What’s really in your tap? Find out in seconds.
Common in U.S. tap water
- Free shipping
- 60-day returns
- 3-year warranty
- Lab-tested in a real home
- 800 gallons a day
- No tank under your sink
The Hydra
$999$1,250Save $251
or 4 interest-free payments of $249.75 with Shop Pay
Reverse osmosis under your sink. It cut chlorine byproducts 95% in an independent lab test.
Free shipping · 60-day returns · 3-year warranty
At Arlington's Bunny Hop, 2026
Five friends from Arlington
A JAMA study linked golf-course pesticides to the water we grew up drinking. So we built Sanavia.
Featured in Arlington Magazine
From people who use it
All reviews on Google
“Our tap water used to smell like chlorine and leave white spots everywhere, but this system completely transformed it. Now it tastes incredibly crisp.”
“Best decision for our home. The water tastes wonderful, clean and crisp. We have stopped buying bottled water!”
“I have all my friends try it when they come over, and their reaction is priceless.”
“Finally, a water system that lives up to its promises. Clean water on demand, and the compact design fits perfectly under our sink.”
“I’m so happy with the results. The water tastes amazing, and the difference is noticeable right away. The installers did an excellent job with the setup and explained everything clearly. The company also did a great job explaining the process to me and helping me understand how reverse osmosis water works. Overall, great service and a great experience. I highly recommend Sanavia Water company.”
Tap vs. Hydra
Same Arlington kitchen. Same day. Tested by Microbac Laboratories.
Total THMs (ppb)
58
2.7995% less
Chloroform (ppb)
44.5
2.7994% less
Bromodichloromethane (ppb)
11.5
<0.5>95% less
Total dissolved solids (ppm)
184
51.872% less
Everyone reads food labels. Nobody reads their tap.
These show up in U.S. tap water, often below the legal limit and above the health guidelines.
PFAS “Forever Chemicals”
Research has linked PFAS exposure to increased cancer risk, thyroid disruption, elevated cholesterol, reduced immune response, and developmental effects in infants and children.
Read the full guideLead
Even low-level lead exposure has been linked to reduced IQ, learning and behavioral effects, and developmental harm in children, with impacts that can last a lifetime.
Read the full guideChloramines & Disinfection Byproducts
Long-term exposure to disinfection byproducts has been associated with increased cancer risk and reproductive and developmental concerns.
Read the full guideHexavalent Chromium (Chromium-6)
Chromium-6 is a recognized carcinogen when inhaled, and a growing body of research links ingesting it in drinking water to increased cancer risk, along with possible liver and kidney effects.
Read the full guideArsenic
Arsenic is a known human carcinogen.
Read the full guideNitrates & Nitrites
High nitrate is especially dangerous for infants: it can interfere with the blood's ability to carry oxygen, a condition known as “blue baby syndrome.” Longer-term, elevated nitrate exposure has been studied for possible links to certain cancers, which is why health-based guidelines sit well below the federal legal limit.
Read the full guideCities we serve
What’s in the tap water, city by city, across DC, Maryland and Virginia.
- Gaithersburg, MD
- Howard County, MD
- Baltimore, MD
- Germantown, MD
- Frederick County, MD
- Rockville, MD
- Alexandria, VA
- Arlington, VA
- Washington, DC
- Loudoun County, VA
- Bethesda, MD
- Fairfax County, VA
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