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Jul 14, 2022

Chlorine Dose Calculator: Shock Chlorination of Wells

Use this calculator to determine the amount of chlorine product needed to prepare a 1% chlorine solution and the amount of the 1% solution required to to disinfect hand-dug wells and boreholes.

This excel calculator can be downloaded and saved on your device for easy use when offline.

Before using the calculator please read the instructions.

This project is made possible by the generous support of the American people through the United States Agency for International Development (USAID). The contents are the responsibility of CAWST (Centre for Affordable Water and Sanitation Technology) and do not necessarily reflect the views of USAID or the United States Government.

  • Format:

    Microsoft Excel Spreadsheet

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About CAWST

CAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.

Supported by

Development of this website and creation of collections of emergency themed tools on Water Treatment, Water Quality Testing, Behavior Change and Sanitation funded by Bureau of Humanitarian Assistance - USAID.

This project is made possible by the generous support of the American people through the United States Agency for International Development (USAID). The contents are the responsibility of CAWST (Centre for Affordable Water and Sanitation Technology) and do not necessarily reflect the views of USAID or the United States Government.

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