Koester understands that your municipality's needs are unique and of the highest priority.

Whether it’s staying in compliance with the latest environmental regulations, achieving targeted nutrient removal, building a more modernized and energy efficient plant, or simply rehabilitating your existing one, Koester has the answer.  We offer an array of custom technologies, packaged solutions, and professional services for water and wastewater treatment to ensure flexible, cost-effective operations and treatment solutions specific to your project needs.