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How To Tell If Septic Tank Is Full: A Brief Guide

King's Services

A worker in a high-vis vest looks into an open manhole.

Septic tanks allow you to live comfortably in the beautiful countryside. However, they require some attention, and homeowners must be proactive in emptying them. If you're searching “How to tell if a septic tank is full,” you may be interested in chatting with a trusted local provider of septic system inspection in Manitoba


Below, King's Services explains more about why having your septic tank pumped before it fills up could save you a lot of trouble.


A Full Septic Tank Becomes Unpleasant Quickly


When a house isn't connected to a city's sewer line, septic systems allow for modern-day plumbing. However, because the sewage sits in a tank rather than naturally draining, it requires emptying by a septic service when it becomes full.


What does full mean when it comes to septic tanks?


  • Normal: The amount of waste it can hold will depend on the size of the septic tank. When a tank is full to its normal level, the wastewater can still flow in and out without a problem.
  • Accumulating: When a homeowner doesn't empty their septic tank, it can accumulate sludge. The wastewater can still drain out, but at this stage, removing the sludge requires professional attention. Call a septic service for help before it overflows.
  • Overflowing: When your septic system overflows, water can no longer drain out and will back up into the overflow tank. If the water levels reach too high, it can cause some disgusting and expensive damage.


#1 Pooling Water Is A Classic Sign Of a Full Septic Tank Not To Ignore


There are several signs that it’s time to call an expert to check your septic system and determine if it needs emptying. The first of these is pooling water.


Regularly examine your drainage field for pooling water when it hasn’t rained recently. Water will begin to pool when heavier waste-filled liquid blocks the system, forcing it up to the surface. You can determine if the water comes from your septic tank by the smell.


#2 Slow Drains Might Be a Clog But Not Always


To avoid waste water, every drain in your home will lead to your septic system. If they're draining slowly, you either have a clog in the pipe system or your tank is full. Vinegar and baking soda solutions may clear small clogs of organic material, but if the problem persists, it’s best to call a plumbing expert like King’s Services to inspect and empty the septic tank.


#3 How to Tell If Septic Tank Is Full From Foul Smells


Most people can instantly identify the distinct smell of sewage, but you shouldn’t be smelling it around your home. If you are, there’s a serious block in your septic system. 


The area around your septic tank should also be odour-free. If not, seek professional plumbing help.


#4 Luscious Grass Isn’t Always Thanks to Rainfall


Who doesn't want a beautiful lawn with healthy-looking grass? If you've worked hard to have a consistently green lawn, you might overlook this warning sign because a backed-up septic tank can make the grass around it look amazing.


However, no matter how well you care for your yard, this patch of grass will stick out to alert you to a leak or an overflowing tank.


#5 An Obvious Sewer Backup Needs Quick Intervention Before Things Deteriorate


If you're wondering how to tell if your septic tank is full, the most obvious sign is sewage backing up into your home. You'll notice it first in the lowest drains, such as in the basement, and see wastewater or even actual sludge. So, for the sake of your health, comfort, and property, call for help immediately!


#6 Don’t Ignore Those Gurgling Pipes For Too Long


Gurgling is a low-frequency bubbling sound, often heard when water drains from a sink, toilet, or shower. A blockage in the pipe can cause gurgling as it traps the air and prevents liquids from effectively draining. That’s why it's an early warning sign something is wrong with your plumbing.


#7 Trouble Flushing Might Be Trouble With Overflow


Does your toilet lack the power it once had? Is it draining too slowly? Much like slow drains, this indicates a blockage in your septic system, and you should address it quickly.


#8 The Last Sign of a Full Septic Tank Is More Bugs


Flies and midges lay their eggs in the standing water and waste. If you have a filled septic tank, you’ll certainly notice an increase in their numbers, especially around the tank.


A Word on Maintaining Your Septic Tank


Can you avoid septic tank problems? Yes, by practicing proper maintenance. Use the following suggestions to keep your septic system fully functional.


Empty It Regularly

With normal use, your septic tank should fill up every three to five years. Look for the signs of a filled septic tank and empty it promptly to avoid property damage or health concerns.


Inspect It Annually

A septic service can inspect your system once a year to help you prevent issues. The team will determine if the tank is full, find leaks, and remedy other common problems.


Keep It Clear

Certain materials can clog your septic system even before it's full. Avoid putting the following materials down your drain:


  • Baby wipes, even if they're flushable
  • Kitty litter
  • Coffee grounds
  • Dental floss
  • Diapers, even if they're disposable
  • Dryer sheets
  • Latex products
  • Paper towels or tissues
  • Prescription drugs or medicines


Install Flood Detection

Did you know that you can install a flood sensor in areas prone to flooding? It will detect backups in your septic system and send a notification to your smartphone! Be sure to ask King’s Services more so that you can avoid unexpected sewage emergencies.


Call King's Services For Septic Tank Help and More!


Now that you know how to tell if a septic tank is full, put King's Services on speed dial for everything from cleaning a septic tank to installing a new system. Call 431-244-4966 today for competitive prices and qualified professionals in Manitoba and beyond.

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