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Download ASDSW's 2015 Annual Report:

ASDSW 2015 Annual Report

Technology Solutions

WASH technology is usually very simple. ASDSW responds technically to the needs of the community and the situation that exists. Technologies must be manageable by the community as far as operation and maintenance. As much as possible we strive to manufacture or build using local resources, not only so maintenance is simple but also to stimulate local economies as well as promoting self reliance…

Water Supply

    Community Distribution Systems

  • Spring Development
  • Deep Well electric pump
    Water Source

  • Dug Well Improvement
  • Shallow and Deep Well Hand Pumps
  • Rain Water Harvesting

Water Treatment

  • Bio-Sand Filter
  • Chlorination
  • Sedimentation/Chlorination plant
  • Sanitation

    • Ventilated Improved Privy
    • Water Seal Latrine
    • Septic Tanks and Leach Fields
    • De-sludging (Mechanical and Biological)


    • Soak Pits

    Water Quality Monitoring

    • Portable Microbiology Laboratory (Biological contamination)
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