A Trusted Partner for Over 25 Years

OdorKnocker has been serving the mission-driven professionals of the water and wastewater industry for over two decades. We’re proud to support the people who keep our communities running smoothly and safely, providing innovative, eco-friendly solutions for H2S odor control.

Built for the Toughest Jobs

Our primary products, the Model RX and Odor Control Media, are engineered for long-term performance and durability. We know the environments our products serve are demanding, which is why we build them to withstand the toughest conditions—corrosive gases, traffic vibration, and constant wear and tear. Rainstopper inserts are a complementary, third-party solution designed to reduce inflow and infiltration in municipal sewer systems, protecting against costly damage and system overloads.

Committed to Sustainability

Our Odor Control Media is made with recycled materials, and our non-hazardous media is EPA and OSHA compliant. We’re committed to supporting sustainable practices while delivering reliable, long-term odor control solutions.

Our History

The Clemens family has a long history of supporting America’s water and wastewater infrastructure. It began in 1906 with Henry Clemens, who founded the Cannelton Sewer Company in Indiana. His son, Edward Clemens, expanded the business to Texas in 1956, supporting the growing infrastructure needs of the west. In 1996, Art Clemens invented The OdorKnocker, addressing the challenge of H2S odors in aging sewer systems and providing a practical, long-term solution for municipalities nationwide. Today, the company continues under the leadership of Jim Clemens, carrying forward a four-generation legacy of innovation and commitment to clean, safe water systems.

Ready to Work with a Trusted Partner?

We’re here to support you. Reach out today for quotes, questions, or guidance on finding the right products for your needs. We’d love to hear how we can support your mission.