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Water Testing Labs
of Maryland, Inc.

t/a Water
Testing Labs of Virginia

Water Quality Laboratories
Certified by the
State Health Departments

Laboratory Certification Numbers
Maryland: 104, 134, 214
Virginia: 00007, 00107

Water Testing Labs of Maryland (WTL of MD) has been doing water and wastewater analytical services for customers in the region since 1975. 

We were the first private laboratory certified by the Maryland State Health Department.  We presently have four certified water testing laboratories throughout the region, three in Maryland and one in northern Virginia that service over 1000 water systems and over 100 wastewater systems. 

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We test drinking water for real estate transfers, personal use, community water supplies, schools, and businesses. Our labs perform thorough water quality tests of drinking water, city tap water or well water to identify any contaminants. We also do septic surveys and termite inspections for real estate transfers.  

Our service area includes Maryland, Delaware, Washington DC, and Northern Virginia.  Our operations division, Chesapeake Operations, operates over 30 water and wastewater plants throughout Maryland. 

Through our operations division we offer operation and maintenance, regulatory monitoring and reporting, management, training and project consulting of water and wastewater treatment plants. For more details on this program or quantity discounts on water testing please call or email us today.

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EPA Lab ID: MD00086

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