Past Events


2024 Conservation Drainage Network Annual Meeting

The 2024 Conservation Drainage Network Annual Meeting was held in Westerville, OH from April 3 – April 5, 2024.

 View more information here.


2024 Overholt Drainage School

The 2024 Overholt Drainage School was held from Monday, March 11 – Thursday, March 14 at the Controlled Environment Agriculture Research Complex in Columbus, OH.

Visit the event webpage for more information.


2023 Drainage Installation Field Day

A drainage installation field day was held at The Ohio State University at Lima’s Regenerative Farm on Tuesday, July 25, 2023, from 9:00 AM – 3:00 PM.

This event was attended by around 100 individuals! The field day featured numerous opportunities for learning and even received local news station coverage.

View the event flyer here.

View highlights from last year’s field day here.


2023 Overholt Drainage School

The 2023 Overholt Drainage School was held at Ohio State ATI in Wooster, OH from Monday, March 13 – Friday, March 17.

Participants chose to attend either Session 1 (Monday – Thursday; focused on drainage design, installation, and conservation drainage), Session 2 (Friday; focused on advanced drainage technology applications (GPS, design software, machine control)), or the full weeklong program.

Visit the event webpage for more information.


2023 Soil Health Webinar Series

Webinar recordings can be viewed on the Ohio State University Agronomic Crops Team’s YouTube channel. See links associated with individual presentation titles below.

Programs included: 


2022 Drainage Installation Field Day

A drainage installation field day was held at The Ohio State University’s Lima campus on August 16, 2022.

The event featured subsurface drainage installation demonstrations, opportunities to interact with OLICA volunteers and OSU experts, and a Q & A session.

View the event flyer here.


2022 Overholt Drainage School

The 2022 Overholt Drainage School was held at The Ohio State University’s Lima campus from March 14 – 18.

The program featured 40+ hours of educational content and was attended by 55 participants, with instruction and support provided by 25+ instructors and guest speakers.

Visit the event webpage, or download the event agenda, for more information.


2021 Overholt Drainage Workshop Webinar

The 2021 Overholt Drainage Workshop was held in virtual format on June 9.

The webinar (full recording below) focuses on drainage design, installation, and management.

Features of the webinar include:

  • Updates on on recently passed H.B. 340 – Ohio’s “petition ditch laws” that address the installation and maintenance of drainage works of improvement in Ohio
  • A panel of professional engineers representing state and federal agencies, drainage contractors, and tile manufacturers discussing standard practices, common issues, and troubleshooting associated with drainage design, installation, and repair

Visit the event webpage, or download the event agenda, for more information.