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Algae Treatment Leads to Massive Fish Kill in Lake Isabella
Lake Isabella has experienced a significant “fish kill” due to low oxygen levels following treatment of an extremely high blue-green algae presence.

When the heavy bloom was noted a recommendation was made to close the lake to swimming and boaters and a company was hired to treat the lake with a chemical called SeClear. The following day, hundreds of dead fish were observed lying dead on the bottom and floating on the surface.

Workers went around netting the dead fish. The numbers showed 1,105 small largemouth bass killed, 181,888 bluegill fingerlings, 7,635 larger bluegill, 26 white crappie, 3 grass carp and 10 channel catfish killed. All of the fish were buried in the Village gravel pit.


 
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Chemical Promotes Dangerous Algae Blooms - Wisconsin is not fully enforcing strict phosphorus limits adopted two years ago to reduce lake-algae blooms that make people sick. The state Legislature in 2010 approved DNR regulations intended to cut down on the amount of phosphorus running into waterways, where it causes algae to grow so thick that the water turns to green soup. The regulations are aimed at wastewater treatment plants, paper mills and factories – which are required to reapply for permits at five-year intervals.


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