Facilities That RequireRegular Backflow Testing Servicing Nassau County, NY Testing Backflow and Water Safety Type Medical Facilities Hospitals Clinics Laboratories Veterinary Hospitals/Clinics Embalmers Physical Therapy Clinics Morgues Autopsy Facilities Nursing Homes Convalescent Homes Medical Offices With Radiographic, Physical Therapy, and/or Laboratory Facilities Treatment Plants Sewage Treatment Plants Wastewater Treatment Plants Industrial Waste Plants Pumping Stations Commercial Manufacturing/Storage Automotive Plants Aircraft/Missile Plants Beverage Bottling Plants Breweries/Distilleries Chemical Plants Car Wash Facilities Dairies and Cold Storage Plants Metals Manufacturing Plants Paper and Paper Products Plants Plating Plants Temporary Services (Street Cleaners, Tank Trucks Using Hydrants) Petroleum and Gas Processing or Storage Facilities Sand, Gravel, Concrete, or Asphalt Plants Radioactive Materials, Substances, or Handling Plants Rubber Plants (Natural or Synthetic) Power Plants Technical Schools, Colleges, and Universities Solar Heating Systems (Direct or Auxiliary) Food Processing (Manufacturing, Canning, Packaging) Waterfront Facilities (Docks, Marinas, etc.) Photographic Film Processing Plants Buildings Warehouses Used for Storage of Hazardous Materials Buildings with Water Booster Jump and/or Water Storage Tanks Supermarkets Restaurants Schools, Research Facilities, and Any Buildings With Laboratories Automatic Lawn Sprinklers - (Residential and Commercial) Buildings With Sewage Ejectors Factories Shopping Malls Buildings With Fire Service