Welcome to the Ohio Irrigation Association

The Ohio Irrigation Association (OIA) was founded with the goal of irrigation professionals coming together from all over this great state in hopes of improving landscape irrigation standards in Ohio. We offer educational events and technical information to raise the level of professionalism within our industry.

Please join us!

Together we can make a difference.

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Wolf Creek Founder Bud Knowles Passes

Charles (Bud) Knowles, founder of Wolf Creek, died July 8 at 11:30 pm in Dayton, Ohio, from complications of old age. Only six weeks before his 92nd birthday. A life well lived.