Do's & Don'ts

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Guidelines to Keep Your Mechanical Home Sewage System Working

Please follow these important helpful tips to ensure your mechanical sewer system functions properly.

DO keep detailed records on your ATU. This includes model name, capacity, date installed, contract service agreements, records of services visits, and maintenance performed.

DO conserve water to avoid overloading the system. Repair leaky faucets and toilets. Use water saving features on appliances.

DO divert other sources of water like roof drains, house footing drains, and sump pumps away from the ATU.

DO become familiar with how your system operates. Know the way it looks, smells, and sounds when operating properly.

DON'T allow anyone to park or drive over any part of your system.Garbage Disposal Limits

DON'T make or allow unauthorized repairs or changes to your ATU without obtaining a permit from the Parish Health Unit.

DON'T use a garbage disposal without checking with the health department to make sure your ATU can accommodate this additional waste.

DON'T attempt to clean or perform maintenance on any sealed ATU components.

DON'T flush or pour any chemicals into your system.

Do Not Flush List 


  • Coffee Grounds
  • Dental Floss
  • Disposable Diapers
  • Kitty Litter
  • Sanitary Napkins
  • Tampons
  • Cigarette ButtsDo Not Flush
  • Condoms
  • Gauze Bandages
  • Fat, Grease or Oil
  • Paper Towels


  • Paints
  • Varnishes
  • Thinners
  • Waste Oils
  • Photographic Solutions
  • Pesticides

These items can destroy the biological processes taking place in your sewage treatment system.