Arnolds Park, Iowa (NorthwestIowaNow.com) The annual Okoboji Blue Water Festival is this Saturday on Preservation Plaza in Arnold’s Park, and Steve Weisman says the state’s largest clean water venue is ready to welcome a huge crowd.

Family friendly events include inflatables, sidewalk chalk art, games, and fun ways to learn about clean water conservation.

Weisman says all events, including the concert are free of charge.

A fishing seminar will be held at 9:30 Saturday morning at Preservation Plaza, hosted by tournament angler Joe Henry.  Okboji Blue Water Festival Website