Designing automatic water quality monitoring stations for lakes and rivers

This article describes various methods for measuring water pollution levels in lakes and rivers and the possibility of automating these procedure. The authors describe the LILY station which is a shore station suitable for small rivers or rain water collectors. They also describe LILYPAD which is a semi immerged platform which can be deployed anywhere in the middle of a lake or river. LILYPAD is equipped with a vertical profiler to provide a picture of the water column ecological balance. The design considerations and features of both of these systems are described