Water Testing Labs in Arizona
Certified drinking water laboratories in Arizona 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 →
4 Certified Labs in Arizona
← All StatesCity of Phoenix Water Quality Laboratory
NELAP certifiedTNI accredited
City of Phoenix Water Services Laboratory
NELAP certifiedTNI accredited
Eurofins Phoenix
NELAP certifiedTNI accredited
Glen Canyon - Wahweap
NELAP certifiedTNI accredited
About Arizona Water Testing Certification
All laboratories listed have been certified by Arizona’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 Arizona water systems →