A H-TWO-O wastewater treatment plant has no moving parts in the tank that will need service. If you must make repairs to any internal parts, please be careful. The wastewater in the tank and the surfaces therein, contain hazardous pathogens, bacteria, etc. Your best option is to call a qualified service company. As a homeowner, the best way to check your treatment plant is with a pressure gauge. If it is found to be out of specification, call a service provider or Desoto Concrete Products for guidance.
In general, a treatment plant should need to be pumped out every 3 to 5 years. A treatment plant that is sized too small or is not working properly will need to be pumped out more often. Using a garbage disposal, causes what is call “high strength wastewater”. Most homer wastewater systems are not designed for this. Therefore, do not use a garbage disposal or be prepared for higher than average maintenance costs.
As a homeowner, you will need to call a licensed and trained pumper. Do not call just any pumper. If they are not trained on our treatment plant, improper pumping and damage to internal parts could occur. Check behind the pumper to make sure that the tank was completely pumped out. An entrance into each compartment should be seen (refer to the drawings section). When you look into the tank you should be able to see the concrete bottom.
After the tank has been pumped, you will need to fill it with clean water to at least halfway. This will keep the tank from floating out of the ground. Make sure that all riser tops are resealed and secured properly. If groundwater enters your system, it will adversely affect the performance of your system.
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