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Learn why mustard plants can be harmful to native plants, how to identify them and what you can do to help keep our forests healthy.
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Wild parsnip is an invasive species that can be a very real human health hazard. Learn how to identify wild parsnip and ways to prevent and slow its spread.
By: Amy Timm
At Three Rivers Park District, water quality crews monitor the water at beaches and swim ponds on a weekly basis from Memorial Day to Labor Day to ensure the E. coli levels are safe for users. Learn more about the testing process and how you can help maintain healthy water quality in the parks.