The current ALI score for each lake can be seen here, along with the current sub-index scores that are used in the calculation of the ALI. For further detail, the
Lakes Index Methodology is a comprehensive explanation of the program and methodologies for data collection and index calculation.  Changes over time for each sub index (water quality, sediment, habitat, aquatic life, vegetation, eutrophication) and more detailed summaries for each lake are in the FAQs section.

Click here for answers to frequently asked questions.