2026 Biofest Meeting HUB
Welcome to the 38th Biofest: Biofest 2026 | Nuts and Bolts: Taking Care of Business! If you have any needs throughout the conference, make sure to pop up to registration, and our Executive Director, Amy Ohlinger, will be able to assist you. Enjoy!
For CEUs, please submit your information HERE. CEU certificates will be emailed to all who submit their form within 30 days of the conference. If you have any questions, please email amy@nwbiosolids.org.
AGENDA
3:30-7:00PM Biofest Registration
- Centennial Ballroom Foyer
1:00-4:45PM Boulder Park Tour (limited capacity, pre-registration required)
- Meet in the Campbell’s Parking Lot, outside of Building 3
- Jake Finlinson, King County & Dave Ruud, Boulder Park
3:00-5:00PM Workshop | Effective Communication in High-Stress, High-Concern Situations and Environments
- Stehekin Ballroom
- Benjamin Morgan, M.A, Senior Fellow, Center for Risk Communications
5:00-5:15PM Break
5:15-5:45PM Biofest 2026 Kickoff
- Stehekin Ballroom
5:45-7:30PM Biofest 2026 Vendor Social Hour
- Centennial Ballroom
7:00-8:00AM Registration and Breakfast
- Centennial Ballroom
8:00-8:30AM Biofest 2026 Welcome
- Stehekin Ballroom
8:30-8:35AM Break
Section: Putting your biosolids where your mouth is
- Stehekin Ballroom
- Moderator: Valerie Ward and Katie Webb
8:35-8:55AM Discussing Disgust
- Dr. Sally Brown, University of Washington
9:00-9:20AM Oak Harbor Banana Tree
- Cory Prusha, Oak Harbor Clean Water Facility
9:20-9:35AM Break
9:35-10:35AM Keynote: Return Home
- Stehekin Ballroom
- Jake Miler, Return Home
- Moderated by Dr. Sally Brown
10:35-10:50AM Break
Section: Operator Hour
- Stehekin Ballroom
- Moderator: Deidre Bartlett and Ava Heathman
10:50-11:10AM A Tale from the Other Side: Regulatory Reflections from the Sunshine State
- Landon Reigelman, King County
11:15-11:35AM Better Together: When Biosolids Meet Water Treatment Residuals
- Will Hausa & Dan Eberhardt, City of Tacoma
11:40-11:55AM When 120,000 Pounds Went Wrong: Lessons from a Biosolids Loading Incident
- Mike Gates, Clean Water Services
11:55AM-1:00PM Lunch & Ambassador Recognition
- Lunch provided outside on the Terrace, above the Campbell’s Lobby
Section: 5 Senses – Smells like, Tastes Like, Looks Like…
- Stehekin Ballroom
- Moderator: Landon Reigelman and Asmita Bhandari
1:00-1:20PM Kennewick, Washington: Utilizing Solar-Thermal Pasteurization to Produce a Sustainable, Marketable Class A Biosolids Product
- Ted Merrell, Merrell Bros, Inc.
- Ava E. Heathman, Washington State University
1:45-2:00PM Nine Years Later: How Biosolids Still Shape Soil Microbial Communities and Impact Soil Health in Dryland Cropping Systems
- Asmita Bhandari, Washington State University
2:05-2:35PM Farmer Panel: Nuts & Bolts
- Facilitator: Brian Campbell | Panelists: Will Bowdish, Kurt Carstens, Ryan Thode, and David Godley
2:35-2:50PM Break
2:50-3:20PM Ask an Expert
- Stehekin Ballroom
3:20-3:30PM Break
Section: Research
- Stehekin Ballroom
- Moderator: Jori Nelson and Xueu Zhou
3:30-3:50PM Long-Term Biosolids Research at WSU: What We’ve Learned and Where We’re Going
- Deirdre Griffin LaHue, PhD, Washington State University
3:55-4:15PM Nutrient Circularity and Public Health
- Katie Webb, University of Washington
4:20-4:40PM Long-Term Accumulation of Microplastics in Soils due to Land-Application of Biosolids
- Markus Flury, PhD, Washington State University
5:15PM BIOFEST FUN RUN
- Meet across the street from the Campbell’s Lobby
6:30PM BIOFEST BANQUET
- Centennial Ballroom
7:45PM “Unless something goes terribly wrong” Film Screening
- Stehekin Ballroom
7:30-8:30AM Breakfast
- Centennial Ballroom
Section: Nuts & Bolts
- Stehekin Ballroom
- Moderator: MacLeod Pappidas and Sachin Khaniya
8:30-8:50AM Micronized Calcium Carbonate Pilot leads to Pleasant Surprises in Biosolids Production
- Chris Maher, Clean Water Services, OR
8:55-9:15AM Polymer Fundamentals
- Ed Fritz, Jacobs
9:20-9:40AM SOLAR Dryer: the Good, the bad, and the Ugly!
- Ken Windram, Hayden Area Regional Sewer Board
9:45-10:05AM Pima’s Plural Purposes for PONDUS
- Adam Parmenter, HDR, Inc.
10:10-10:30AM Beyond the Burn: Evaluating Sustainable Alternatives to Biosolids Incineration
- Brian Walker & Corrin Hamburg, City of Anacortes
10:30-10:45AM Break (Check out if needed)
Section: Nuts & Bolts, cont.
- Stehekin Ballroom
- Moderator: MacLeod Pappidas and Sachin Khaniya
10:45-11:15AM From paper to the plant… Does it realy get the phosphorus out? Real life stories about struvite removal.
- Deidre Bartlett, Epcor, Ben Nydegger, City of Boise, & Dan Freedman, Metro Water Recovery
11:15-11:25AM Break
Section: Sticking Around: PFAS, the forever topic
- Stehekin Ballroom
- Moderator: Valerie Ward and Katie Webb
11:25-11:40AM National Collaborative PFAS Project Update
- Dr. Ian Pepper, University of Arizona
11:45AM-12:05PM Biosolids and Public Health
- Holly Davies, DOH & Shirlee Tan, King County
12:10-12:30PM Biosolids PFAS Sampling Law Update from Ecology
- Emily Kijowski and Eddie Simons, Washington State Dept. of Ecology
12:30-1:30PM Lunch
- Lunch provided outside on the Terrace, above the Campbell’s Lobby
Section: Workshop
- Stehekin Ballroom
- Moderator: Dr. Sally Brown
1:30-2:45PM Workshop | Know the Answer Before You Ask the Question
- Manon Fisher, Brown and Caldwell
2:45PM Adjourn
Thank you to our 2026 Biofest Sponsors!
Pinecone Sponsor


Sprout Sponsor












