Sawyer Mini. My current favourite portable water filter - small, superb capacity, versatile. More info 
Big Berkey water filter with 4 British Berkefeld Super Sterasyl ceramic candles My recommended residential gravity filter elements/candles. More info 
Figures (L-R): Traditional sand filter; New membrane filters; looking down at a water treatment plant (Bukit Timah area). A typical water treatment plant is not designed to remove the myriad of synthetic contaminants in raw water.
6 years ago
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I think the biggest source of water pollution is Industries. Industrial sector is consuming vast amount of water. Major problem with industrial water usage is a huge percentage out of this water consumed leads to production of wastewater which may or may not degrade quality of nearby resource. Industrial water treatment Consultant should be consult in this regard.
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