Section 250-RICR-150-10-4.4 - DefinitionsA. For the purposes of these Rules and Regulations only, the subsequent terms shall have the following meanings: 1. "Combined sewer overflow" means a structure within a combined sewage collection system that allows a discharge during a wet-weather event into a receiving water without going to a treatment works.2. "Department" means the Rhode Island Department of Environmental Management.3. "Director" means the Director of the Department of Environmental Management or his/her designee(s).4. "NPDES" means the National Pollution Discharge Elimination System, which may include the delegated Rhode Island Pollution Discharge Elimination System.5. "Operation and maintenance plan" or "Plan" means either an electronic or paper document submitted to the Director for evaluation and written approval. Each document shall include, but not be limited to, a description of the specific Wastewater Treatment Facility, procedures for operation and maintenance, required staffing levels, design and other pertinent information as enumerated in § 4.5 of this Part.6. "Owner" means a. The permittee named on the NPDES permit issued for the Wastewater Treatment Facility, or,b. A city or town or the State of Rhode Island, or district association, or other public body (created by or pursuant to Rhode Island State Law) having jurisdiction over a Wastewater Treatment Facility.7. "Sanitary sewer overflow" means an intentional or unintentional discharge of raw or partially treated Wastewater from any point within a Wastewater Treatment Facility's collection system. For the purposes of these regulations a Sanitary Sewer Overflow will not include a wet-weather-related discharge from any Combined Sewer Overflow authorized within a NPDES permit.8. "Wastewater" means human waste from any receptacles intended to receive or retain bodily waste products, and any organic or non-biological wastes from residences, businesses, institutions and industries or any combination of the above, as well as any water used as a means of conveyance of such wastes, which is intended to enter a Wastewater Treatment Facility for collection, conveyance, treatment and discharge in accordance with a NPDES permit.9. "Wastewater treatment facility" means a group or assemblage of processes, devices and structures for the conveyance, treatment or removal of objectionable constituents of Wastewater. A Wastewater Treatment Facility shall include, but not be limited to, all physically connected Wastewater collection system piping, pumping, storage, physical, chemical and/or biological treatment, filtering and disinfection systems. For the purposes of these Rules and Regulations, a Wastewater Treatment Facility shall include privately owned wastewater collection, pumping, storage and conveyance systems interconnected with and emptying into a host Wastewater collection system. For the purposes of these Rules and Regulations, a Wastewater Treatment Facility shall not be considered to be:a. An Onsite Wastewater Treatment System, which does not discharge into surface waters but discharge into subsurface waters; or,b. Any privately owned plumbing; or,c. Any privately owned low-pressure grinder pumps; or,d. Gravity sewer lines conveying an average flow of less than 30,000 gallons per day, as calculated by the Department's "Flow Estimation Policy for Design of Sanitary Sewers."250 R.I. Code R. 250-RICR-150-10-4.4