PolyGone Systems, a cleantech company and Princeton University spinout focused on microplastic monitoring and removal, announced it has raised $4 million in Seed funding to expand its filtration and water analysis capabilities. The round was led by FYRFLY Venture Partners, with participation from Tech Council Ventures, Interstate Fusion Ventures, Golden Seeds, and angel investors. The New Jersey Innovation Evergreen Fund matched $1.65 million of the raise.
Founded in 2021 and based in New Jersey, PolyGone develops patented filtration systems that remove 98% of toxic microplastics from water at a cost, it says, 90% lower than alternative methods. The company is currently operating a wastewater removal pilot for the Atlantic County Utilities Authority and has signed three new commercial deployments in 2026, targeting municipal treatment facilities, industrial water systems, and the food and beverage sector.
In parallel with the funding, PolyGone formally launched its microplastics analysis service, offering water testing for public agencies, private companies, and government utilities. The service is designed to help organizations better understand exposure risks and regulatory compliance requirements related to microplastic contamination.
With the new capital, PolyGone plans to manufacture and deploy its first commercial municipal PolyPod™ systems, engineered to treat up to 10 million gallons of water per day for microplastics. The company is also preparing to introduce an inline PolyCartridge™ filtration system for industrial water streams.
PolyGone aims to combine advanced microplastics analysis with deployable filtration technologies, positioning itself as both a monitoring and remediation partner for municipalities and industrial operators facing rising environmental and regulatory scrutiny around microplastics.
KEY QUOTES:
“Microplastics are not only the most pervasive contaminant in our waters, but the most misunderstood. This funding allows us to build the infrastructure needed to monitor microplastics across industrial, municipal, and community settings while scaling an ecosystem of filtration technologies.”
Nathaniel Banks, CEO Of PolyGone Systems
“PolyGone is on the path to creating a proprietary data and intelligence source that becomes critical to solving the global microplastics crisis. PolyGone will be a must-have partner for water authorities that protect public health and for industrial companies that face increasing public and regulatory pressure to rein in microplastics pollution.”
Julie Maples, Co-Founder And General Partner At FYRFLY Venture Partners
