How to Tell If You Have a Septic System

Not every home is connected to a city sewer system. Many homes — especially in rural or suburban areas — rely on a septic system instead. If you’re not sure which one your home uses, there are a few simple ways to find out.

Here’s how to tell if you have a septic system.

Look for a septic tank lid or manhole

One of the easiest ways to check is to look around your yard. A septic tank will usually have one or two round lids or manhole covers in the lawn, typically 10 to 20 feet away from the house. These might be flush with the ground or raised slightly if risers were installed.

If you’re not sure what to look for, a septic service company (like us) can help you locate it.

Check your water bill

If your water bill only shows charges for water usage — and no sewer fee — that’s a sign you probably have a septic system. Homes connected to a public sewer typically pay both water and sewer fees.

No sewer charge = likely septic.

Ask your county or local utility

Your county health department, local utility company, or permitting office may be able to confirm whether your property is connected to a city sewer line or if it was permitted for a septic system.

This can be especially helpful if you’ve just moved in or are buying a home.

Review your home inspection report

If you bought your home recently, the inspection report may mention whether the property has a septic system. You can also check with your realtor or the seller if that information wasn’t included.

Watch for signs of a drainfield

A flat, open area of grass — often free of trees or large plants — could be your drainfield. This is where the liquid from your septic tank flows out and gets filtered by the soil. If you see one of these areas in your yard (especially near the tank lids), you likely have a septic system.

Bottom line

If you’re not sure whether your home is on a septic system, these simple checks can usually give you the answer. Knowing what type of system you have is the first step to taking care of it properly — and avoiding unexpected problems.