Certification for Labs
Find out how to become certified in Missouri by the Department of Natural Resources.
- For microbiological laboratory certification, contact the Missouri Department of Health and Senior Services at 573-751-3334.
- For chemical laboratory certification, apply online or contact the Missouri Department of Natural Resources' Environmental Services Program 573-526-3315.
For more information, contact the Water Protection Program, Public Drinking Water Branch at 573-751-1077.
Note: Certified laboratories are listed below by two categories of contaminants (Chemical and Microbiological Analyses) for which certification is given. The specific analytes for which each lab is certified can vary. You can verify a specific contaminant with the laboratory or see the list of certified analytes or parameters and methods for each lab by choosing the links below.