Water Filtration Systems
Water Filtration Systems in San Antonio & the Hill Country Call Now - 210-635-7418
At Gaines Soft Water, we specialize in advanced water filtration solutions that protect your health, appliances, and peace of mind. Since 1989, we’ve helped homeowners and businesses across San Antonio, TX, and the Hill Country experience the difference that clean, filtered water can make. Whether you’re dealing with city water that smells like chlorine or well water full of iron and sediment, our custom systems are designed to target the exact contaminants in your supply.
We provide professional installation, maintenance, and 24/7 repair services for residential, commercial, and industrial clients. Our WQA-licensed experts and Class 3 Texas-certified technicians will help you choose the right filtration system to match your water source, usage needs, and long-term goals.
Our Water Filtration Services
We offer complete, customized filtration solutions to address a wide range of water quality issues:
Whole-House Filtration Systems
Protect every tap in your home from chlorine, sediment, and volatile organic compounds (VOCs). These systems improve water quality for bathing, laundry, cleaning, and cooking.
Well Water Filtration
Well water often contains high levels of iron, manganese, sulfur, and bacteria. We provide multi-stage filtration systems with UV options for clean, safe, and odor-free water.
City Water Filtration
Even treated municipal water can contain harmful chemicals and chlorine byproducts. Our systems remove unpleasant taste and smell while protecting your plumbing and fixtures.
Iron & Sulfur Filters
Tired of orange stains and rotten egg odors? We install specialized filters that eliminate these common minerals from your water supply.
Our team will test your water and recommend the best solution for your property and budget, ensuring long-lasting results.

Carbon Filtration Systems
Granular activated carbon (GAC) and catalytic carbon filters remove chlorine, chloramines, pesticides, and industrial contaminants for fresher water and better health.
Sediment Filters & Pre-Filtration
Essential for homes with high turbidity or old plumbing. These filters protect your main system and appliances from clogging and wear.
Why Choose Gaines Soft Water?
- Local Experience You Can Trust
With over 30 years of experience serving the San Antonio region and beyond, we understand local water conditions inside and out.
- Certified Professionals
Our technicians are certified by the Texas Water Commission (Class 3) and licensed by the Water Quality Association, ensuring quality installations that meet state and industry standards.
- Service for All Brands
We install and repair systems from all leading manufacturers, including: Rainsoft, Culligan, Rayne, DMS, Alamo, Lindsay, Sears, Aqua Master, General Electric (G.E.), Bruner, Hague, Star, Water Boss, and Montgomery Wards.
- Customized, Scalable Systems
We build filtration setups that match your needs — whether you’re a homeowner with mild chlorine concerns or a business with industrial demands.
- 24/7 Support
Need emergency service? We’re available around the clock to resolve water issues quickly and effectively.
Clean, Safe Water Is Just a Call Away in San Antonio, TX
Your water should be as clean and safe as possible — whether it’s coming from the city or your private well. Gaines Soft Water provides tailored water filtration solutions throughout San Antonio, Boerne, Bulverde, New Braunfels, and the Hill Country. Call us at 210-635-7418 or contact us online to schedule a free water analysis and discover the best system for your needs.