Santa Cruz de la Serria Metropolitan Area (SCMA) is the second largest urban area in Bolivia. It is a major economic centre in Bolivia with approximately 1.9 million inhabitants. 49% of the populations’ excreta discharge directly to sewers. Of this, only 80% (or 39% of the populations’ excreta) is considered to reach a wastewater treatment plant. A total of 30% of all wastewater is considered as treated. 46% of the population are reliant on onsite sanitation systems, with a majority using septic tanks connected to a soak pit (35%). 5% of the population have no access to sanitation systems and practice open defecation.

• Prepared by: WEDC/WSP
• Last update: 05/02/2019