Water service for Maryland, Washington DC, and Virginia

Well Pumps & Tanks

Residential Services A professional well pump service crew with the right tools gets the job done faster and cleaner!

Our Well Pump and Tank services include:

  • Constant Pressure Well Pumps
  • Well Pump Replacement
  • In-Well Camera Service
  • Booster Pumps
  • Well Disinfection
  • Hydro-Fracking
  • New Construction
  • Trenching Service
  • Water Tank Service
  • Comprehensive Lab Testing
  • Low Yielding Well Options
  • Storage Tank Options

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Water Treatment

Roofing Services National Water Service has the professional water treatment solution for you, no matter what the issue. We offer non-proprietary equipment and 24 hour service.

Our Water Treatment & Purification Services include:

  • Sediment Filtration
  • Reverse Osmosis
  • Acid Neutralizers
  • Water Softeners
  • Carbon Tanks
  • Iron Removal
  • Sulfur Removal/Education
  • Ozone Purification
  • Radon Remediation
  • Ultraviolet Purification
  • Chlorine Removal
  • Stains & Smelly Water

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Get a Quote Don't Hesitate, Give us a call today!
For over 30 years, National Water Service has been serving the entire Mid Atlantic region with Quality products and Exceptional Service!


New Construction

Roofing Services New Construction, remodeling, replacing service lines, and fixing broken service lines. We have the heavy equipment to get the job done! From a small leak to a major one, we are there for you!

Call Now to speak with a member of our knowledgeable staff, or send us an email.


Constant Pressure Systems

Roofing Services National Water Service is the leader when it comes to Constant Pressure Technology. If you want some serious water pressure with an outstanding warranty, we are the ones to call!

Call Now to speak with a member of our knowledgeable staff, or send us an email.


Flood Prevention Devices

Roofing Services Nothing is more heartbreaking than a flooded house or a basement. The cost is huge both in damages and lost time and wages for cleanup. In addition, the house is never quite the same afterwards

We carry three levels of Flood Protection - Under Sink, Whole House (hard wired), or Wireless with up to 32 remote sensors to place around the house for total flood protection! Never leave your house unprotected again!

Call Now to speak with a member of our knowledgeable staff, or send us an email.


Get a Quote Don't Hesitate, Give us a call today!
For over 30 years, National Water Service has been serving the entire Mid Atlantic region with Quality products and Exceptional Service!

Proudly Serving Clients for Over 30 years in:

  • Howard County
  • Montgomery County
  • Frederick County
  • Anne Arundel County
  • Carroll County
  • Baltimore County
  • Prince George's County
  • Harford County
  • Washington DC
  • Baltimore City
  • Loudoun County
  • Fairfax County