A Sanitation (or Shit) Flow Diagram presents a clear picture of how excreta flows are managed within the city. The diagram clearly depicts how excreta flows from user interface to the final disposal. It has the following stages:
Ø Siddipet city has no underground drainage system. All the 37765 households (HHs) are dependent on onsite sanitation system.
Ø According to Key Informant Interview (KII) with local mason, the higher income HHs and high rise apartments prefers to construct a well-designed septic tank, rectangular in shape having maximum size measuring 12ft in length, 7ft in width and 9ft in depth with two baffle walls in the system. The cost of this type of septic tanks is approximately 45000 INR including construction and material cost.