BioLargo, Inc. (OTCQX:BLGO) said its wholly owned subsidiary, BioLargo Equipment Solutions & Technologies, Inc. (BEST), is conducting two extended, paid PFAS treatment pilots for industrial clients. The projects are taking place at BioLargo Engineering’s facility in Oak Ridge, Tennessee, using BEST’s Aqueous Electrostatic Concentrator (AEC) technology.
The company said industrial applications now represent the majority of BEST’s commercial opportunity pipeline. The activity follows its first municipal drinking water installation in New Jersey and comes as recent PFAS settlements highlight financial exposure linked to contamination claims and remediation.
#Industrial pilots target customer-specific water streams
The pilots are assessing how the AEC performs on the participating customers’ water streams. BEST said the resulting data may inform potential full-scale system designs and purchasing decisions.
The subsidiary’s wider pilot and validation work covers landfill leachate, concentrated brines, industrial pretreatment, soil-washing water and water reuse. According to the company, these evaluations produce application-specific performance data for engineering design, customer purchasing decisions and future equipment sales.
BEST initially concentrated on municipal drinking water, where grant funding and utilities’ practice of sharing treatment results supported adoption and independent validation. The company now also uses paid pilot and bench-scale evaluations to help industrial clients examine the AEC for their own applications.
#PFAS settlements cited as industrial context
BioLargo pointed to several recent settlements as evidence of the financial exposure associated with PFAS claims. On November 3, 2026, 3M announced an agreement to commit $7.35 billion over nine years to resolve PFAS-related personal-injury claims involving aqueous film-forming foam used in firefighting. The agreement followed an earlier settlement with public water suppliers.
On September 10, 2026, DuPont, Chemours and Corteva announced a combined $455 million settlement with North Carolina and 11 local entities. The payments are due over 15 years and address PFAS and other historical discharges from the Fayetteville Works manufacturing facility, along with certain other PFAS-related claims.
BioLargo also cited PFAS settlements involving DuPont-related companies and 3M that a federal court approved in August 2026. Those settlements were valued at approximately $2.5 billion and included industrial-site remediation commitments and funding to address PFAS contamination.
The company said New Jersey’s announced funding framework includes assistance through the New Jersey Water Bank for drinking water systems and publicly owned treatment works. Funding and procurement processes can affect the timing of municipal projects, while industrial owners and operators typically make purchasing decisions directly.
#Lake Stockholm installation remains in operation
At Lake Stockholm, New Jersey, BioLargo said its AEC has been removing PFAS from drinking water since January 2026 under joint monitoring by the New Jersey Department of Environmental Protection and the U.S. Environmental Protection Agency.
The company said treated water continues to meet New Jersey drinking water and EPA standards. BEST is working with the community to add standard pretreatment to address increased source-water hardness and improve operating efficiency.
#Technology considerations and commercial plans
BioLargo said conventional PFAS treatment methods, including activated carbon and ion exchange, can involve operating costs, media replacement, breakthrough of certain short-chain PFAS compounds and the management of PFAS-containing spent media. The company described complementary technologies, including final polishing applications, as relevant to treatment objectives that are becoming more stringent.
BEST develops and deploys the AEC and works with engineering firms, remediation contractors, treatment equipment providers and sales representatives in North America and internationally. Water reuse, including applications for data center operations, is another area the company identified as developing.
BEST President Tonya Chandler is scheduled to lead a PFAS 101 MasterClass on November 12 at the annual International Water Conference in Orlando, Florida.
BioLargo President and CEO Dennis Calvert said the company is exploring relationships with financial and operating partners that could help accelerate commercialization and expand market reach. The company did not state that any such relationships had been completed.
#Key Takeaways
- BioLargo’s BEST subsidiary is conducting two extended, paid industrial PFAS treatment pilots at a facility in Oak Ridge, Tennessee.
- The pilots use the AEC to assess treatment performance on customer-specific water streams.
- BioLargo cited PFAS settlements involving 3M, DuPont, Chemours and Corteva, including 3M’s commitment of $7.35 billion over nine years and a combined $455 million settlement payable over 15 years.
- The company said its AEC has been removing PFAS at Lake Stockholm, New Jersey, since January 2026, with treated water continuing to meet New Jersey drinking water and EPA standards.
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