
November 17th, 2026 Forum – Celebrating 40 years of Clean Water
November 17 @ 11:30 am - 1:00 pm
Clackamas Water Environment Services (WES) is celebrating 40 years of producing clean water, protecting water quality, and supporting the health of our communities. As Clackamas County has grown, WES has evolved to meet the needs of community.
WES leaders will share lessons from the past, how they are adapting to water challenges today, and highlight investments for the future.
Join WES on Tuesday, November 17 to learn how they are working towards a resilient clean water future where all people benefit and rivers thrive.
- Greg Geist
- Ron Wierenga
- Jeff Stallard, PE
Featured Panel from Clackamas Water Environment Services
- Greg Geist, Director
- Greg has worked in the clean water field since 1996 as a private consultant and in public service with city, county and state agencies. From 2000 to 2013, he worked for the Oregon Department of Environmental Quality, overseeing various regulatory, financial assistance and Clean Water Act programs. He is currently the Director of Clackamas Water Environment Services. Greg graduated from Washington State University in 1994 with a B.S. in Physical Sciences and in 1996 with a M.S. in Environmental Science.
- Ron Wierenga, Deputy Director
- Ron is the Deputy Director for Clackamas Water Environment Services where he leads administrative services, budget and finance, policy development, regulatory affairs, and strategic planning. Ron graduated with a Master of Science degree from Washington State University with support from the State of Washington Water Research Center. In his free time, Ron fly fishes for steelhead where he spends a lot of time standing in rivers thinking about how to make them healthier.
- Jeff Stallard, PE, Capital Program Manager
- Jeff Stallard has 24 years of experience in the water and wastewater industry delivering both in-plant and collection system projects. Jeff spent the first 16 years of his career as a consulting engineer and joined Clackamas Water Environment Services in 2017 as the Civil Engineering Supervisor and is now the Capital Program Manager. Jeff earned his Bachelors of Science degree from the University of Cincinnati. He moved to the Pacific Northwest 15 years ago where he now spends his spare time exploring the wilderness with his wife and two kids.
Luncheon Details:
- Cost: $29 for OCBA members
- $35 for non-members
- $39 for all attendees for late registration after the end of the day on the Wednesday before the forum, including payments at the door, subject to availability.
- If you want to become an OCBA member or renew your OCBA membership, please go to our website and click the membership link for more information and registration.
- This luncheon event is open to the public.
- We are committed to a delightful dining experience for all at our forum. Guests with specific dietary needs can choose a plated meal for $35 (same for members and non-members) or select from the buffet, with vegetarian, dairy-free, and gluten-free options clearly marked, though specific options cannot be guaranteed. Please submit plated meal requests by the end of the day on the Wednesday before the forum.
- Please email membership@ocbusinessalliance.com with questions.
Sponsors:

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