Antimony in Drinking Water: Health Risks, Sources, and How to Remove It
Antimony is an inorganic contaminant that can occasionally be found in drinking water supplies. It is regulated by the Environmental Protection Agency (EPA), which has established a Maximum Contaminant Level (MCL) of 6 μg/L to protect public health. Monitoring for this substance is essential to ensure that tap water meets safety standards.
Health Effects
Consuming water with elevated levels of antimony can lead to specific health concerns. Exposure to this contaminant has been associated with an increase in blood cholesterol. Additionally, it may cause a decrease in blood sugar levels.
How Antimony Gets Into Tap Water
Antimony enters drinking water sources through both natural processes and industrial activities. It can leach from natural deposits in the earth or be discharged from petroleum refineries. Furthermore, its use in fire retardants and ceramics manufacturing can also lead to water contamination.
How to Remove Antimony From Your Water
Several treatment methods are available to effectively remove antimony from drinking water. Water systems can utilize coagulation/filtration to reduce contaminant concentrations. For residential or point-of-use application, reverse osmosis systems are also effective at treating this inorganic substance.
Should You Test Your Water?
To determine if antimony is present in your tap water, you can review your local water utility's annual Consumer Confidence Report or use the WaterQ search tool. Private well owners may also consider testing their water through a certified laboratory to verify its safety. You can also look up your local water system on WaterQ or check the Antimony data page for reported levels in your area.
Frequently Asked Questions
Is Antimony dangerous in drinking water?
Yes, antimony can pose health risks if consumed in water levels that exceed the EPA standard. Long-term exposure has been linked to increased blood cholesterol and decreased blood sugar. Ensuring levels remain below the 6 μg/L limit is important for maintaining health.
How does Antimony get into tap water?
Antimony can enter tap water from the erosion of natural mineral deposits, discharge from petroleum refineries, or runoff from fire retardants and ceramics.
How can I remove Antimony from my water?
Antimony can be removed from your water supply using treatment technologies such as coagulation/filtration or reverse osmosis systems.
Source: EPA National Primary Drinking Water Regulations and WaterQ National Database. For more contaminants, visit our contaminant library.