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Styrene in tap water

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States Affected
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People Affected
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Toxicity Rating
Health Effects

Styrene has been linked to an increased risk of cancer, liver and kidney damage, as well as brain and nervous system issues.

The legal limit is
Health Guideline
0.05 ppb
what is considered unhealthy
Legal Limit
100 ppb
What is styrene?
Styrene is a cancer-causing chemical used to manufacture plastics, resins, coatings, and paints. It can be found in disposable cups, food containers, and automobile parts. Plus, it can be inhaled through cigarette smoke and car exhaust as well as ingested through drinking water.
Why is styrene in tap water and how does it get into tap water?
Styrene can find its way into tap water supplies when it’s released from industrial product sites producing rubbers, plastics, and other products that use the chemical. It can also leach into water from landfills.
Why is styrene in my tap water harmful? How dangerous is Styrene?
Styrene has been linked to an increased risk of cancer, liver and kidney damage, as well as brain and nervous system issues. Reported symptoms from elevated exposure include depression, weakness, fatigue, and nausea.
How much styrene is safe?
The U.S. EPA set a Maximum Contaminant Level (MCL) of .1 mg/L.
Is styrene in bottled water?
Yes, Styrene can be found in bottled water. While the EPA regulates tap water, the FDA regulates bottled water because it is classified as food. The FDA allows .1 mg/L of Styrene in bottled water, matching the regulations set for tap water by the EPA.
How do you get styrene out of tap water?
Clearly Filtered’s breakthrough Affinity¼ Filtration Technology removes up to 99.9% of Styrene from tap water. Upgrade to our superior water filters so you never have to worry about Styrene lurking in your water again.
How does Clearly Filtered do at Removing Styrene in tap water?
Clearly Filtered with
Affinity Filtration Technology Product
Water Pitcher Filter
Under-the-Sink FIlter
Water Bottle Filter
Refrigerator Filter
Styrene in tap water Removal

1. EWG Tap Water Database: Styrene.https://www.ewg.org/tapwater/contaminant.php?contamcode=2996#Accessed April 1, 2021.

2. U.S. EPA. National Primary Drinking Water Regulations.https://www.epa.gov/ground-water-and-drinking-water/national-primary-drinking-water-regulations#ByproductsAccessed April 1, 2021.

3. National Library of Medicine: Styrene.https://pubchem.ncbi.nlm.nih.gov/compound/StyreneAccessed April 1, 2021.

4. National Institute of Environmental Health Sciences. Styrene. https://www.niehs.nih.gov/health/topics/agents/styrene/index.cfmAccessed April 1, 2021.

5. NRDC. Wildfires Can Spark Widespread Contamination of Public Water Supplies. https://www.nrdc.org/stories/wildfires-can-spark-widespread-contamination-public-water-suppliesAccessed April 1, 2021.