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What you need to know

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Learn about the Commonwealth's lakes and ponds and how you can protect our water resources.
Learn about the law created by the Massachusetts Legislature regarding nuisance species.
You can view brochures with tips for keeping our water supplies clean and safe. Fact Sheets and reports highlight the work done by DCR's Division of Water Supply Protection.
Learn about species that are not native to Massachusetts waters, as well as potential invasive species.
Learn how you can help prevent the spread of invasive weeds in Massachusetts waters.
Learn how the DCR is working to keep our waters clean by monitoring boat ramps.
Learn about invaisive species that threaten the DCR watershed system.
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