Prefer to just talk? Call 346-400-5828
Water Filter Depot Co.
★★★★★ 4.9 from 200+ Houston homeowners Licensed & insured Same-week installation

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How It Works
1
Submit Info
60 seconds, no commitment
2
We Call You
Within 1 business day
3
Custom Quote
Only what you actually need
4
Same-Week Install
2–5 hrs · 10-year warranty
EWG Tap Water Database

What's Really in Houston Tap Water?

Houston's water meets every federal legal standard. But legal limits and health guidelines are not the same thing, and the Environmental Working Group found contaminants above science-based health guidelines in the City of Houston system.

Disinfection Byproduct 599×
Haloacetic Acids (HAA9)
Formed when disinfectant reacts with organic matter in the water. Linked to increased cancer risk.
Detected
36.0 ppb
EWG Guideline
0.06 ppb
Disinfection Byproduct 203×
Total Trihalomethanes
The other major byproduct group. Legal up to 80 ppb, but the health guideline is far stricter.
Detected
30.4 ppb
EWG Guideline
0.15 ppb
Metal / Carcinogen 37×
Hexavalent Chromium (Cr-6)
Known carcinogen. There is no federal limit for Cr-6 at all, only for total chromium.
Detected
0.747 ppb
EWG Guideline
0.02 ppb
Hardness / Scale 13.4 gr
Total Hardness
Past 10.5 grains counts as "very hard." This is the scale, the spotted glasses and the soap that won't lather. Suburban MUDs run higher.
City average
7.9 gr
Peak
13.4 gr

Contaminant levels and health guidelines: EWG Tap Water Database, City of Houston (PWS TX1010013), based on 2021–2023 testing. Hardness: City of Houston 2025 Water Quality Report, Main System, 135.5 ppm average and 229 ppm maximum as calcium carbonate. Legal limits: EPA National Primary Drinking Water Regulations.

Why We Can Quote You Over the Phone

Most companies insist on coming out first. Here's why we don't have to.

1
Your water is already on public record
Every water district in Texas has to publish what's in its water once a year, and we read your district's report before we call you.
2
Our installs are standardized
Same Clack WS1 valve, same 1" or 1.25" connections on the main line, same licensed plumber.
3
We only come out when we actually have to
If your main line is somewhere unusual, we'll say so on the call and set up a look before anything is final. Otherwise the number we give you is the number you pay.

Real Installs Across Houston

Water Filter Depot softener installation in a Houston-area garage
Completed softener, pre-filter, and brine tank installation
Finished softener and brine tank installation in a Houston-area garage
Walkthrough at a completed softener and pre-filter installation in a Houston-area garage

5 Stars on Google

Rated by homeowners across Katy, Cypress, Sugar Land, The Woodlands, and the greater Houston area

Charlie Pafford
July 2026
★★★★★
Jacob is a great representative to work with very informative I highly recommend him. After talking to him it was installed in a couple of days. The equipment is top of the line. Installers knows what they are doing and didn't take long to get it installed.
Kelvin Smith
June 2026
★★★★★
Jacob did a great job
Water Filter Depot Co. · Owner
Thanks so much for the kind words, Kelvin. We're glad Jacob did a great job and we'll be sure to pass your praise along to him. We appreciate you taking the time to leave a review and look forward to serving you again.
See All Our Google Reviews