Missouri Water Testing Labs
Find EPA-certified water testing laboratories in Missouri. All labs listed are certified by Missouri Department of Natural Resources and meet federal standards for drinking water analysis.
State Certification Program
Missouri Department of Natural Resources
Visit Certification Program Website💡 Local Resources & Tips
Missouri State Public Health Laboratory provides testing services; University of Missouri Extension also offers water testing programs
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 times—costs 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
- •Annual minimum: Bacteria + nitrate ($150-$200)
- •Every 2-3 years: Comprehensive panel ($250-$400)
- •PFAS testing: Near risk sources ($300-$500)
- •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.
RECOMMENDED
SimpleLab
Standard Home Water Test
$232
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
(209 reviews)
7-10 days
200+ tested
EPA Certified
Tests 200+ contaminants
EPA-certified laboratory
Easy mail-in sample collection
SimpleLab
Advanced Home Water Test
$369
Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.
(19 reviews)
7-10 days
300+ tested
EPA Certified
Tests 300+ parameters
Most thorough analysis available
EPA-certified laboratory
EPA-Certified Labs
7-10 Day Results
Easy Mail-In Collection