At National Water Service, we take pride in our commitment to quality, safety, and professionalism. Our team holds a range of industry-recognized certifications and licenses that demonstrate our expertise in water treatment, well systems, and plumbing services. These credentials reflect our dedication to meeting state and local regulations, staying up to date with evolving best practices, and delivering work that meets the highest standards.
Whether we’re installing a reverse osmosis system, servicing a well pump, or handling complex plumbing needs, you can trust that our certified professionals are qualified, knowledgeable, and fully equipped to do the job right. Explore our credentials below to learn more about the trusted qualifications behind every service we provide.
With over 45+ years of experience in water repair and management, we are proud to offer dedicated Water Techs & Master Plumbers to homes and businesses. Get affordable pricing, competitive quotes, and quality materials that last.
Certifications and licenses ensure that our team meets strict industry standards, follows safety regulations, and has the knowledge to deliver high-quality, code-compliant work. It’s peace of mind that your home is in professional hands.
Yes! We are fully licensed to operate across Maryland, Virginia, and Washington, D.C. If you have questions about your specific location, feel free to contact us directly.
Our technicians and specialists hold a variety of certifications in water treatment, plumbing, and well system services. This includes state plumbing licenses, water conditioning certifications, and ongoing manufacturer training for the systems we install.
Absolutely. Our team receives regular training and certification from leading manufacturers of water softeners, reverse osmosis systems, chemical filters, and well pump equipment to ensure proper installation and maintenance.
We stay current with all licensing requirements and renew certifications as needed to comply with state and industry guidelines. This includes continuing education to keep up with the latest technologies and best practices.
National Water Service has been providing residential & small commercial water treatment, plumbing & well pump services for over 45 years. We specialize in water treatment, filtration & purification solutions as well as general plumbing to ensure clean, safe water for our customers in Maryland, DC & Northern Virginia.
Mon - Thurs
7:00am - 5:00pm
Friday
7:00am - 4:00pm
Sat - Sun
Emergency Service Available
National Water Servicing Corporation — 2025 All Right Reserved ™
