The law provides for an exemption from the mandatory pump-out requirement if your septic system has a Virginia Department of Health approved plastic filter installed. If your system already has such a filter, you only need to notify the County of this fact. If you desire to have a filter installed, you can contact a drainfield installer who can assist you with obtaining the required permit from the Virginia Department of Health and install the plastic filter for you or, if you are handy, you can contact the Virginia Department of Health, obtain the required permit and modify your system yourself.
Plastic filters require regular maintenance to keep them from clogging and backing sewage into your home. Routine maintenance typically includes the removal and proper disposal of non-biodegradable solids from the filter and then hosing down the filter over your septic tank to return the filtered solids to the tank for additional treatment. While not mandatory, the Virginia Department of Health still recommends that systems with plastic filters pump have their septic tanks pumped regularly to maintain peak system performance and extend the life of your drainfield.