Certified Laboratory Listings
Lists of certified laboratories may be found at the following links. These lists are updated approximately every 6 months which means they are not updated in real time and the certification status of a laboratory may change and not be reflected in these lists. For questions about the certification status of a laboratory or about the scope of accreditation, contact the laboratory directly or the site administrator.
| Laboratory Type | List | Last Updated |
|---|---|---|
| Commercial | In-state | 3/2025 |
| Commercial | Out-of-state | 3/2025 |
| Commercial | Certified for EPH Analysis | 3/2025 |
| Commercial | Certified for VPH Analysis | 3/2025 |
| Commercial | Certified for Hg by EPA 1631 | 3/2025 |
| Commercial | Certified for Animal Waste Nutrient Management Analysis | 3/2025 |
| Commercial | Certified for E. coli Analysis | 3/2025 |
| Commercial | Mobile Commercial Laboratories (none at this time) | |
| Municipal and Industrial | Operated by an Industry, Municipality or Other Local Government | 3/2025 |
| Field Commercial | Certified to Analyze only *Field Parameters for a Fee | 3/2025 |
| Field Municipal and Field Industrial | Certified to Analyze only *Field Parameters | 3/2025 |
*Field parameters include: pH, DO, Total Residual Chlorine, Free Available Chlorine, Temperature, Specific Conductance, Settleable Residue, Turbidity, Salinity, Sulfite and VAR Options 5, 6 and 12. Note: Commercial, municipal, industrial and other laboratories may also be certified to analyze field parameters in addition to the non-field parameters under their non-field certification.
If you have any questions about the content of the site, contact the site administrator.