Tribromoacetic Acid
Tribromoacetic acid is a fully brominated haloacetic acid reported within the HAA9 monitoring group. It is not individually regulated by the EPA.
EPA MCLG Level
N/A mg/L
Maximum level that poses minimal health risk based on the latest science
Health Effects
One of the brominated haloacetic acids; associated with an increased cancer risk in long-term studies and reported as part of the HAA5 and HAA9 groups. The risk is chronic and lifetime rather than acute.
Common Sources
- Byproduct of disinfecting drinking water with chlorine
- Formed when chlorine reacts with natural organic matter such as decaying leaves, runoff, and algae
- Elevated when the source water contains naturally occurring bromide
Is your Tribromoacetic Acid result safe? Get a free reading
Upload your tap water report (PDF or a photo) and we'll email you a plain-English explanation of each contaminant and level — free. Educational only, no medical claims.
Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.
Upload my testHow to Remove It
Water filters certified under the following NSF standards are effective at removing Tribromoacetic Acid:
Filter recommendations for this contaminant are being updated.
Get Tribromoacetic Acid Updates
Research updates, regulation changes, and filter recommendations — in your inbox.
Free forever. Unsubscribe anytime. We never share your email.
EPA MCLG Level
The EPA MCLG represents the maximum level that poses minimal health risk based on the latest scientific research. It's often more protective than federal legal limits.
Contaminant Type
Tribromoacetic Acid is classified as a Disinfection Byproducts contaminant.
Related Disinfection Byproducts Contaminants
Check Your Water
Find out if Tribromoacetic Acid is in your tap water.
Search cities for Tribromoacetic Acid dataTest Your Water for This Contaminant
Public water reports may not test frequently enough or at your specific tap. Professional home testing provides current, location-specific results.
SimpleLab
Standard Home Water Test
$232
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
SimpleLab
Advanced Home Water Test
$369
Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.
Tap Score
Advanced Microplastics Test
$636
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Stay Informed About Your Water Quality
Get EPA reports, filter recommendations, and safety alerts for your area.
Join 10,000+ people protecting their families. Unsubscribe anytime.