Erosion harms lakes

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Photo by Jamie Saul

This photos shows erosion under way on a street under reconstruction, close to Lake Wingra. The rainstorm was brief but intense--the kind that can occur during the summer in any Midwestern state.

The erosion control measures were insufficient, allowing much muddy runoff went into the nearby lake.  Runoff like this carries phosphorus, which stimulates the growth of noxious algae or weeds in lakes.

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