Diamond Lake is a small shallow water body surrounded by residential neighborhoods and parkland. The shallow 55 acre lake and surrounding wetlands and wooded areas provide habitat for a variety of aquatic creatures and waterfowl. Diamond Lake has great birding opportunities all year round, and can be accessed by canoe, snowshoe, or from the shoreline trail.  The Diamond Lake Management Plan was adopted by the Board of Commissioners in 2009. The plan identifies goals and priorities, and guides citizen and MPRB action and engagement pertaining to water resource management of the lake, land and surrounding community. Diamond does not have a swimming beach and was therefore not scored for public health. 

LAURI

Lake Aesthetic and User Recreation Index (LAURI)

lauri graph for lake calhoun

The Lake Aesthetic and User Recreation Index (LAURI) was designed to give recreational users a source of information about conditions affecting their use of city lakes.  The goal is to have an accurate, science based and easily understandable recreational indicator for the public.  The  LAURI has five indices:

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Public Health Index (E. coli measured at public swimming beaches)


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Water Quality Index (water clarity/Secchi depth)


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Habitat Quality (aquatic plant and fish diversity)


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Recreational Access (availability and ease of public access)


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Aesthetic Considerations (color and odor of water, garbage and debris)