How Often To Empty Rv Septic Tank. The size of your family, tank size, whether or not you have a garbage disposal, and climate are a few factors that will influence the service interval. After you have the septic company remove the black water from your tank, fill it with water again and have the company drain it once more.
Emptying is usually done with a truck with an outside company. You would like the tank almost complete and so the weight and the gravitational forces will force the valuables in the tank to drain properly. There are some words of caution scattered online regarding adding too much waste to your septic at one time.
Also, because holding tank waste is very concentrated and breakdown takes longer, we recommend you dump only one rv holding tank in a home septic system per week.
If your tank is completely full, the entire process of emptying the tank should take about 15 minutes at the most. How to maintain a septic tank? If you have a grey holding tank. The extra dumping will likely mean that you need to pump your septic tank more frequently.