National Water Service
Business hours
| Monday | 7:00am to 5:00pm |
| Tuesday | 7:00am to 5:00pm |
| Wednesday | 7:00am to 5:00pm |
| Thursday | 7:00am to 5:00pm |
| Friday | 7:00am to 4:00pm |
| Saturday | 7:00am to 4:00pm |
| Sunday | 7:00am to 4:00pm |
About us
For 45 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 to do a basic analysis of your water and/or existing water treatment at no charge.
Our installers are all professionally trained in Water Treatment, Purification, Filtration and are certified well water specialists!
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