Independent · U.S. · Updated 2026
The whole-house water treatment site that uses real water-quality data.
Filtration
Best whole house water filters
Carbon-based systems that tackle chlorine, chloramine, taste and odor for the entire home.
Read the guide →Softening
Best water softeners
Salt-based and salt-free options for hard water - what actually solves scale, and what doesn't.
Read the guide →Local
Water quality by state & city
USGS, EPA and EWG figures for major U.S. cities - what's in your water and which systems address it.
Read the guide →Method
How we test & rate
Manufacturer specs, third-party certifications, real-world maintenance costs - never paid placement.
Read the guide →Water quality
What's actually in your water?
Every utility we cover meets federal EPA legal limits. We surface the figures that fall above EWG's stricter health guidelines so you can decide whether you want extra filtration.