The VermiDigest by BioFiltro

March 2024

Greetings from BioFiltro! We have been wriggling around with activity this Spring and have exciting news to share with our worm family.

New Installations

BioFiltro is proud to partner with the Tri-Cities Airport in Pasco, WA for a new pilot program set to study the effectiveness of worm-powered wastewater treatment on airport deicing wastewater. Check out the press release below!

Pasco, WA – Tri-Cities Airport (PSC) is pleased to partner with BioFiltro for an exciting pilot program that will study the effectiveness of worm-powered wastewater treatment on airport deicing wastewater. Deicing is critical for aircraft in the winter months, but deicing fluids are predominantly made of ethylene glycol, propylene glycol, and other ingredients that are potentially dangerous for the environment if not properly collected and disposed.

“It sounds strange to use worms to treat deicing fluid, but we’re excited to tap into this innovative, sustainable way to manage a necessary aviation product,” said Buck Taft, Airport Director. “We hope this pilot program will be a success story for the entire aviation industry.”

Read the Full Press Release Here!

BioFiltro News

Our New Chairman of the Board: Steve Rowe

We are thrilled to introduce Steve Rowe as BioFiltro’s Chairman of the Board. Rowe has been an impactful organizational executive and sustainability leader by spearheading sustainability initiatives at numerous associations and councils. Rowe holds a Bachelor of Science Degree in Natural Resources from the University of Michigan and a law degree from the University of Utah. He brings extensive expertise to his role as Chairman of the Board at BioFiltro as an executive and legal counsel. Steve visited the office in March to discuss BioFiltro’s plans for 2024 and announce his new role. Our team is excited for Steve and grateful for the in person time with him this month!  

Alberto Dairy System in May

Alberto Dairy in Stanislaus County will soon be home to about 8 acres of BioFiltro’s vermifiltration system to clean 100% of their liquid manure. We will be breaking ground on this exciting new project in May of this year.

The project will significantly reduce the dairy’s greenhouse gas (GHG) emissions, predominantly in the form of methane emissions from the existing anaerobic lagoon. BioFiltro’s system will also transform the manure into a nutrient-rich vermicompost, which increases soil health and adds carbon to crop soils. The vermifilter is expected to remove more than 80% of the volatile solids and nitrogen from the liquid manure, thereby reducing the risk of contaminating groundwater.

It’s no surprise that Alberto Dairy is an early adopter of this innovative technology. Established in 1981, the family has implemented many sustainable practices, including a closed-herd system to ensure optimal health and low disease rates, composting, a climate-controlled calf barn, and much more.

  • BioFiltro’s system will reduce GHG emissions from manure management from 4,947 to 1,238 metric tons of carbon dioxide equivalent (MTCO2e) a year.
  • The overall project improvements, including new mechanical separators, will reduce GHG emissions by 7,654 MTCO2e annually.
  • Approximately 1,740,000 gallons of manure water will be recycled every day.
  • The vermifilter will produce approximately 25,278 dry tons of vermicompost over five years, enough to boost the soil health of about 1,087 acres.

By implementing this project, Alberto Dairy’s worm farm will have a positive environmental impact on climate, soil quality, water quality and quantity used, and air quality.

Recent Events

Earlier this month, BioFiltro hosted the Humphrey Fellowship Program at UC Davis. This selective program brings accomplished mid-career professionals with a commitment to public service from countries with developing and emerging economies to the United States for one year of non-degree study and practical professional development. Engaging with the community offers opportunity for new perspectives and societal growth, and we cherished hosting the fellows for an evening of snacks and an introduction to BioFiltro. We are thankful that Hipolito Amaral Ximenes, Arslan Garryyev, Anthony Kullie, and Bagher Yousefi joined us and we continue to enjoy the process of this program.

Check It Out

BioFiltro’s BIDA was included in the California League of Food Producers new 2024 edition of the Manual of Good Practice for Land Application of Food Processing/Rinse Water. Our BIDA system was listed as an effective solution for secondary biological treatment to remove Biochemical Oxygen Demand (BOD) and Total Suspended Solids (TSS) by 90%. We encourage food processors who need to reduce these constituents to contact BioFiltro today for a quote! Check Out the Manual Here!

On Our Calendar

April 18th, 2024

Earth Day at Michael Ros Winery

Fredericksburg, TX

An exclusive event hosted by Michael Ros Winery discussing their water filtration process and the benefits of their BioFiltro system. Wineries and industry leaders around the Texas hill country who are interested in checking out a BioFiltro system can email to join this event.

April 20th, 2024

Earth Day at Wise Villa Winery

Lincoln, CA

Wise Villa Winery welcomes everyone to a fun day showcasing the winery’s sustainability initiatives and BioFiltro’s worm-powered wastewater system at the winery. Biofiltro Engineering Project Manager, Gilbert Miito, will be representing Biofiltro and our sustainable system.

Learn more here.

April 27th, 2024

Earth (Worm) Day at Peltier Winery

Lodi, CA

Peltier Winery is hosting an Earth (Worm) Day with a tour of their amazing Biofiltro worm farm. Tickets for the event include a worm farm tour lead by Biofiltro, a glass of wine, and live music. Buy your tickets today!

Buy Your Tickets Today!

April 30 – May 1, 2024

U.S. Sustainable Winegrowing Summit

Lodi, CA with virtual attendance options

BioFiltro is a proud sponsor of this event! Register today and learn about cutting-edge sustainable and climate beneficial practices being adopted in vineyards and wineries across the U.S. and in the broader value chain. Be inspired and gain ideas on how to share sustainable winegrowing stories with consumers and trade. Engage in conversations and build community with others dedicated to sustainability and wine.

Register now!

May 2, 2024

Worm Farm Tour at Peltier Winery

Lodi, CA

We invite wine industry professionals and affiliates to join us for an in-person demonstration of Peltier Winery’s worm farm. More than 5 million gallons of wastewater have been treated by BioFiltro’s worm-powered system and recycled for vineyard irrigation.

RSVP now by emailing us at or on Eventbrite


Thank you for being a part of our journey, and we look forward to continuing to serve you with our worm-powered wastewater solutions. 

Stay subscribed for more exciting updates!

BioFiltro worm water drop