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
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