At some sites including the one shown in our page top photo there may be so little topsoil over bedrock that there is not depth for a conventional septic tank to be buried.
Best septic system for rocky ground.
Ago i purchased 7 5 acres of land now i want to put a house on it but the land has clay soil and will not perc.
If possible i would like to get an estimate of what it would cost.
Alternative septic system designs are used for new or replacement septic systems on difficult sites where soil conditions such as a rocky site limited soil percolation rate or high ground water level or other terrain conditions such as limited space for a septic system or steeply sloped sites do not permit the installation of a.
Mound septic system this system uses elevated ground in some cases when there is not adequate soil for a conventional system.
While not directly related to soil quality a steep slope won t give even the best soil a chance to percolate and treat wastewater before it reaches the groundwater system.
Alternative septic system for clay soil.
These factors include household size soil type site slope lot size proximity to sensitive water bodies weather conditions or even local regulations.
Rocky site septic systems.
If there is insufficient depth of soil proper treatment of septic effluent may be impossible using a conventional septic tank and drainfield.
The drainage is directed to an area with a higher elevation so that the water must filter through more soil or sand before reaching the groundwater.