What's in Rockville, MD tap water?
Rockville's tap water comes from WSSC Water. While fully EPA-compliant, its disinfection-byproduct and hexavalent-chromium levels sit well above EWG's stricter health guidelines.
Zip codes covered: 20850, 20851, 20852, 20853 and surrounding Rockvilleareas. “× over” compares the detected level to EWG's health guideline, not the federal legal limit.
How to remove these contaminants in Rockville
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 Rockville kitchen sink and is NSF-certified to remove up to 99% of dissolved contaminants: chlorination byproducts, lead, PFAS, arsenic and more.
Rockville water quality FAQ
Is Rockville, 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 Rockville 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 Rockville water, at your tap, regardless of what the utility does upstream.