![]() The Minnesota Department of Natural Resources has more information on swimmer's itch. To report an occurrence of swimmer’s itch at one of the Three Rivers Park District beaches, please call the visitor center at the beach location you visited. One way to reduce your chances of contracting swimmer’s itch is to rinse off and/or vigorously towel off after exiting the water. Once the area is safe, the beach is re-opened to the public. While a beach is closed due to swimmer’s itch, a treatment of copper sulfate is applied to the swimming area which kills the snails and the parasites. Swimmer’s itch is a skin rash caused by an allergic reaction to a microscopic parasite released in the water by snails. Avoiding swimming after significant rainfall.Washing hands after swimming and before eating.You can reduce the chances of getting sick from E. Coli colonies per 100 ml sample or if five samples over a 30-day period have a geometric mean over 126 colonies per 100 ml sample.īeaches will re-open once the water has been sampled and levels are back to within the state guidelines. Three Rivers will close a beach area if a single sample exceeds 1260 E. Coli, the higher the reported number, the greater the risk that a harmful strain is present. While water sample tests cannot tell the difference between good or bad strains of E. Warmer water temperatures mean more bacteria growth and higher levels. In particular, a primary source of bacteria is goose feces that can run-off into the swimming area. This runoff can lead to increased E. Coli at swimming beaches on a weekly basis between Memorial Day and Labor Day.Īfter a large rainfall, bacteria accumulated within the immediate watershed may run-off into the swimming area. While most strains are harmless, some can make us sick. Three Rivers Park District tests for E. ColiĮ.Coli (Escherichia coli) is a single-celled bacteria with a variety of strains. The Hennepin County website provides a list of all open and closed beaches in the area. Visit the Swimming activity page to view any closures by park. The two most common reasons for beach closure in Three River Park District include high levels of E. Some of the beaches may occasionally be closed for a variety of reasons. At a certain stage of the fluke’s life cycle, if you’re in the wrong place at the wrong time, you’ll become the host that should, in the proper scheme of things, be a duck. The above diagram shows the life cycle of the blood fluke that causes swimmer’s itch. Three Rivers Park District has ten beaches that provide opportunities for swimming during the summer, from Memorial Day through Labor Day. Steve McComas // JGot swimmer’s itch In fact, it is a fluke that’s to blame.
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