If a house is built on the lowest portion of a lot, what is the best solution for a septic system?

The best solution for installing a septic system in a house situated at the lowest portion of a lot is to install a dosing tank to lift sewage to an approved area.

In a situation where a structure is located at the lowest point of a property, gravity flow, which is the typical mechanism for septic systems, may not work effectively. The sewage generated by the house would naturally flow toward the lowest point, making it difficult for effluent to be distributed evenly across the drain field. By utilizing a dosing tank, which is designed to hold and then pump sewage to a higher elevation, it allows for the waste to be distributed through a gravity-fed system once elevated. This method ensures that all aspects of the septic system function properly and that the effluent is correctly dispersed away from the house.

Other methods, such as cutting down the area where the lateral field goes or digging lateral trenches deep enough for gravity flow, may not adequately address the gravity challenges posed by the low site, potentially leading to system failure or environmental contamination. The dosing tank is a strategic solution that effectively overcomes the elevation challenges, ensuring compliance with septic system regulations and promoting environmental safety.