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National Water Service

4.9
  • Highland, MD

About this business

For 40 years, National Water Service has been installing and servicing complex water systems in Homes, Restaurants, Hotels, Hospitals, Shopping Centers & more all over the the DC, Baltimore & Frederick Metro areas. We work with Architects, Builders & Construction Firms to create custom applications for residential & commercial water treatment, purification, as well as a complete line of well pumps, boosters, etc. Whether on City Water or a Well System, water quality can vary quite a bit from street to street and we are happy... read more

Location details

7249 Mink Hollow Road, Highland, MD, 20777, United States

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WeekdayScheduleStatus
Mon7:00 a.m. to 5:00 p.m.
Tue7:00 a.m. to 5:00 p.m.
Wed7:00 a.m. to 5:00 p.m.
Thu7:00 a.m. to 5:00 p.m.
Fri7:00 a.m. to 4:00 p.m.
Sat7:00 a.m. to 4:00 p.m.
Sun7:00 a.m. to 4:00 p.m.
4.9511 reviews
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Joe Palmer's profile image
Joe Palmer 
recommend  Recommended
6 years ago

5 star company. great service and quality installs 

Business response:

Thank you Joe! 

Jon Bourgstein's profile image
Jon Bourgstein 
7 years ago

Excellent service! I recommend anyone who's having water concerns try these people you will not be disappointed. I lived with low water pressure due to the well system that we had for way too long. Fantastic company that do what they say they're going to do what more could you ask for? 

Business response:

Thank you Jon. It was great speaking with you today. Water Treatment and well pumps, as you know, should be extremely user friendly, and as such, no one should have to live with low water pressure. We are very happy you are enjoying your new constant pressure system. 

Alice Mault Berman's profile image
Alice Mault Berman 
7 years ago

We always receive outstanding service from NWS. Our technicians are always on time, professional, and extremely knowledgeable. In November, our well pump died on a late Saturday night. I called the emergency #, and we had a technician at our house on Sunday. We had to have our old well pump and pitless replaced. The work was top notch, and we are completely satisfied. David, the owner, always follows up and is available to answer any questions. We couldn't be more pleased and satisfied working with NWS. Thank you for your ou... read more

Julie Ramey's profile image
Julie Ramey 
8 years ago

We were actually very excited to work with this company in the beginning. They seemed very knowledgeable and like they could really answer a lot of our questions. They came out to do the initial quote. We were told to get a certain guy to look at our well. A different guy ended up showing up. He was nice and let us know he would get back with a couple quotes based on how we wanted to upgrade our well. We informed them we have the money in escrow already that had to go toward a well from our house purchase. We were literally ... read more

Debra Caplan's profile image
Debra Caplan 
8 years ago

National Water installed a new Reverse Osmosis (RO) system in my home last week. They were professional, showed up on time, were very easy to work with and the price was right! I could immediately tell the difference between my tap water, which has this metallic/chemical taste to it and the RO water, which was clean, fresh and reminded me of the water I had as a child. Even my 15 year old dog, who is suffering from bladder cancer, and refuses to drink water much anymore, drank an entire bowl of the RO water almost immediatel... read more

Business response:

Thank you for the kind words Debra! We are very happy you and your dog are enjoying your new Reverse Osmosis System and we look forward to working with you for many years to come! 

Wayne Royse's profile image
Wayne Royse 
9 years ago

Business response:

Thank you Wayne! 

Ellen Ossip Sosinski's profile image
Ellen Ossip Sosinski 
10 years ago

The folks at National water service are very friendly, and more important, knowledgeable. We like doing business with them. 

Business response:

Thank you Ellen! 

Kira Elaine Mock's profile image
Kira Elaine Mock 
10 years ago

These guys are great; they do an efficient, thorough job and keep our drinking water safe with our UV filtration light that was installed two years ago. 

Business response:

Awesome to hear the techs were great and efficient! Thank you for your business and we will see you again next year! 

Barbara Rady Kazdan's profile image
Barbara Rady Kazdan 
10 years ago

Work crew was efficient, courteous, and took time to answer questions. 

Business response:

We take pride in our tech's friendly nature and ability to help educate the customer on their equipment! Glad everything went well and we will see you again next year! 

Frequently asked questions about National Water Service

How is National Water Service rated?

National Water Service has a 4.9 star rating with 511 reviews. 

When is National Water Service open?

National Water Service is closed now. It will open tomorrow at 7:00 a.m. 

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