The BioSand Water Filter™
Household Scale Patented Water Treatment Technology
Suitable for Commercial Development in Developing Countries

Commercial Introduction of the BioSand Filter™

BACKGROUND

HOUSEHOLD SYSTEMS

COMMUNITY SYSTEMS - LINK TO MSF

BUSINESS OPPORTUNITIES

More than 300,000 Household BioSand Water Filters in more than 100 countries

Alone, BioSand Water Filters are capable of removing:

• Helminthes (eggs and worms) 100%
• Parasites (Giardia, Amoeba, Schistosomiasis, and Cryptospordia) 100%
• Bacteria 90 – 99% (may be sub-infectious)
• Viruses 90 – 99% (may be sub-infectious).
• Spores 100%
• Sand, silt and other suspended solids including algae (turbidity less than 1 NTU)
• Oxidized iron – almost 100%.
• Arsenic (up to 100% depending on organic complexing)
• Organic and inorganic toxins (reduced)

With the addition of pre- and/or post- treatment, BioSand Water Filters are capable of removing:

• Helminthes (eggs and worms) 100%
• Parasites (Giardia, Amoeba, Schistosomiasis, and Cryptospordia) 100%
• Bacteria 100% (with disinfection)
• Viruses 100% (with disinfection)
• Spores 100%
• Sand, silt and other suspended solids including algae (turbidity less than 0.3 NTU if used with roughing filter and coagulants)
• Oxidized iron, manganese and hydrogen sulfide 100% (may use oxidants such as chlorine or potassium permanganate)
• Fluoride (Nalgonda technique)
• Organic and inorganic toxins including arsenic (GAC or injection of coagulants)
• Colour, taste and odour (with GAC) 100%

BioSand Water Filter based treatment systems can treat:

• Water from ponds, lakes, cisterns, reservoirs, rivers, streams
• Water from shallow and deep wells
• Rainwater
• Spring water
• Unsafe water from piped systems
• Unsafe delivered water
• Grey water

BioSand Water Filter based treatment systems:

• Are manually or automatically operated
• May be operated on-demand or continuously
• Are very simple to install, operate and maintain
• Are sized to treat water for homes, apartments, hotels, restaurants, offices, schools or communities
• Can be used to treat water for remote camps
• Can be used to treat water for all water needs
• Are operated on a seasonal basis
• May be used for emergency relief
• Can easily be used with other water treatment technologies
• May be readily transported
• May be expanded as needs grow

Cannot produce unsafe water!

Filter Capacities

BioSand Water Filters have been constructed with capacities ranging from 10 litres per hour to 30,000 litres per hour. Several BioSand Water Filters may be combined to achieve desired treatment system capacities.

Specific Accreditation and Regulatory Approval

• Health Canada
• Indian and Northern Affairs Canada
• Parks Canada
• Agriculture and Agri-foods Canada
• Province of Alberta, Canada
• Province of British Columbia, Canada
• Province of Saskatchewan, Canada
• United States Army Corps of Engineers
• States of Ohio, California, Colorado and others
• Mexico
• Endorsed by World Bank and World Health Organization