Water Testing Labs in Maryland
Certified drinking water laboratories in Maryland accredited for EPA-regulated contaminant testing, including bacteria, metals, nitrates, and PFAS.
Check your water report first — it’s free. Look up your public water system’s EPA compliance data before scheduling an independent test. Search by ZIP →
9 Certified Labs in Maryland
← All StatesAMA ANALYTICAL SERVICES INC
NELAP certifiedTNI accredited
Beacon Environmental Services, Inc.
NELAP certifiedTNI accredited
CLEAN HARBORS EAST CORPORATE LABORATORY
NELAP certifiedTNI accredited
EA Engineering, Science, and Technology - Ecotoxicology Laboratory
NELAP certifiedTNI accredited
Maryland Spectral Services, Inc.
NELAP certifiedTNI accredited
Microbac Laboratories, Inc. - Baltimore
NELAP certifiedTNI accredited
Phase Separation Science Inc
NELAP certifiedTNI accredited
Tetra Tech Inc Ecological Testing Facility
NELAP certifiedTNI accredited
UNIVERSITY OF MARYLAND, CBL-NASL
NELAP certifiedTNI accredited
About Maryland Water Testing Certification
All laboratories listed have been certified by Maryland’s state drinking water program. State-certified labs demonstrate proficiency in testing drinking water for contaminants regulated under the Safe Drinking Water Act. For private well testing, contact a lab directly to discuss the appropriate test panel for your area.
For public water systems, check EPA compliance data free at ClearWater. View Maryland water systems →