San Antonio’s Trusted Home Water Treatment Solutions
Local Water System Pros With Award-Winning Service History
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Whole House Water Filtration Systems
Enjoy pure, great-tasting water from every faucet in your home. Our whole house water filtration systems effectively remove chlorine, sediment, and harmful contaminants. These systems ensure that your family has access to clean, odor-free water for drinking, bathing, cooking, and laundry, right from the source.
Water Softener Installation & Repair
Tired of hard water damaging your plumbing and appliances? We provide expert installation and repair of water softeners that eliminate calcium and magnesium, preventing scale buildup. Softer water means cleaner dishes, brighter laundry, and healthier skin and hair—all while extending the life of your home systems.
Reverse Osmosis Drinking Water Systems
Our advanced reverse osmosis systems offer premium drinking water by removing fluoride, arsenic, lead, and other dissolved solids. Designed for kitchen use, these systems provide fresh, clean, and safe water directly from a dedicated tap. Perfect for families concerned about long-term health and water quality.
CALL US: 210-505-0555
WHY CHOOSE US?
Expertise in Well Water Treatment
At The Water Doctor, we specialize in well water systems and work directly with a certified lab to ensure accurate water analysis and treatment recommendations tailored to your specific needs.
Deep Knowledge of Every System
We’ve spent years repairing, installing, and selling water treatment systems—giving us a complete understanding of how they work and what setups truly deliver long-term performance for our customers.
Recognized Local Excellence
We’re proud to have earned “Best of San Antonio & South Texas” on Angi for five consecutive years (2019–2024), reflecting our consistent service and results in the community.
Proven Track Record with Permits
Ranked in the top 11% on BuildZoom statewide, we’ve shown that even as a small business, we maintain high standards when it comes to proper permitting, inspections, and professional compliance.
About Us
The Water Doctor, based in San Antonio, Texas, specializes in custom home water treatment solutions, including well water systems, water softeners, and filtration units. With years of hands-on experience repairing, installing, and selling systems, we know the equipment inside and out—providing expert guidance on the best solutions for your home. Recognized as Angi’s “Best of San Antonio & South Texas” from 2019–2024 and ranked in BuildZoom’s top 11% statewide, we’re committed to delivering clean, safe water.
additional services
Well Water Treatment
Well water often contains iron, sulfur, bacteria, and other natural contaminants. Our tailored well water treatment systems address these specific issues with advanced filtration and disinfection technologies. We ensure your water is crystal-clear, safe for your family, and free from unpleasant smells and metallic tastes.
Well Water Testing & Treatment
Private wells require accurate water testing to detect potential health risks. We offer professional, in-depth analysis to identify bacteria, nitrates, hardness, and more. Based on the results, we design a personalized treatment solution to ensure your well water meets safety standards and tastes fresh.
Hard Water Scale Removal Solutions
Scale from hard water can damage plumbing, reduce appliance efficiency, and cause expensive repairs. Our scale removal systems use proven technology to minimize mineral deposits without chemicals. Ideal for homes in hard water areas, these systems help lower energy costs and extend equipment life.
Water Quality Testing & Consultation
We provide professional water testing services using lab-grade equipment to identify a full range of potential issues. From pH imbalance to harmful contaminants, our experts explain the results clearly and recommend the most effective solutions for your home, ensuring long-term water safety and peace of mind.
Salt-Free Water Conditioning Systems
Our salt-free water conditioners are a low-maintenance, environmentally friendly alternative to traditional softeners. These systems prevent scale buildup without adding sodium to your water supply, preserving essential minerals and protecting your plumbing. Perfect for health-conscious families and homes looking for sustainable solutions.
Filter Replacements & System Maintenance
To keep your water system performing its best, routine maintenance is key. We offer dependable filter replacements and scheduled servicing for all major brands. From sediment cartridges to membrane checks, our team ensures your system continues delivering clean water without interruption or inefficiencies.
CALL US: 210-505-0555
Helping Residents in San Antonio, Texas, Breathe Easy, Bathe Clean, and Drink Pure
At The Water Doctor, we specialize in transforming your home’s water into the cleanest, safest, and most refreshing it can be. Based in San Antonio, Texas, and backed by 25 years of experience, we provide customized water treatment solutions that address local water challenges like hard water, chlorine, and high fluoride levels. Whether your home uses municipal or well water, our experts ensure you get the right system tailored to your needs. Our offerings range from whole-house filtration and reverse osmosis systems to well water treatment, scale removal, and salt-free conditioning. We not only install but also repair and maintain all major water purification systems.
HAPPY CUSTOMERS!
What our customers say
I was super impressed with this small business. Hugo was very friendly, helpful, knowledgeable, and efficient. He arrived on time so no prolonged waiting. I added their contact information to my phone. They will be my go-to pros for any future issues!
Bonnie L.
AMAZING! Hugo was a pleasure to work with. He was on time, finished the install in less than two hours, left no trace behind and did an excellent job explaining everything. I would highly recommend The Water Doctor!
Jeff A.
I’ve had the privilege of working with Hugo and Patricia for my water softener system. They are by the best team to work with. They are very hands on and are extremely knowledgeable in their craft. I would highly recommend them to anyone who is interested in a water softener for their home.
Joe G.
Patricia and Hugo did an excellent job for us… Professional, friendly, highly competent, honest, and reasonably priced. There’s not a better combination in plumbing services than that. Our experience with them was exceptionally good. I very highly recommend them.
Michael C.


FREQUENTLY ASKED QUESTIONS
What Makes Well Water Treatment Different From City Water?
Well water often contains natural minerals, bacteria, and contaminants that vary by location. We partner directly with a certified lab to analyze your well water and build a system tailored to your specific water conditions.
How Do I Know Which Water System Is Right for My Home?
Our team has hands-on experience repairing, installing, and selling every major system. We’ll assess your water needs and provide honest recommendations based on performance, reliability, and long-term value—not just what’s trending.
Do You Offer Maintenance or Service on Existing Systems?
Yes, we service most water softeners, filtration units, and reverse osmosis systems—even if we didn’t install them. Whether it’s a quick repair or a full rebuild, we’re here to help.
Are You Licensed and Certified in Texas?
Yes. We’re ranked in the top 11% on BuildZoom statewide for permits and inspections—proof that we follow strict codes and best practices. Our small team takes pride in doing every job right, from paperwork to performance.
Pure Water Starts with Honest, Local Service
At The Water Doctor, our mission is simple: to provide San Antonio, Texas, homeowners with access to the highest quality water treatment solutions and dependable service. For over 25 years, we’ve built our reputation on integrity, technical expertise, and unwavering commitment to customer satisfaction. Whether you need a complex healthy water treatment system or just want softer water for everyday use, our team delivers with precision and care. We take time to understand your unique needs, offer honest recommendations, and ensure every system is installed and maintained to the highest standards.
- Water Treatment Specialist Class 3 #WT0002127
SERVICE AREAS
- San Antonio, TX
- New Braunfels TX
- Schertz TX
- Cibolo TX
- Seguin TX
- Converse TX
- Canyon Lake TX
- Timberwood Park TX
- Boerne TX
- Universal City TX
Hours of Service
Mon-Fri: 9am-5pm
Sat: 11am-5pm
Sun: Closed