What's in Bethesda, MD tap water?
Montgomery County (including Bethesda) is served by WSSC Water from the Potomac and Patuxent rivers. Its trihalomethane and haloacetic-acid averages sit hundreds of times above EWG's health-based guidelines.
Zip codes covered: 20814, 20815, 20816, 20817, 20852, 20854 and surrounding Bethesdaareas. “× over” compares the detected level to EWG's health guideline, not the federal legal limit.
How to remove these contaminants in Bethesda
A reverse osmosis system is the most effective way to reduce every contaminant class above at the point of use. The Sanavia Hydra installs under your Bethesda kitchen sink and is NSF-certified to remove up to 99% of dissolved contaminants: chlorination byproducts, lead, PFAS, arsenic and more.
Bethesda water quality FAQ
Is Bethesda, MD tap water safe to drink?
WSSC Water water meets all federal EPA legal limits. However, independent EWG testing finds 4 contaminants above its stricter health-based guidelines, including Haloacetic acids (HAA5) and Total trihalomethanes (TTHMs). Legal compliance and health-optimal water are not the same thing.
What contaminants are in Bethesda water?
The most notable contaminants above EWG health guidelines are Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Chromium-6 (hexavalent), Arsenic. These are largely disinfection byproducts and trace metals common to the region's water sources.
Does a reverse osmosis system remove these contaminants?
Yes. A reverse osmosis system like the Sanavia Hydra uses a 0.0001-micron membrane plus multi-stage carbon filtration, NSF-certified to reduce every contaminant class detected in Bethesda water, at your tap, regardless of what the utility does upstream.