5 Signs Your Septic Tank is Full: Knowing the Indicators

Worried your septic tank might be full? Look no further. With this guide, you’ll be well on your way to identifying the signs your septic tank is full. If you find yourself unsure whether your septic tanks in Bethany, Ontario are full, this article may be able to help. Now, onto the signs.

Septic Tank

1: Pooling Water

One of the key signs that your septic tank could be overflowing is pooling water around the drain fields. If you’re lucky enough to catch the overflow this early, now you know it’s a surefire sign of an overfilled tank and can act accordingly. Always make sure that any water pooling out of the tank is taken care of.

2: Slow Draining 

If you start to notice any of the drains in your house holding water for too long or draining slowly, it might be time to check your tank. Drains holding water for too long is a key sign that your tank is too full. This can be a rather inconvenient indicator of a full tank. 

3: Trouble Flushing

Having trouble getting your toilets to flush? This may be yet another sign that your septic tank is full. When all the toilets in your house are no longer flushing properly, it may be time to take a look at the tank. Don’t ignore this sign, it could be trying to tell you your septic tank is full.

4: Odors

By far the least appealing of the signs, if you ever notice a foul smell around the house or near the tank itself, take a quick look inside your tank. This is one sign that’s hard to ignore, and more often than not it simply means your tank is full. If you smell a foul odor, check your tank. 

5: Gurgling Sounds in Pipes

Notice any gurgling sounds coming from your pipes? Don’t ignore it. Any abnormal sounds coming from your pipes or otherwise could be caused by a full tank. When you hear this warning sign, go the extra mile. Don’t just ignore something like this, it could lead to your tank overflowing.


Overall, there are some clear indicators you can watch out for that will alert you when your septic tank is close to overflowing. Always make sure to be aware of the signs, don’t ignore something you think could be a problem.

Septic tanks can be a tricky thing, but with the help of these tips, you’ll be able to spot the signs so that you can prevent overflowing. Hopefully, with this list, you can prevent any overflow with your own tank. The bottom line is this, never ignore what could clearly be a sign of a full septic tank.