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Water: Laboratory Certification

State Certification Officers for Drinking Water Laboratories

Updated February 19th, 2014

Frequently Asked Question
If you want to...

      • Obtain additional tests on your water, EPA recommends that you use a laboratory certified by the state. Call the state certification officer or click the map or list below to identify a certified laboratory.

                                             

US map of State Certification Officers for Drinking 

Water Laboratories

To report an update to this list, please call EPA's Safe Drinking Water Hotline (1-800-426-4791)
or send a report electronically.

  Alabama (334) 271-7773  Alaska (907) 790-2169  Arizona (602) 364-0728  Arkansas (501) 661-2220  California (510) 620-3155  Colorado (303) 692-3681  Connecticut (860) 509-7389  Delaware (302) 741-8630  Florida (904) 791-1599  Georgia (404) 656-5660   Hawaii (808) 453-6680  Idaho (208) 334-2235  Illinois (217) 785-0561  Indiana (317) 921-5571  Iowa (515) 725-0341  Kansas (785) 296-1639  Kentucky (502) 564-6121  Louisiana (504) 219-4667  Maine (207) 287-1929  Maryland (410) 537-3712  Massachussets (978) 682-5237  Michigan (517) 335-8812  Minnesota (651) 201-5323  Mississippi (601) 576-7518  Missouri (573) 751-1077  Montana (406) 444-2642  Nevada (775) 687-9491  Nebraska (402) 471-8407  New Jersey (609) 292-3950  New Mexico (505) 827-7536  New York (518) 485-5570  North Carolina (919) 733-7308  North Dakota  Ohio (614) 644-4245  Oklahoma (405) 702-1039  Oregon (503) 229-5505  Pennsylvania (717) 346-7200  Rhode Island (401) 222-5578  South Carolina (803) 896-0970  South Dakota (605) 773-3754S  Tennessee (615) 532-0183  Texas (512) 239-1716  Utah (801) 965-2540  Vermont (802) 863-7335  Virginia (804) 648-4480  Washington (360) 895-6144  West Virginia (304) 965-2694  Wisconsin (608) 266-0245  Wyoming (303) 312-7764


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