I don't know about a state but the city of Chicago turns the rivers green on St. Patrick's Day
Green
chicago
Forty gallons of green vegetable dye are used to color the Chicago river for the St. Patrick's day celebration.
On saint patricks day we where green and have parades and the irish eat corn beef.
Yes
I'm not exactly sure of all of them, but I'm positive that they are in Chicago, Illinois.
White and gold are also prominent.
The Chicago River is dyed green on St. Patrick's Day in Chicago. This tradition has been taking place since 1962, and it has become an iconic part of the city's celebrations for the holiday.
Saint Patrick's ministry was in Ireland, and Ireland is known for its green landscape. Green is the color of Ireland (often called "The Emerald Isle"), the color of shamrocks, the official "Irish" color, as it were.
The Chicago River is dyed green every year for St. Patrick's Day.
The Chicago River is dyed green and they have a parade.