Search for an accredited laboratory

Search the lab accreditation database by lab name, location, or analytical parameter.

Lab Lists

The lists below are pdf documents. To search for a specific word in a pdf document, click the binoculars icon on the left side. In the box, "What word or phrase do you want to search for?", enter the word you want to find. For example, you can search for a city, county, or test.

Drinking water labs only

Drinking water labs and ALL analyses as of the date on the list (pdf file 204 KB, 54 pages)
Drinking water labs accredited for ARSENIC only as of the date on the list (pdf file) 20 KB 6 pages)
Labs accredited for drinking water with DOH identification number (pdf file 45 KB, 14 pages)

If you get drinking water from a private well, the US EPA Private Drinking Wells site has additional well. The linke for the site is http://www.epa.gov/safewater/privatewells/index2.html

All accredited Labs

All accredited labs sorted by lab name as of the date on the list (pdf file 131 KB, 22 pages