The by-products of chlorination are associated with increased risk of bladder and rectal cancer, possibly accounting for 5000 cases of bladder cancer and 8000 cases of rectal cancer per year in the United States.
Can chlorine in drinking water be harmful?
Using or drinking water with small amounts of chlorine does not cause harmful health effects and provides protection against waterborne disease outbreaks.
Is chlorine in drinking water carcinogenic?
In humans and animals exposed to chlorine in drinking-water, specific adverse treatment- related effects have not been observed. IARC has concluded that hypochlorites are not classifiable as to their carcinogenicity to humans (Group 3) (17).
Can you get cancer from drinking water?
Even community water systems that meet national drinking water standards may carry some health risks due to contaminants. A study from the Environmental Working Group looked at lifetime risk of cancer from drinking water. They estimate 100,000 cancer cases may be related to tap water.
Which element in water can cause cancer?
Inorganic compounds (arsenic combined with elements other than carbon): These compounds are found in industry, in building products (such as some “pressure-treated” woods), and in arsenic-contaminated water. This tends to be the more toxic form of arsenic and has been linked to cancer.
What are the long-term effects of drinking chlorinated water?
Summary. There is no evidence for the myth that chlorine in drinking water or swimming pools can cause cancer. However, chlorine and chlorine gas can aggravate respiratory conditions and high concentrations of chlorine can lead to many health complications.
What happens if you drink chlorine?
If you ingest chlorine, you may experience the following symptoms: Mouth and throat burns. Throat swelling and pain. Stomach pain.
Does bottled water have chlorine?
Chloride is a compound of chlorine, the chemical used to sanitize drinking water. … Both can be found in some brands of bottled water.
Does tap water have chlorine?
Quick Facts. Chlorine is added into our tap water supplies to help reduce the chance of harmful waterborne bacteria spreading through through the water, such as e. coli and the norovirus. The strength of this chlorine scent will usually depend on the distance of which your public water source is from your building.
How much chlorine should be in drinking water?
For normal domestic use, residual chlorine levels at the point where the consumer collects water should be between 0.2 and 0.5 mg/l. The higher level will be close to the disinfection point and the lower level at the far extremities of the supply network.
What is the safest water to drink?
Purified water is usually tap or groundwater which has been treated to remove harmful substances like bacteria, fungi, and parasites. This means that drinking it is pretty much guaranteed to be safe.
How safe is drinking tap water?
Although it’s true that the water in some cities contains trace amounts of pollutants, most healthy adults can still safely drink from the tap in most areas—and, in fact, tap water remains the most cost-effective, convenient way to stay hydrated.
Why you should not drink tap water?
Tap water can contain microorganisms like bacteria or parasites that make you sick. If potentially dangerous microorganisms are detected in tap water, your local health authority will likely declare a “boil water advisory.” … coli, and Giardia are three harmful organisms that can leak into drinking water through sewage.