National Water Service is a trusted, family-run provider of water treatment, well pump, and plumbing services based in Woodbine, Maryland. With more than 45 years of experience spanning three generations, the company delivers reliable solutions that protect water quality, system performance, and long-term property value.
From clean drinking water to dependable well systems and professional plumbing support, National Water Service combines proven expertise with modern technology. As a result, homeowners and businesses receive dependable service backed by honesty, skill, and decades of real-world experience.
Serving Maryland, Washington, DC, and Northern Virginia, the team is committed to keeping water systems safe, efficient, and running smoothly year-round.
National Water Service provides complete installation, repair, and maintenance solutions for residential and commercial water systems, including:
Reverse osmosis systems
Whole-house filtration & softeners
UV disinfection & specialty treatment systems
Well pump installations & replacements
Pressure tank inspections & repairs
Emergency no-water service
Leak detection & drain services
Tankless & conventional water heater installation and repair
Filter and media replacement
Tankless heater descaling
Comprehensive annual water testing
Priority service and maintenance discounts
Each service is performed by certified professionals using industry-leading equipment and thorough system testing to ensure long-term reliability.
Customers choose National Water Service because experience, reliability, and care come standard with every job.
Over 45 years of industry expertise
Three generations of water system knowledge
Certified water technicians and master plumbers
Honest recommendations with no pressure
Fast response times for urgent repairs
Proven results across residential and commercial properties
Whether improving water quality, restoring water pressure, or maintaining system health, National Water Service delivers solutions you can trust.
To see more local businesses, explore the Maryland Local Businesses Map.
National Water Service specializes in complete water system solutions designed to protect your home or business. From advanced filtration and purification systems to reliable well pump installations and professional plumbing services, every solution is tailored to ensure clean water, consistent pressure, and long-term performance.
