Water Education - Water and Health

Standards for Safe Drinking Water - Page 2

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Other factors can further contaminate water between its original purification and consumption. Fertilizer runoff and leaching from septic tanks can cause increased levels of nitrite (goal/actual level of 1 mg/L) and nitrate (goal/actual level of 10 mg/L), both of which are lethal to infants younger than six months. Water storage tank liners leak small amounts of benzoapyrene (goal level is 0; actual level is 0.0002 mg/L), which can cause reproductive complications and increased cancer risk.

The Effects of Disinfectants

Disinfectants to remove contaminants can also be harmful to humans in and of themselves. Use of disinfectants has led to the development of two additional water safety standards: maximum residual disinfectant level (MRDL) and maximum residual disinfectant level goal (MRDLG).

Just as with contaminant level standards, it is not always realistic to reach the residual disinfectant goal. In response, the MRDL offers a balance between human safety and available purification resources.

Disinfectants and their byproducts found in water include bromate, known to increase the risk of developing cancer (goal level is 0; actual level is 1%) and chlorite, which can cause nervous system damage in children as well as anemia (goal level is 0.8 mg/L; actual level is 1.0 mg/L).

Although there is a set standard for national water safety, individual standards may vary by state, county, and facility.

According to recent news and reports, most tap and well water in the U.S. are not safe for drinking due to heavy industrial and environmental pollution. Toxic bacteria, chemicals and heavy metals routinely penetrate and pollute our natural water sources making people sick while exposing them to long term health consequences such as liver damage, cancer and other serious conditions. We have reached the point where all sources of our drinking water, including municipal water systems, wells, lakes, rivers, and even glaciers, contain some level of contamination. Even some brands of bottled water have been found to contain high levels of contaminants in addition to plastics chemical leaching from the bottle.

A good water filtration system installed in your home is the only way to proactively monitor and ensure the quality and safety of your drinking water. Reverse osmosis water purification systems can remove 90-99% of all contaminants from city and well water to deliver healthy drinking water for you and your family.

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