Water Testing Labs in Washington
Certified drinking water laboratories in Washington 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 →
18 Certified Labs in Washington
← All StatesAlliance Technical Group, LLC - Seattle
NELAP certifiedTNI accredited
ALS Environmental, Kelso
NELAP certifiedTNI accredited
Analytical Resources, LLC
NELAP certifiedTNI accredited
Anatek Labs, Inc. - Spokane
NELAP certifiedTNI accredited
Anatek Labs, Inc. - Yakima
NELAP certifiedTNI accredited
Brooks Applied Labs, LLC
NELAP certifiedTNI accredited
BSK Associates ?Vancouver
NELAP certifiedTNI accredited
Eurofins EPK Built Environment Testing, LLC
NELAP certifiedTNI accredited
Eurofins Seattle
NELAP certifiedTNI accredited
Eurofins Spokane
NELAP certifiedTNI accredited
Eurofins TestAmerica Seattle
NELAP certifiedTNI accredited
Eurofins Washington - Burlington
NELAP certifiedTNI accredited
Friedman & Bruya, Inc
NELAP certifiedTNI accredited
JACO ANALYTICAL LABORATORY
NELAP certifiedTNI accredited
Matrix Sciences dba KTL
NELAP certifiedTNI accredited
Precision Analytical Laboratories, LLC
NELAP certifiedTNI accredited
RJ Lee Group, Inc./Columbia Basin Analytical Laboratories
NELAP certifiedTNI accredited
Spheros Environmental
NELAP certifiedTNI accredited
About Washington Water Testing Certification
All laboratories listed have been certified by Washington’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 Washington water systems →