The main purpose of a sand filter is to collect stormwater, rid it of pollutants, and then discharge the water into the storm sewer system. First, water is routed from an impervious surface to the ...

Haiti has the lowest rates of access to improved water and sanitation infrastructure in the western hemisphere. Based on a program developed by the Centre for Affordable Water and Sanitation ...

Although rapid sand filters predominate, the two types of filters covered in this chapter may be effective in many applications where source water quality permits. In general, the combined costs of ...

An initiative in Cameroon has developed a filtration system that provides cleaner and healthier drinking water to local ...

This granular bed forms the filter media. Sand filters are clarifying equipment used, although a cake may form on the surface. They are used almost exclusively for water conditioning. Vacuum ...

An up to $22,000 quote from Henning Construction, Adrian, was accepted by the Okabena-Ocheda Watershed District's board of managers earlier this week to remove three inches from the sand filter base ...

If you’re thinking of adding a swimming pool to your backyard, you’ll quickly discover there are three main types of pool ...