Invasive Species Corporation takes on the mussels clogging water systems
Invasive Species Corporation offers water operators a biological treatment for invasive mussels that can clog pipes and intakes. Its next challenge is making that treatment easier to use in different water systems.
Making treatment practical
The Davis, California, company develops products from microorganisms and other natural sources. It offers Zequanox, a mussel-control product, for use by operators of water-treatment, power and irrigation facilities. Prospective buyers are directed to contact the company to order.
In a report on its 2024 activities, the U.S. Department of the Interior said production costs, formulation and application challenges had limited wider use of Zequanox. It reported that U.S. Geological Survey scientists were working with the company to evaluate improved formulations and delivery methods.
A new format for an existing treatment
On October 14, 2026, Invasive Species Corporation introduced Zequanox 2.0 as water-dispersible granules and slow-release tablets. The company said the formats were designed to address handling and delivery obstacles, and invited water operators, agencies and researchers to join field demonstrations.