May 30—WORTHINGTON — The mild winter brought an abundance of filamentous algae growth to Lake Okabena in Worthington. Dan Livdahl, Okabena-Ocheda Watershed District Administrator, suspects the ...

The filamentous algae is the kind that starts growing on the bottom of a pond, then separates to float up and makes large clumps or rafts of fibrous algae on the surface. This algae is unsightly ...

For more than a decade, filamentous algae problems have been mounting. In 2016, the Potomac Riverkeeper Network, which includes the Shenandoah Riverkeeper, sued the EPA over its approval of DEQ ...

The Maryland Department of the Environment said Wednesday floating material found recently in the Back River is filamentous algae, not human feces. But one of the area's state leaders isn't buying ...