Water Testing Labs in Massachusetts

Certified drinking water laboratories in Massachusetts 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 →

7 Certified Labs in Massachusetts

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ACCUSTAR LABS

📍 2 SABER WAY, WARD HILL, MA 01835-8000

📞 (888) 480-8812

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NELAP certifiedTNI accredited

Battelle Analytical Chemistry Services Laboratory

📍 141 Longwater Drive, Suite 202, Norwell, MA 02061

📞 7816815400

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NELAP certifiedTNI accredited

PACE ANALYTICAL SERVICES LLC - MA

📍 22 CUMMINGS PARK, WOBURN, MA 1801

📞 7819353212

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NELAP certifiedTNI accredited

PACE ANALYTICAL SERVICES LLC MANSFIELD MA (120 FORBES)

📍 120 FORBES BLVD, MANSFIELD, MA 2048

📞 5088989220

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NELAP certifiedTNI accredited

PACE ANALYTICAL SERVICES LLC MANSFIELD MA (320 FORBES)

📍 320 FORBES BLVD, MANSFIELD, MA 2048

📞 5088229300

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NELAP certifiedTNI accredited

PACE ANALYTICAL SERVICES, LLC - EAST LONGMEADOW, MA

📍 39 SPRUCE STREET, EAST LONGMEADOW, MA 01028

📞 (413) 525-2332

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NELAP certifiedTNI accredited

PACE ANALYTICALSERVICES LLC WESTBOROUGH MA

📍 8 WALKUP DRIVE, WESTBOROUGH, MA 1581

📞 5088989220

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NELAP certifiedTNI accredited

About Massachusetts Water Testing Certification

All laboratories listed have been certified by Massachusetts’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 Massachusetts water systems →