Water Testing Labs in Oklahoma
Certified drinking water laboratories in Oklahoma 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 →
10 Certified Labs in Oklahoma
← All StatesAccurate Environmental Labs - OKC
NELAP certifiedTNI accredited
Accurate Environmental Labs - Stillwater
NELAP certifiedTNI accredited
Accurate Environmental Labs - Tulsa
NELAP certifiedTNI accredited
Air Hygiene International, Inc.
NELAP certifiedTNI accredited
CETCON Inc
NELAP certifiedTNI accredited
Cove Environmental, LLC.
NELAP certifiedTNI accredited
Environmental Testing, Inc.
NELAP certifiedTNI accredited
Green Country Testing, Inc. - OKC
NELAP certifiedTNI accredited
Green Country Testing, Inc. - Tulsa
NELAP certifiedTNI accredited
OKLAHOMA STATE ENVIRONMENTAL LABORATORY SERVICES #2338
NELAP certifiedTNI accredited
About Oklahoma Water Testing Certification
All laboratories listed have been certified by Oklahoma’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 Oklahoma water systems →