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Clogged Septic System? Simple Steps & DIY Advice

Clogged septic system? Many other homeowners like you have been there, too.

In this blog, we provide several easy steps you can take to address a clogged septic system. We also offer DIY drain snaking advice and tips on when you can call a septic company.

Step 1: Open Your Sewer Clean Out

A sewer cleanout with cap attached in a yard

The first step is to locate and open your sewer cleanout, as shown above.

What You'll Need

You’ll need a sewer cleanout plug wrench, a large pipe wrench, or large channel locks.

Opening your sewer cleanout will allow everything that’s backed up in your drains to come out of the opening. Be prepared for sewage to spill out onto the ground.

Pro Tip

Place several old towels, a tarp, or absorbent material around the cleanout before opening it. Have a bucket or wheelbarrow ready nearby in case the spill is significant.

You’re dealing with sewage, waste, and toilet paper. So, wear gloves, old clothes, and old shoes.

Step 2: Open Your Septic Tank’s Inlet Access Riser

A person wearing yellow gloves removing a septic access riser cover

Next, open your septic tank inlet cover. Check out Step 1 of this blog for specific tips on opening your access riser.

Your septic tank should have at least two access risers - the inlet riser and the outlet riser. Open the inlet riser - it should be the one closest to your home.

Are you unsure where your septic tank and inlet riser are? Visit our 3 Tricks to Locating Your Septic blog for assistance.

Open the lid and see what’s going on inside.

Step 3: Assess What You See Inside Your Septic Tank

What do you see inside your septic tank? You’ll either see mostly water or a ton of solids. If you see water, keep reading. If you see a crust of solid waste, jump down to "Solid Waste? Call a Septic Company".

Water? Likely a Septic & Drain Line Issue

Do you see water? If so, that’s what you should see inside (1/2” scum and solid crust is okay).

The issue is likely in the sewer/septic drain line that takes wastewater from your home into your septic tank.

Here are several possible issues:

  • Clog. The septic drain line could be clogged with a combination of toilet paper and items that should not be flushed.
  • Sewer Line Belly. You could have a sewer line belly. A sewer line belly is a portion of the sewer line that dips down. Bellies are a common cause of clogs.
  • Tree Roots. You could have some tree roots clogging the septic drain line.

How to Fix a Simple Septic Drain Clog

A person unclogged a sewer drain line with a drain snake

If it’s a simple clog in your drain line, you can likely unclog it yourself (be prepared to get a little dirty).

Follow these steps:

  • Get a Drain Snake. Run to your local hardware store, let an employee know what’s going on, and ask them for advice on the best drain snake.
  • Attempt Snaking via Septic Inlet. Stick the drain snake down the large white pipe leading into your septic tank. Pull back and forth as you work the snake up the drain line.
  • Attempt Snaking via Sewer Cleanout. If this doesn’t work, return to the sewer cleanout and try snaking towards your house, then away from it.

You’ll know you got the clog when you see water flowing inside the cleanout and into your septic tank.

Did snaking your own septic and sewer drains work? If so, congratulations! Please give yourself a high-five from us, as you've just fixed your clogged septic tank.

Call a septic company if the DIY drain snake doesn’t clear the backup. But, seriously, good on you for trying!

Your septic company should be able to determine the cause and handle necessary repairs.

Solid Waste? Call a Septic Company.

Now, if you see a crust or thick layer of solid waste, you may need to have your septic tank pumped.

Call a local septic pumping company, let them know you’re experiencing a backup in your home, and see if they can come out today or tomorrow.

During the service, the technician will likely start pumping the tank. Then they should inspect your septic system to ensure you don’t have issues with the baffles or drain field.

Hopefully, all you need is a septic pumping service. However, if you require additional septic repairs, your septic company should guide you through the options and ensure you are taken care of.

Contact Wind River Environmental for Professional Help

Need a professional? You’re welcome to call us - we serve New England, the Mid-Atlantic, and the Southeast portions of the United States.

We’ve served in the septic and wastewater industry for over 70 years and have successfully handled countless clogged septic systems like yours. Visit our Locations page to view our service area or contact us at your convenience.

Recommended Further Reading

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