New Construction Permit: Required for installing an OSTDS on a property where no system currently exists.
Existing System Permit: Issued for evaluating or permitting an existing system when there is a change in property use, ownership, or system function.
Repair Permit: Needed to fix a failing or damaged OSTDS to restore proper function.
Modification Permit: Required for altering an existing system, such as expanding capacity, relocating components, or changing the system type.
Abandonment Permit: Necessary to properly decommission and dispose of an OSTDS that is no longer in use.