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BIRCH ISLAND LAKE ASSOCIATION
Water Quality Committee.
DId you know lakes age from young to middle age to old age? After reading the following guess our lake's age.
Young lakes are oligithropic (young) with clear water and
little algae. Middle age lakes have the best fisheries,
good structure and a variety of wildlife. They are
classified as mesothropic. Old age (euthropic) lakes
have algae blooms, many aquatic plants and murky
Have you guessed our lake's age. Yes, it is mesothropic,
the best all around lake age.
Lake level Lake temperature
997.74 feet above sea level 73 degrees (F)