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Ohio State University Extension


Overholt Drainage School

Join The Ohio State University March 11th-14th in Columbus, Ohio for the annual Overholt Drainage School. This year’s drainage school will cover many topics, including drainage planning, design, and installation, drainage law, GPS surveying, and the use of agricultural conservation practices to manage water quality.  

This four-day program is open to anyone who is interested in drainage design and installation, including drainage contractors, professional engineers, district technicians, NRCS and agency professionals, landowners and producers who install or repair their own drainage, and agricultural consultants. A team of experts from The Ohio State University, Ohio Department of Agriculture, and the Ohio chapter of Land Improvement Contractors of America (OLICA) plan and execute this annual program.  

Continuing education and professional development (CCA and CPD) credits will be available during this workshop. For more information and to register, visit before February 29th. Cost is $600 per person with lunches included, and discounts may be available for OLICA members, alumni, and multiple attendees from the same family, company, or agency. Contact Dr. Vinayak Shedekar with questions at