Guidelines for Implementation of Deep Row Entrenchment (A Temporary Solution for Managing Faecal Sludge and Septage)
1 . Introduction: Deep Row Entrenchment as a Temporary Solution for Managing Faecal Sludge and Septage Scope: This is a method of land application of FSS where trenches are dug in the ground, filled with sludge and covered with soil. The liquid leaches out and the residual solids, upon decomposition, enriches the soil. However, this technique should only be applied following the correct technical design and also the administrative and safety protocols. Regular quality testing of surrounding water sources and also of the soil at the site is necessary. Failure to do so can cause contamination of land and water sources, which will add to the problem instead of mitigating it. Limitation: Site selection is one of the most crucial factors of DRE. As such, it requires land availability and that which is relatively flat. Additionally, it should not be carried out in sensitive areas – such as those prone to landslides, flash floods or water recharge zones (surface water or groundwater).