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DIY guideSeptic system

Sewer or septic? How to tell

Check your bills, see which way the drain pipe leaves, and look for a tank lid in the yard: know where your drains go before anything backs up.

  • 10 to 20 min
  • 5 steps
  • Every step animated
Sewer or septic? How to tell: the animation’s first picture

5 steps

Tap a step to watch it again.

  1. A sewer charge on your water or tax bill means city sewer. No sewer charge, and a well, usually means septic.

  2. In the basement, find the big drain pipe and see which way it leaves the house: toward the street, or out to the yard.

  3. Walk the yard on that side: one or two round lids or a low cap in the grass, often a few steps from the house.

  4. The seller's papers, the town office or a neighbour can confirm it. Write down what you have, and where the tank is.

  5. Never lift a septic lid or lean over an open tank: the gases in it can kill. To find, open or pump the tank, ask Handyman for a septic pro.

What you need

  • A recent water or tax bill
  • A flashlight

Call a pro if

  • You need the tank found, opened or pumped
  • Drains are slow all through the house
  • Wet, smelly ground over the tank or field

Handyman says: Leave the lid on. I'll find a septic pro.

Free for every home. Handyman asks a few questions, then books a pro it trusts.

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