Illinois officials are investigating after “one of the world’s worst aquatic weeds” was discovered in a suburban waterway.

The quality of New York’s drinking water—and the complex system that delivers it to each New Yorker’s tap—has long been a ...

EAST HAMPTON, Conn. (WFSB) - Hydrilla, an invasive species, is making itself a home in many of Connecticut’s lakes and ponds.

City officials said they will need time to review options following the defeat of a police levy on Nov. 5. The 2.5-mill ...

That’s a way of announcing to the as yet unaware that Alum Creek Lake has a hydrilla situation that could become a wider ...

Hydrilla verticillate (hydrilla), one of North America's most invasive species, has been found for the first time in Canada.

Hydrilla, an aquatic plant known to spread across the surface of lakes, ponds and slow-moving rivers in a thick dense mat of vegetation, has also arrived in the Croton Reservoir, as well as ...