A duck stained blue stands by the Tulipas stream that turned blue after an environmental accident in which a truck spilled ...

A portion of the Wissahickon Creek has turned neon green, but the Philadelphia Water Department says there's no need to worry ...

A shot glass contains red food dye floating in water against a light blue backdrop - Jonathan Knowles/Getty Images ...

Visitors who traveled to Grant Park on Saturday were met with some disappointment when they found vandals had poured red dye into the water, forcing officials to halt the fountain’s jets.