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These are the contacts for each state to find out which laboratories are certified to test drinking water for contaminants.
ALABAMA
(334) 271-7773
Alabama Department of Environmental Management
1751 Congressman WL Dickenson Drive
Montgomery, Alabama 36130
ALASKA
(907) 790-2169
Department of Environmental Conservation
State Chemistry Laboratory
10107 Bentwood Place
Juneau, Alaska 99801
ARIZONA
Chemistry & Microbiology
(602) 255-3454 Ext. 203
Radon
(602) 255-4845
Arizona Department of Health Services
Environmental Consultants
3433 North Central Avenue, Suite 810
Phoenix, Arizona 85012
ARKANSAS
(501) 661-2218
Division of Public Health Laboratories
4815 West Markham
Little Rock, Arkansas 72205-3867
CALIFORNIA
(510) 540-2800
California Laboratory Certification Office
2151 Berkeley Way, Annex 2
Berkeley, California 94704
COLORADO
(303) 692-3062
Colorado Department of Health and Environment
Lab Certification Unit
8100 East Lowry Blvd.
Denver, Colorado 80220
CONNECTICUT
(860) 509-7389
Connecticut Department of Public Health
Environmental Health - Labratory Certification Division
P.O. Box 1340308
410 Capital Avenue
Hartford, Connecticut 06134
DELAWARE
Chemistry, Microbiology & Radionuclides
(302) 739-5410
Radon
(302) 739-4731
Health Services Protection
Public Water System Supervision Program
Federal Street
P.O. Box 637
Dover, Delaware 19903
FLORIDA
Chemistry & Microbiology
(904) 791-1599
Radionuclides
(407) 297-2095
Radon
(850) 488-1525
Florida Department of Health and Rehabilitative Services
P.O. Box 210
Jacksonville, Florida 32231
GEORGIA
(404) 656-4807
Georgia Department of Natural Resources Drinking Water Permitting Program
Floyd Towers, East Suite 1362
205 Butler Street, SE
Atlanta, Georgia 30334
GUAM
(671) 472-8863
Monitoring Services Division
Guam Environmental Protection Agency
15-6101 Mariner Avenue, Tiyan,
Barrigada, Guam 96913
(or mailing address: PO Box 22439 GMF,
Barrigada, Guam 96921)
HAWAII
(808) 586-4258
Hawaii Department of Health
919 Ala Moana Blvd, Room 309
Honolulu, Hawaii 96782
IDAHO
(208) 334-2235 ext. 237
Manager of Laboratory Improvement
State Health Department
2220 Old Penitentiary Road
Boise, Idaho 83712-8299
ILLINOIS
Chemistry
(217) 782-6455
Illinois Department of Public Health
2200 Churchill Road
Springfield, Illinois 62706
Microbiology
(217) 782-6562
Illinois Department of Public Health
P.O. Box 19435
825 North Rutlidge
Springfield, Illinois 62794-6562
Radon
(312)793-4760
1-800-325-1245
Illinois Dept. of Public Health Division of Laboratories
2121 West Taylor St.
Chicago, Illinois 60612-4285
INDIANA
Chemistry & Radionuclides
(317) 233-8071
Microbiology
(317) 233-8072
Radon
(317) 233-7146
Chemistry Quality Assurance
1330 West Michigan Street
Indianapolis, Indiana 46202-2874
IOWA
(515) 281-8914
Radon
(319) 335-4500
Iowa Department of Natural Resources
Henry A. Wallace Building
900 East Grand
Des Moines, Iowa 50319-0034
KANSAS
(785) 296-1639
Health and Environmental Laboratory
Kansas Department of Health and Environment
Forbes Field, Building #740
Topeka, Kansas 66620-0001
KENTUCKY
(502) 564-6121
Kentucky Department of Environmental Protection
Fort Boone Plaza, 14 Reilly Road
Frankfort, Kentucky 40601
LOUISIANA
(504)568-3455
Division of Laboratory Services
Department of Health and Human Services
325 Loyola Avenue, Room 709
New Orleans, Louisiana 70112
MAINE
Chemistry & Microbiology
(207) 287-1929
Radionuclides
(207) 287-1714
Health and Environment Testing Laboratory
State House
157 Capitol Street
Augusta, Maine 04333
MARYLAND
(410) 631-3706
Maryland Department of the Environment
Public Drinking Water Program
2500 Broening Highway
Baltimore, Maryland 21224
MASSACHUSETTS
Chemistry & Radionuclides
(978) 682-5237 ext: 331
Microbiology
(978) 682-5237 ext. 333
Radon
(617) 983-6870
Massachusetts Department of Environmental Protection
William X. Wall Experiment Station
37 Shattuck Street
Lawrence, Massachusetts 01843
MICHIGAN
(517) 335-8812
Michigan Department of Environmental Quality
Drinking Water and Radiological Protection Division
3350 Martin Luther King, Jr. Boulevard
P.O. Box 30270
Lansing, Michigan 48909-2933
MINNESOTA
Chemistry & Microbiology
(612) 676-5200
Radon
(651) 215-0909
Minnesota Public Health Lab Division
717 Delaware Street, SE
Minneapolis, MN 55440
MISSISSIPPI
Chemistry & Microbiology
(601) 960-7582
Radon & Radionuclides
(601) 354-6657
Mississippi State Department of Health
P.O. Box 1700
Jackson, Mississippi 39215-1700
MISSOURI
Public Drinking Water Program
Missouri Department of Natural Resources
P.O. Box 176
Jefferson City, Missouri 65102
MONTANA
(406) 444-4400
Department of Environmental Quality
Community Services Bureau, Public Water Supply Program
1520 East 6th Avenue, PO Box 200901
Helena, Montana 59620-0901
NEBRASKA
(402) 471-2122
Division of Laboratories
Nebraska Department of Health and Human Services
P.O. Box 2755
Lincoln, Nebraska 68502
NEVADA
Chemistry & Microbiology
(775) 688-2888
Radon
(775) 687-5394
Bureau of Licensure and Certification
State Health Department
1660 North Virginia Street
Reno, Nevada 89502
NEW HAMPSHIRE
(603) 271- 3503
New Hampshire Department of Environmental Services Laboratory
6 Hazen Drive
P.O. Box 95
Concord, New Hampshire 03301
NEW JERSEY
(609) 292-3950
Office of Quality Assurance
New Jersey Department of Environmental Protection
P.O. Box 424
Trenton, New Jersey 08625
NEW MEXICO
(505) 827-7536
Drinking Water Bureau Environment Department
P.O. Box 26110
Santa Fe, New Mexico 87502
NEW YORK
(518) 485-5570
New York State Department of Health
Wadsworth Center
Empire State Plaza
P.O. Box 509
Albany, New York 12201-0509
NORTH CAROLINA
Chemistry & Microbiology
(919) 733-7308
Radionuclides & Radon
(919) 571-4141
North Carolina Department of Environment, Health & Natural Resources
P.O. Box 28047
Raleigh, North Carolina 27611
NORTH DAKOTA
(701) 328-6172
State Department of Health
Division of Chemistry/Division of Microbiology
P.O. Box 937/P.O. Box 5520
Bismarck, North Dakota 58502
OHIO
(614) 644-2752
Ohio Environmental Protection Agency
P.O. Box 1049; 1800 Watermark Drive
Columbus, Ohio 43266-1049
OKLAHOMA
Chemistry & Microbiology
(405) 702-6125
Radon
(405) 702-6100
Oklahoma Dept. of Environmental Quality
1000 North East 10th Street
Oklahoma City, Oklahoma 73117-1212
OREGON
(503) 229-5505
State Public Health Laboratory
1717 South West 10th Avenue
Portland, Oregon 97201
PACIFIC ISLANDS
(415)744-1594
U.S. EPA Region IX
Pacific Insulur Area Programs
75 Hawthorne Street
San Francisco, California 94105
PENNSYLVANIA
(717) 783-7150
Pennsylvania Department of Environmental Resources
P.O. Box 1467
Harrisburg, Pennsylvania 17105-1467
PUERTO RICO
Microbiology
(787) 274-7711
Chemistry & Radionuclides
(787) 274-7713
Puerto Rico Department of Health
Edificio a Centro Medico
P.O. Box 70184
San Juan, Puerto Rico 00936
RHODE ISLAND
(401) 222-2566
Rhode Island Department of Health
50 Orms Street
Providence, Rhode Island 02904
SOUTH CAROLINA
(803) 935-7025
South Carolina Department of Health & Environmental Control
P.O. Box 72
State Park, South Carolina 29147
SOUTH DAKOTA
(605) 773-3754
Department of Health
615 East 4th Streey
Pierre, South Dakota 57501-1700
TENNESSEE
(615) 532-0183
Tennessee Department of Environmental Conservation
6th Floor, L&C Tower
401 Church Street
Nashville, Tennessee 37243-1549
TEXAS
Refer to the yellow pages -- Laboratory-Analytical Section.
(512) 458-7523
Environmental Microbiology Section
Texas Department of Health
1100 West 49th Street
Austin, Texas 78756-3194
UTAH
(801) 584-8459
State Health Laboratory
46 North Medical Drive
Salt Lake City, Utah 84113-1105
VERMONT
(802) 863-7335
Vermont Department of Health
P.O. 1125
Burlington, Vermont 05402-1125
VIRGIN ISLANDS
(809) 775-4577
Department of Planning and Natural Resources
P.O. Box 4399
Charlotte Amalie
St. Thomas, Virgin Islands 00801
VIRGINIA
(804) 786-7905
Virginia Laboratory Certification Officer
One North 14th Street
Richmond, Virginia 23219
WASHINGTON
(206) 361-2820
Washington Department of Health
Health Laboratory
Drinking Water Laboratory Certification Office
1610 North East 150th Street
Seattle, Washington 98155
WEST VIRGINIA
Chemistry & Radionuclides
(304) 558-2782
Office of Laboratory Services
State Health Department
4710 Chimney Dr.
Big Chimney, West Virginia 25302
Microbiology
(304) 558-3530
Office of Laboratory Services
State Health Department
167 11th Avenue
South Charleston, West Virginia 25303
WISCONSIN
(608) 267-7633
Laboratory Certification Section
Wisconsin Department of Health and Social Services
P.O. Box 309
Madison, Wisconsin 53707
WYOMING
(303) 312-6985
Drinking Water Laboratory Certification Officer
U.S. EPA Region VIII
999 18th Street, Suite 500
Denver Federal Center
Denver, Colorado 80225
To report an error or an update, please contact EPA's Safe Drinking Water
Hotline, 1-800-426-4791 or send a report electronically www.epa.gov/OGWDW/drinklink.html
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