Each figure is the average concentration reported for your utility. Where a federal limit exists, we show how close your water is to it; several common contaminants have no federal limit at all. A whole-home or reverse-osmosis system reduces most of these.
Total trihalomethanes (TTHMs)
29%of the legal limit
Detected in your water23.3 ppb
Federal legal limit80 ppb
Disinfection byproduct · linked to cancer
✓ Reduced by carbon filtration
Haloacetic acids (HAA5)
60%of the legal limit
Detected in your water36.2 ppb
Federal legal limit60 ppb
Disinfection byproduct · linked to cancer
✓ Reduced by carbon filtration
Chromium-6
No federal limit set
Detected in your water0.0930 ppb
Health guideline0.02 ppb
The “Erin Brockovich” compound · linked to cancer
✓ Reduced by reverse osmosis
PFHxS
49%of the legal limit
Detected in your water4.87 ppt
Federal legal limit10 ppt
A PFAS “forever chemical” · immune & developmental effects
✓ Reduced by RO & activated carbon
Nitrate
34%of the legal limit
Detected in your water3.39 ppm
Federal legal limit10 ppm
From fertilizer & runoff · a concern for infants
✓ Reduced by RO & ion exchange
Uranium
6%of the legal limit
Detected in your water1.17 pCi/L
Federal legal limit20 pCi/L
Naturally occurring radiological · kidney effects
✓ Reduced by reverse osmosis