The Chicago River is dyed green each St. Patrick's day. Savannah tried to do this with the Savannah River once, in 1961, but it was a complete failure. read more
Savannah tried to do this with the Savannah River once, in 1961, but it was a complete failure. The Chicago is a slow-moving, low-volume river, but the Savannah is swift and high volume, and the dye effect was brief and barely perceptible (and nowhere near a bright kelly green). read more
Nowadays, the city turns the river green by dumping roughly 40 pounds of a secret formula powder into the river, Tom Rowan, the head of the river crew told The Chicago Tribune. Boats help churn the water, which mixes the environmentally-friendly powder, into the river turning it a maximum green in about 45 minutes, Rowan said. read more
The Wearin’ O’ The Green Savannah doesn't dye her river green, though it was attempted back in the 1960s. Barrels of dye were dumped into the Savannah River from barges. read more