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3 9. Certified. - An individual who is included on the agency’s certification list and is qualified to perform appropriate tasks associated with the certification. 10. Certified Statement. A statement signed by a certified individual, apprentice, or Qualified Employee under Minnesota Rules, Chapter 7083 certifying that the licensed business or Qualified Employee completed work in accordance with applicable requirements. 11. Cesspool. An underground pit, receptacle, or seepage tank that receives sewage directly from a building sewer and leaches sewage into the surrounding soil, bedrock, or other soil materials. Cesspools include sewage tanks that were designed to be watertight, but subsequently leak below the designed operating depth. 12. Class V Injection Well. A shallow well used to place a variety of fluids directly below the land surface, which includes a domestic SSTS serving more than twenty (20) people. The U.S. Environmental Protection Agency (EPA) and delegated state groundwater programs permit these wells to inject wastes below the ground surface provided they meet certain requirements and do not endanger underground sources of drinking water. Class V motor vehicle waste disposal wells and large-capacity cesspools are specifically prohibited (see 40 CFR Parts 144 & 146). 13. Cluster System. A SSTS under some form of common ownership that collects wastewater from two or more dwellings or buildings and conveys it to a treatment and dispersal system located on an acceptable site near the dwellings or buildings. 14. City. City of Gem Lake, Ramsey County, Minnesota. 15. City Council. The City of Gem Lake City Council. 16. Department. The City of Gem Lake Department designated by the City Council to administer this ordinance. 17. Design Flow. The daily volume of wastewater for which a SSTS is designed to treat and discharge. 18. Dwelling. Any building with provision for living, sanitary, and sleeping facilities. 19. Flood Plain. The channel or beds proper and the areas adjoining a wetland, watercourse, or lake which a regional flood may have or could hereafter cover. Floodplain areas within the City shall include all areas shown as Zone A or Zone AE on the flood insurance rate map. Refer to Gem Lake City Ordinance No. 114 for further definitions. 20. Failure to Protect Groundwater. At a minimum, a SSTS that does not protect groundwater is considered to be a seepage pit, cesspool, drywell, leaching pit, or other pit; a SSTS with less than the required vertical separation distance, described in Minnesota Rules, Chapter 7080.1500 Subd. 4 D and E; and a system not abandoned in accordance with Chapter 7080.2500. The determination of the threat to groundwater for other conditions shall be made by a Qualified Employee or SSTS-licensed inspection business. 21. Hazardous Waste. Any substance that, when discarded, meets the definition of hazardous waste in Minnesota Statutes, section 116.06, subdivision 11. 22. Holding Tank. A tank for storage of sewage until it can be transported to a point of treatment and dispersal. Holding tanks are considered a septic system tank under Minnesota Statutes, section 115.55. 23. Imminent Threat to Public Health and Safety. At a minimum a SSTS with a discharge of sewage or sewage effluent to the ground surface, drainage systems, ditches, storm water drains, or directly to surface water; SSTS that cause a reoccurring sewage backup into a dwelling or other establishment; SSTS with electrical hazards; or sewage tanks with unsecured, damaged, or weak maintenance access covers. The determination of protectiveness for other conditions must be made by a Qualified Employee or a SSTS inspection business.