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What are the signs that your septic tank is full?

Septic tanks require little maintenance, but they should still be inspected and emptied on a regular basis to prevent them from becoming a health hazard as well as keeping them in full working order. We recommend a service at least once every 12 months.

Here are some signs to look out for that indicate your septic tank might be full:

Puddles form around tank

Pools of water forming around your septic tank's drain field is a key sign of overflowing. It happens when your tank reaches full capacity as solid waste has blocked up the system, pushing liquid up to the surface. This is a sign it needs to be emptied as soon as possible to prevent further flooding.

Slow drains

If most of your house is draining slowly this could be a sign of a clog in your system or it’s full and needs emptying. There is simply nowhere for the liquid to go so it moves very slowly through the system. This delay indicates you need it to be inspected and serviced, or emptied.


One of the most obvious signs your tank is full is when you start to smell something unpleasant and if your septic tank is overflowing it will be quite noticeable.

Sewer backup

You definitely won’t miss this one as it’s the most obvious and most damaging. This usually occurs in the lowest drains in the house, so if they show signs of backing up, you need to get your tank emptied as soon as possible.

How can we help?

​​We supply and install septic tanks. We also provide a regular maintenance service to

ensure your system stays in tip top condition.

Our team of specialists can provide you with expert advice. Call us today on 0121 461 4861.

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