Section 216-RICR-50-05-2.4 - Private Water System ClassificationsA. Commercial/Mixed Use Private Water Systems. Commercial/mixed use private water systems include, but are not limited to, small multi-unit commercial spaces or mixed-use (commercial/residential) buildings. This type of system provides potable water to tenants as part of some form of rental or lease agreement entered into by the owner of the system as part of a commercial enterprise.B. Multi-Family Residential /Shared Well Private Water System. Multi-family residential/shared well private water system designed to supply multiple residential units with potable water. These systems may include but are not limited to; small apartment buildings or multiple houses/condos on a shared well or private well field.C. Single/Duplex Residential Rental Private Water System. This type of system is designed to supply one or two tenants of record with potable water for consumption and use. The residential units (up to 2) associated with this type of system are not owner occupied.D. Individual Private Water Systems. This type of system is designed to supply an owner(s) and/or one tenant of record with potable water for consumption and use.216 R.I. Code R. 216-RICR-50-05-2.4