Safe Water System Description

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Source: CDC

The Safe Water System (SWS) is a water quality intervention that employs simple, robust, and inexpensive technologies appropriate for the developing world. The intervention consists of three steps:
  • Sodium hypochlorite solution;

  • Safe water storage in plastic containers;

  • Behavior change techniques, including communication, and education.

Benefits & Drawbacks

  • Clinically proven
  • Inexpensive
  • Excellent bacterial/viral removal
  • Effective only for low lurbidity
  • Does not inactivate protozoa
  • Chlorine smell and taste may be unacceptable
  • Very stable distribution channel required
Ideal Situation
  • Communities with an established store where users can continuously purchase disinfectant bottles.


Capital Costs: approximately $7.00 to $10.00 US per year


Contact Information

The Centers for Disease Control and Prevention
600 Clifton Rd, Atlanta, GA 30333, U.S.A
Public Inquiries: (404) 639-3534 / (800) 311-3435