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[![Whole House Water Treatment logo](/assets/logo-Cd_iTZFZ.png)Whole House Water Treatment WHWT ](/)

[Find Your System](/find-your-system)[Best Filters](/best-whole-house-water-filters)[Best Softeners](/best-water-softeners)[Well Water](/best-well-water-filtration-systems)[Water Quality](/water-quality)[Guides](/buying-guides)[Learn](/learn)[About](/about)

Independent · U.S. · Updated 2026

# The whole-house water treatment site that uses real water-quality data .

[Find your system in 30 seconds →](/find-your-system)[See best whole-house filters](/best-whole-house-water-filters)[Find your city's water quality](/water-quality)

[

Filtration 

## Best whole house water filters

Carbon-based systems that tackle chlorine, chloramine, taste and odor for the entire home.

Read the guide → ](/best-whole-house-water-filters)[

Softening 

## Best water softeners

Salt-based and salt-free options for hard water - what actually solves scale, and what doesn't.

Read the guide → ](/best-water-softeners)[

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 → ](/water-quality)[

Method 

## How we test & rate

Manufacturer specs, third-party certifications, real-world maintenance costs - never paid placement.

Read the guide → ](/about)

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.

[All states →](/water-quality)

-   [Arizona AZ ](/water-quality/az)
-   [California CA ](/water-quality/ca)
-   [Florida FL ](/water-quality/fl)
-   [Illinois IL ](/water-quality/il)
-   [Indiana IN ](/water-quality/in)
-   [Minnesota MN ](/water-quality/mn)
-   [Missouri MO ](/water-quality/mo)
-   [Nebraska NE ](/water-quality/ne)
-   [Nevada NV ](/water-quality/nv)
-   [New York NY ](/water-quality/ny)
-   [Pennsylvania PA ](/water-quality/pa)
-   [Texas TX ](/water-quality/tx)

Whole House Water Treatment

Independent, U.S.-focused reviews and water-quality guides for whole-house filters, softeners and reverse osmosis systems. Informational only - not medical or safety advice.

Reviews

-   [Find Your System (tool)](/find-your-system)
-   [Best whole house filters](/best-whole-house-water-filters)
-   [Best water softeners](/best-water-softeners)
-   [Best well water systems](/best-well-water-filtration-systems)
-   [Water quality by state](/water-quality)
-   [Buying guides](/buying-guides)

Site

-   [About](/about)
-   [Affiliate disclosure](/affiliate-disclosure)
-   [Privacy policy](/privacy-policy)
-   [Terms](/terms)

© 2026 Whole House Water Treatment. As an independent marketing partner of SpringWell, Aquasana, SoftPro and Pelican, we may earn commissions from qualifying purchases. Prices, specifications and certifications are subject to change - always verify on the manufacturer's site before purchasing.