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Common Aerobic System Problems

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Common aerobic septic system problems

If you have an aerobic system, chances are your septic system alarm has activated at some point. This alarm doesn’t necessarily mean there’s an emergency, just that there’s something that needs your attention. Not sure what to check? Here’s a video on what to do when your alarm activates.

Common aerobic system problems

Although your alarm can indicate any number of problems with your system, there are a few common aerobic system problems we see all the time.

  • No power – This is one of the easiest problems to solve. Be sure no one has turned off the power switch to your system or that the breaker is not tripped.
  • Inoperable submersible pump – Although a new pump may be needed, sometimes the pump is temporarily inoperable due to a bad float, bad wiring, etc.
  • Inadequate air pressure – This is often the result of needing a new aerator or a re-build kit. The aerator pump has to be operable for the system to have the required oxygen to treat the wastewater.
  • Inoperable timer or photocell – The timer and photocell work together to hold the water in the pump tank until it allows it to be released.
  • Inoperable spray heads – Spray heads can stop rotating, stop popping down after spraying, can be broken off, etc.

What do I do when my aerobic system alarm activates?

If your alarm comes on, perform the actions shown in the video linked above and then call your maintenance provider. While it is usually not an emergency, do not wait several days or weeks to call. There are many more items to the system that make it operate, so there are other items that may need attention.

Aerobic systems require routine maintenance

TCEQ requires that all aerobic systems be checked every four months. Most counties in San Antonio and the surrounding areas require a maintenance contract. It is always best to have a TCEQ Licensed Maintenance Provider or Maintenance Technician evaluate your system.

Van Delden Wastewater Systems is dedicated to providing the highest-quality systems, so we install and service only Clearstream aerobic systems. If your Clearstream system is in need of maintenance, give us a call at (210) 698.2000 (San Antonio) or (830) 249.4000 (Boerne) or contact us online now.


6 thoughts on “Common Aerobic System Problems

  1. My system is using a lot of bleach (liq) now. I find myself using a gallon a day for the system to work. What could be the problem that it needs more bleach than it did in the beginning?

    • Some of the chlorinators are very finicky – if the valve is adjusted, its almost like they take hardly any chlorine or too much. You can have your service provider adjust your valve and see if that helps. If you adjust it then it may seem like its not taking any (compared to now). If you can mark the chlorine level then check it after a few weeks, you should see that it is taking chlorine. But, sometimes if you check it too soon, its hard to tell. The other thing is sometimes the chlorinator may leak or crack. This could also be a possibility. Digging up the chlorinator may be required to check that. Best wishes!

  2. I have a problem with the water not going from the clearstram tank to the pump tank. Never had a bleach problem. I use tablets. My system is very old.

    • If you have a tablet chlorinator and the water is not moving from the aerobic tank to the pump tank, then your tablet chlorinator might be clogged. Sometimes the tabs get mushy and create a blockage. You can usually clear a blockage like this with a garden hose and/or the end of a broomstick. That’s something you can try yourself. If that doesn’t resolve the issue, you might need to have a maintenance provider come out.

  3. We bought our house almost 2 yrs ago. It’s our 1st time to have an aerobic system. The heads do not spray or turn anymore. More like just a running water hose. One hardly works at all. Any suggestions are appreciated! Please email me @ tbparker31@gmail.com. Thank you!

    • Hi! I just emailed you as requested. It sounds like either your spray head(s) are broken or your spray line is broken. You will need to figure out what is going on and repair that part. There are many other items that need to be checked/serviced regularly. Most states have maintenance requirements – where are you located? In Texas, aerobic systems are required to be serviced every 4 months – some counties require a Licensed maintenance provider while some allow owners to do it themselves. If the rest of your system has not be checked, I recommend that you do that soon. Best wishes!

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