On November 26, 2001, the new arsenic standard was signed into law—lowering the acceptable level for the contaminant from 50 parts per billion (ppb) to 10 ppb. Approximately 4,100 municipal water systems serving nearly 13 million people nationwide are affected by the law and are required to meet compliance by January 2006. According to the U.S. Environmental Protection Agency (EPA), 97 percent of these systems are small systems serving fewer than 10,000 people each. The economic impact on these small systems is likely to be large. However, there currently are options available to small municipalities that may be more affordable than central treatment.
New POU Technologies May Be the Answer for Small Municipalities Facing High Costs
Tertiary Filtration Piloting conducted at two different WWTPs demonstrate improved performance of large anthracite media compared to dual and single sand media filtration.
Shower filter dechlorination requires its own unique design approach to meet various health requirements.In less than 10 years, shower filters have grown from a non-industry to a significant niche market. Consumers, at first only concerned with the quality of their drinking water, are now more aware of the importance of removing chlorine, one of nature's most toxic elements, from their shower water, too.
The many considerations in shower filter design