About Us
A Family Business Dedicated to Clean Water Since 1889
Roberts Filter Group has been pioneering water treatment for more than 135 years. Founded in 1889 by Charles Roberts—one of the first to patent a U.S. water filter—we remain family-owned and committed to protecting communities with reliable, American-made solutions. Today, under fifth-generation leadership, Roberts Filter Group stands as one of the world’s most trusted names in municipal and industrial water treatment
Our Story
Roberts Filter Group has been pioneering water treatment for more than 135 years. Founded in 1889 by Charles Roberts—one of the first to patent a U.S. water filter—we remain family-owned and committed to protecting communities with reliable, American-made solutions. Today, under fifth-generation leadership, Roberts Filter Group stands as one of the world’s most trusted names in municipal and industrial water treatment.
From supplying Baltimore’s first municipal filtration system in 1910 to supporting Puerto Rico’s PRASA for over a century, our story is one of innovation and partnership. Each generation of leadership has introduced new technologies — from dual-media filtration to patented underdrain systems — always with a focus on long-term reliability and customer trust.
What Sets Us Apart
Proven Experience
Over 4,500 filtration systems installed across six continents.
Made in America
ISO 9001-certified, in-house manufacturing facility located in Coatesville, PA
Long-Term Partnerships
Multi-generational relationships with municipalities like Baltimore, Philadelphia, and PRASA
Innovation That Lasts
35+ active patents, continuously advancing filtration technology
End-to-End Support
From design and installation to inspections, upgrades, and media changeouts
Customer Satisfaction
our community plege to relable, safe, clean,water treatment systems.
Manufacturing & Compliance
At Roberts Filter Group, we invest continuously in our U.S.-based manufacturing facility to ensure every system is built to the highest standards of quality and reliability. Our ISO 9001-certified plant in Coatesville, Pennsylvania is equipped with modern CNC machines, laser cutters, precision welders, and automated fabrication technology — allowing us to deliver repeatable, engineered-to-order solutions.
As a fully Build America, Buy America (BABA) compliant manufacturer, Roberts provides utilities and industries with the confidence that their projects meet all federal infrastructure funding requirements. From raw material sourcing to final assembly, every product is proudly American-made and backed by more than 135 years of craftsmanship and innovation.
Our Mission
We believe every community deserves safe, reliable water. Our mission is to design and support filtration systems that not only solve today’s challenges but continue performing for decades to come. By combining engineering expertise with a commitment to service, we help utilities and industries protect public health, stay compliant, and plan confidently for the future.
Looking for a partner you can trust with your water system?
Roberts Filter Group has been standing behind communities for five generations. Let’s work together to safeguard your water supply.
