History of Non Artificial Intelligence Based Biological Monitoring of River Water Quality

This research paper reviews the history of researches on River Water Quality Assessments which were based on Non AI based biological data analysis & monitoring. It describes the evolution of water quality assessments methods prior to AI based models. The critical analysis of these systems is described and discussed from their advantages and limitations point of view. The research paper describes importance of involvement of biological data along with chemical and environmental data in water quality assessment. The paper briefly describes the EU Water Framework Directive for river water quality assessment.