National Water Service

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Claim This BusinessAbout National Water Service
National Water Service delivers water treatment solutions to residents of Woodbine and surrounding Maryland communities, including Clarksburg. With a near-perfect 4.9-star rating accumulated across 567 client reviews, the company has established itself as a trusted provider for households relying on well water systems and those seeking advanced filtration technology. The business operates Monday through Saturday from 7 AM, extending service hours on weekends to accommodate homeowner schedules.
The contractor distinguishes itself through specialized expertise in reverse osmosis filtration and traditional water heater systems. Technicians maintain a thorough understanding of well water chemistry, performing comprehensive water testing to assess hardness, contaminants, and overall household water quality. This diagnostic approach allows the team to recommend tailored solutions rather than applying generic treatments.
Multiple reviewers commend specific team members by name. Thomas and Jake completed a reverse osmosis installation within the agreed timeframe, communicating each step to the homeowner. Daniel provided extensive education about well water systems, explaining both testing procedures and result implications. Paul received recognition for his reliable, friendly manner and ability to clarify technical details. One reviewer noted requesting the same technicians for future service at their residence.
What Customers Say
Every reviewed experience rates the service as five stars, with technicians consistently arriving on time and explaining processes clearly. Customers repeatedly mention feeling confident in their water systems after working with National Water Service.
Working Hours
| Sunday | 7 AM–4 PM |
| Monday | 7 AM–5 PM |
| Tuesday | 7 AM–5 PM |
| Wednesday | 7 AM–5 PM |
| ThursdayToday | 7 AM–5 PM |
| Friday | 7 AM–4 PM |
| Saturday | 7 AM–4 PM |