Civil, Environmental, and Geo-Engineering at the University of Minnesota, where he leads the Hozalski Research Group and maintains affiliations with the BioTechnology Institute. His work bridges environmental engineering and public health through advanced water treatment research.

Dr. Hozalski's research focuses on biofilm engineering for water treatment applications, natural organic matter characterization, and stormwater management. His lab employs molecular biology techniques (qPCR, DNA sequencing), pilot-scale treatment systems, and field sampling to address critical water quality challenges. Key specialties include biofilm mechanical properties, disinfection byproduct control, and contaminant removal mechanisms in engineered systems.

Analysis of his 15 most recent publications reveals dominant trends in drinking water distribution system safety (particularly Legionella control), NDMA precursor identification from agricultural and wastewater sources, and advanced biofiltration techniques. His work increasingly integrates satellite remote sensing for water quality monitoring and emphasizes practical solutions for utilities.

• James L. Record Professor endowed chair recipient
• Principal investigator for 34 funded projects totaling millions in NSF, EPA, and state funding
• Research featured in major media outlets regarding coronavirus water safety

Dr. Hozalski has mentored 12 PhD graduates, with 6 securing faculty positions and others employed by EPA, water utilities, and engineering firms. His current projects include investigating opportunistic pathogens in water systems, NDMA precursor mapping, and biofilter optimization for nitrosamine control. The Hozalski Research Group operates state-of-the-art facilities for biofilm characterization and water quality analysis, collaborating with utilities across the US and Norway.