Rick Johnston

Dr. Rick Johnston is a sanitary engineer with over 15 years of experience in water quality in developing countries.

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Introduction to Household Water Treatment and Safe Storage (Coursera) Coursera
École Polytechnique Fédérale de Lausanne

Introduction to Household Water Treatment and Safe Storage (Coursera)

Immerse yourself in this enlightening online course that unravels the secrets of Household Water Treatment and Safe Storage (HWTS). Gain valuable knowledge on improving drinking water quality at home, understanding the global impact of HWTS, exploring various treatment methods, and learning key components for successful program implementation. This course is perfect for anyone passionate about public health, environmental science, or sustainable living.

May 18th 2026
5-12 Weeks
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