States are responsible for the operation of their CWSRF program and for selecting the projects that receive assistance. Septage treatment works and pumper trucks to support the proper maintenance of decentralized systems.Construction/installation of new systems costs associated with the establishment of a responsible management entity (RME) (e.g., permitting fees, legal fees, etc.) and.Upgrade (e.g., nutrient removal), repair, or replacement of existing systems.CWSRF-eligible decentralized wastewater treatment projects include: The CWSRF programs function like environmental infrastructure banks by providing low interest loans to eligible recipients for water infrastructure projects. Under the CWSRF, EPA provides grants to all 50 states plus Puerto Rico to capitalize state CWSRF loan programs. EPA Clean Water State Revolving Fund (CWSRF)