San Antonio, TexasInstalling now
Better Water for San Antonio Homes.
San Antonio’s aquifer-supplied water is among the hardest of any large Texas city. Explore water softening, whole-home filtration, and reverse osmosis for your home.

Local water
Understanding Your Water in San Antonio
SAWS supplies most of the city and relies heavily on the Edwards Aquifer. Water moving through the aquifer’s limestone picks up calcium and magnesium along the way.
Reported hardness
15–20 grains per gallon
Very hard
SAWS reports water typically ranges from 15 to 20 grains per gallon and is not softened before delivery. Classes follow USGS guidelines.
- Utility
- San Antonio Water System (SAWS)
- Water sources
- Edwards Aquifer, Trinity Aquifer, Carrizo Aquifer
What households often notice
- Heavy scale on showerheads, glass doors, and inside water heaters
- Spotting on dishes, and soap that is harder to rinse
- Some households prefer filtered water for drinking and cooking
SAWS states that the Texas Commission on Environmental Quality has rated its system “Superior.” Some suburbs are served by other utilities with different water.
What 15–20 GPG means for your home — read our local guideHardness and taste are comfort and maintenance concerns, not safety findings. Your utility’s report is the authority on regulatory compliance.
Source: San Antonio Water System — Water Quality(opens in a new tab)Solutions
Water solutions for San Antonio homes

Water Softener Installation
Reduce scale and spotting from hard water in San Antonio homes, protecting fixtures and water-using appliances.
Learn more
Whole-Home Water Filtration
Treat water at the point of entry to reduce taste, odor, and chlorine or chloramine at every tap.
Learn more
Reverse Osmosis Drinking Water Systems
A dedicated drinking water tap at your kitchen sink for cooking, coffee, and drinking.
Learn more
Why Clearly Water Systems
Water treatment that starts with your home
Recommendations based on your water
We start from your utility data, your concerns, and a test when it’s useful — not a standard package.
Sized for your household
Systems are matched to your home’s size, plumbing, and water use.
Professional installation
Clean, code-conscious installs with the system explained before anyone leaves.
Clear communication
Plain-language answers, written options, and no pressure to decide on the spot.
Long-term reliability
Equipment chosen to be maintainable, with guidance on upkeep after installation.
How it works
From question to installation in three steps
- Step 1
Share your water concerns
Tell us your ZIP code, your water source, and what you’d like to improve.
- Step 2
Get a tailored recommendation
We review your details and local water data, then explain your options in plain language.
- Step 3
Schedule professional installation
Choose the system that fits, and we’ll arrange installation at a time that works for you.
Questions
San Antonio water questions
Is the water hard in San Antonio?
Why is San Antonio water so hard?
Is San Antonio water safe to drink?
Do I need a water softener or a filter?
Does hard water damage appliances?
How much does water treatment cost in San Antonio?
Do you provide service in my part of San Antonio?
Your Home Deserves Better Water.
Enter your ZIP code to confirm coverage in San Antonio and request a quote.