Arizona Water Testing Labs
Find EPA-certified water testing laboratories in Arizona. All labs listed are certified by Arizona Department of Health Services Office of Laboratory Licensure & Certification and meet federal standards for drinking water analysis.
State Certification Program
Arizona Department of Health Services Office of Laboratory Licensure & Certification
Visit Certification Program Websiteπ‘ Local Resources & Tips
Database allows searching by laboratory name, certification number, or specific test parameters
How to Use This Directory
- 1.Access the laboratory directory using the link above
- 2.Verify certifications: Confirm labs hold current state certification for the specific contaminants you want to test (bacteria, nitrate, metals, VOCs, PFAS)
- 3.Request pricing: Call multiple labs to compare prices and turnaround timesβcosts vary significantly even within the same state
- 4.Schedule testing: Follow lab instructions for sample collection, storage, and delivery
- 5.Review results: Compare detected concentrations against EPA standards and take appropriate action
Testing Quick Facts
- β’Annual minimum: Bacteria + nitrate ($150-$200)
- β’Every 2-3 years: Comprehensive panel ($250-$400)
- β’PFAS testing: Near risk sources ($300-$500)
- β’Turnaround: 24-48 hrs (bacteria), 5-10 days (comprehensive)
Prefer a Simpler Option?
Can't find a convenient local lab? Mail-in testing offers EPA-certified analysis without appointments or travel.

SimpleLab
Standard Home Water Test
$232
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

SimpleLab
Advanced Home Water Test
$369
Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.