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Toxic Algae in Lake Needwood
Lake Needwood is a 75 acre reservoir located in Derwood, Maryland. The lake was created to provide flood control to Rock Creek and to protect the creeks water quality by acting as a retention basin to trap sediment from stormwater runoff.

This past fall Lake Needwood posted warning signs to “Avoid contact with Lake Water” after testing positive for toxic algae. Harmful algal blooms are often triggered by excessive levels of nutrients such as nitrogen and phosphorus. The excess nutrients come from many sources such as aquatic plants and fertilizers and stimulate the growth of algae.

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State Awards Grants to Non-Profits to Clean up Tsunami Marine Debris - The Hawaii State Department of Health with assistance from the state Department of Land and Natural Resources is awarding six local non-profit, community groups grant funds to help address Japan Tsunami Marine Debris and keep Hawaii’s shorelines clean.


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