Welcome to RI DEM’s Onsite Wastewater Treatment System (OWTS) Permit Application Search. This page searches permitting activities administered by the State for OWTS permit applications received after 1968. Permits are designed to meet requirements of RI State Law to ensure the proper location, design, installation and maintenance of OWTS used for the treatment and dispersal of wastewater, which is an essential part of protecting public health and our water resources. For additional information, please visit our website at dem.ri.gov/septic.

Enter search criteria below to view historical information or permit status for all applications. When viewing the details of a conformed permit, you may Download PDF images (if available) or Generate a Certificate of Conformance for all permits if one has been granted by the DEM.

To schedule a DEM File Review, email a Request for Records Form to DEM.FileReview@dem.ri.gov