National Water Service is a locally trusted provider of whole-home water treatment systems, professional plumbing services, and well pump installation and repair. We serve homeowners and businesses throughout Maryland, Washington DC, and Northern Virginia with customized solutions designed for local water conditions.
From improving water quality and protecting plumbing systems to restoring water pressure and handling emergencies, our experienced technicians deliver reliable, long-term solutions backed by over 47+ Years of service.
We provide residential and commercial water treatment solutions to improve water quality, protect plumbing systems, and ensure clean, safe water throughout your home or business.
From everyday plumbing repairs to complex mechanical projects, our experienced plumbers deliver reliable solutions backed by decades of trusted workmanship.
Our licensed plumbers handle residential and commercial plumbing needs across Maryland, DC, and Northern Virginia.
We specialize in well pump installation, repair, and troubleshooting to ensure reliable water pressure and uninterrupted water supply for homes and businesses.
Serving homes, farms, and commercial properties across the region.
We provide professional Water Treatment Services, Plumbing Services, and Well Pump Services for residential and commercial properties across Maryland, Washington DC, and Northern Virginia.
We serve customers throughout Maryland, Washington DC, and Northern Virginia. Visit our Contact Page to confirm service availability in your specific area.
Signs you may need water treatment include hard water buildup, staining, unpleasant odors, metallic taste, or cloudy water. We offer professional water testing through our Water Treatment Services to determine the right solution for your home or business.
Yes. National Water Service is fully licensed and insured to provide Water Treatment Services, Plumbing Services, and Well Pump Services in Maryland, DC, and Northern Virginia.
National Water Service has been serving the region since 1979, bringing over 47 years of experience to every project.
Yes. We design and install customized systems for both homeowners and commercial properties.
If you experience sudden loss of water or pressure, it may indicate a well pump or pressure tank issue. Contact our team for prompt diagnostic service.
Based in Woodbine, MD — providing water treatment, plumbing, and well pump services across the region.
