Section 250-RICR-150-10-6.15 - Onsite Wastewater Treatment Systems - GeneralA. Any dwelling or other building having plumbing fixtures from which wastewater is produced, in a location where no public wastewater system is available or accessible, shall be provided with an OWTS of type and design approved by the Director.B. All of the components of an OWTS shall be located within the boundary of the property upon which the building or dwelling served by the OWTS is located. Exemption to this requirement may be granted for OWTSs serving more than one (1) unit in a proposed subdivision or for any OWTS repair.C. Household Laundry Systems - For an OWTS designed to receive household laundry waste only, a leachfield sized to accept twenty percent (20%) of the design flow may be used without the installation of a septic tank.D. Issuance of Building Permits For Activities Requiring Approval Under These Rules - A municipality shall not issue a building permit pursuant to R.I. Gen. Laws Chapter 23-27.3, unless all written approvals by the Director required by these Rules have been presented to the municipality and said approvals are valid at the time of the issuance of the building permit.E. Connection to a Public Wastewater System - An OWTS application shall not be approved if such OWTS is proposed to serve a premises for which a public wastewater system is reasonably accessible as determined by the Director, and for which permission to enter the public wastewater system can be obtained from the authority having jurisdiction. The Director shall require the owner or occupant to connect the structure to a public wastewater system within a specified period of time if the following occur:2. Public wastewater system is reasonably accessible as determined by the Director; and3. Permission to connect to the public wastewater system can be obtained from the authority having jurisdiction over it.F. Component Substitution - For an OWTS approved, but not yet installed, with a septic tank, grease tank, pump tank, or distribution box that does not meet the updated construction standards in these Rules, a substitution of components complying with these Rules may be made provided as-built plans are submitted to the Department upon completion of construction. No substitution of leachfields or leachfield components may be made under this § 6.15(F) of this Part.G. Data Quality - Effluent samples and water quality samples shall be collected, stored, transported, and analyzed in accordance with the United States Environmental Protection Agency approved procedures.250 R.I. Code R. 250-RICR-150-10-6.15
Amended effective 11/25/2018
Amended effective 12/28/2021
Amended effective 7/1/2022