It is defined as a watertight receptacle constructed to promote separation of solid and liquid components of wastewater, in order to provide limited digestion of organic matter, to store solids, and to allow clarified liquid components to discharge for further treatment and disposal into a drain field. Some septic tanks can have dimensions 2040mm X 1000mm X 1020mm representing length, depth and width respectively. 856, otherwise known as the Code on Sanitation of the Philippines, the Department's scope of supervision shall include plans, design data and specifications of a new or existing sewerage system or sewage treatment plant and method of disposal of sludge from septic tanks or other treatment plants.ġ.1 BACKGROUND The septic tank system is a multi-chambered water-tight vault which provides the first and most important pre-treatment in the typical small scale onsite wastewater treatment process. Pursuant to the roles and responsibilities of DOH as provided in Section 72 Chapter XVII of PD No.
The occurrence of diarrheal outbreaks from different regions of the country and other environmental sanitation related diseases manifests the real situation of the environment wherein the communities are exposed to. At present, poorly designed septic tank and the lack of basic sanitation facilities and on-site sewage treatment makes the domestic sewage as the highest contributor to environmental pollution and impact negatively on public health (World Bank Monitor, 2003). In compliance with Sustainable Development Goal # 6 which is "Ensure availability and sustainable management ofwater and sanitation for all," a basic sanitation facility (toilet facility with a standard size of a septic tank) in every household is deemed necessary in preparation for the advance sanitation facilities to achieve the safely managed sanitation services. The misconception that sanitation is just a human excreta disposal and management, limits the Departmentinto the distribution of toilet bowls as the primary strategy in addressing sanitation related diseases and environmental related problems.
In the past decades, sanitation has not been prioritized. The National Government, through the Department of Health, is taking a big leap to make sanitation programs effective and sustainable to protect the environment and public health.
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