Water Testing Labs in Illinois

Certified drinking water laboratories in Illinois accredited for EPA-regulated contaminant testing, including bacteria, metals, nitrates, and PFAS.

Check your water report first — it’s free. Look up your public water system’s EPA compliance data before scheduling an independent test. Search by ZIP →

35 Certified Labs in Illinois

← All States

AbbVie Environmental, Health and Safety Laboratory

📍 100 Abbot Park Rd, Abbot Park, IL 60064-6217

📞 (847) 937-1574

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NELAP certifiedTNI accredited

American Water Central Laboratory

📍 1115 South Illinois St., Belleville, IL 62220-3153

📞 (618) 235-3600

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NELAP certifiedTNI accredited

ARDL, Inc.

📍 400 Aviation Drive, P.O. Box 1566, Mt. Vernon, IL 62864-

📞 (618) 244-3235

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NELAP certifiedTNI accredited

Bureau Veritas North America, Inc.

📍 95 Oakwood Road, Lake Zurich, IL 60047-

📞 (847) 726-3320

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NELAP certifiedTNI accredited

Carbondale Central Laboratory

📍 2401 South McLafferty Road, Carbondale, IL 62903-

📞 (618) 457-8613

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NELAP certifiedTNI accredited

Clean Air Engineering, Inc.

📍 500 West Wood Street, Palatine, IL 60067-4929

📞 (847) 991 - 3300

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NELAP certifiedTNI accredited

Culligan Analytical Laboratory

📍 9399 West Higgins Road, Suite 1100, Rosemont, IL 60018-

📞 (847) 430-1219

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NELAP certifiedTNI accredited

Eurofins Chicago

📍 18410 Crossing Drive Suite E, Tinley Park, IL 60487-

📞 (708) 534-5200

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NELAP certifiedTNI accredited

First Environmental Laboratories, Inc.

📍 1600 Shore Road, Suite D, Naperville, IL 60563-

📞 (630) 778-1200

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NELAP certifiedTNI accredited

Four Rivers Sanitation Authority

📍 3333 Kishwaukee Street, Rockford, IL 61109-

📞 (815) 387-7523

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NELAP certifiedTNI accredited

Gabriel Laboratories, Ltd.

📍 1421 North Elston Ave., Chicago, IL 60642-

📞 (773) 486-2123

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NELAP certifiedTNI accredited

Grace Accusure Labs

📍 5300-B McDermott Drive, Berkeley, IL 60163-

📞 (708) 449-9449

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NELAP certifiedTNI accredited

Illinois Environmental Protection Agency Laboratory

📍 825 North Rutledge, 4th Floor, Springfield, IL 62702

📞 2177829780

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NELAP certifiedTNI accredited

Lake County Environmental Laboratory

📍 500 W Winchester Rd Unit 103, Libertyville, IL 60048-

📞 (847) 377-7741

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NELAP certifiedTNI accredited

Metiri Group - Geneva

📍 1950 South Batavia Ave., Suite 150, Geneva, IL 60134-

📞 (708) 544-3260

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NELAP certifiedTNI accredited

MICROBAC LABORATORIES, INC-NORTHBROOK

📍 700 LANDWEHR ROAD, NORTHBROOK, IL 60062-2310

📞 (847) 564-0700

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NELAP certifiedTNI accredited

MWRDGC Calumet Analytical Laboratory

📍 400 East 130th Street, Chicago, IL 60628-

📞 (773) 256-3520

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NELAP certifiedTNI accredited

MWRDGC Egan Analytical Laboratory

📍 550 S. Meacham Road, Schaumburg, IL 60193-

📞 (847) 584-5555

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NELAP certifiedTNI accredited

MWRDGC Industrial Waste Laboratory

📍 6001 West Pershing Road, Cicero, IL 60804-

📞 708-588-4124

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NELAP certifiedTNI accredited

MWRDGC Organic Compounds Analytical Laboratory

📍 550 S. Meacham Rd, Schaumburg, IL 60193-4370

📞 (847) 584-5601

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NELAP certifiedTNI accredited

MWRDGC Stickney Analytical Laboratory

📍 6001 West Pershing Road, Cicero, IL 60804-4112

📞 (708) 588-4064

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NELAP certifiedTNI accredited

North Shore Water Reclamation District

📍 14770 W. Wm. Koepsel Drive, P.O. Box 750, Gurnee, IL 60031-0750

📞 (847) 623-6060

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NELAP certifiedTNI accredited

Pace Analytical Services, LLC – McHenry, Illinois

📍 4314-A, Crystal Lake Rd, McHenry, IL 60050-

📞 (815) 344-4044

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NELAP certifiedTNI accredited

Pace Analytical Services, LLC.- Peoria

📍 2231 W. Altorfer Drive, Peoria, IL 61615-

📞 309-683-1744

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NELAP certifiedTNI accredited

RADIATION SAFETY SERVICES INC (RSSI)

📍 6312 OAKTON STREET, MORTON GROVE, IL 60053-2723

📞 (847) 965-1999

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NELAP certifiedTNI accredited

Rock River Fabrication

📍 900E Commercial St., Lyndon, IL 61261-

📞 (630) 545-3822

NELAP certifiedTNI accredited

Sangamon County Water Reclamation District

📍 3000 North 8th Street, Springfield, IL 62707-

📞 (217) 993-7358

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NELAP certifiedTNI accredited

Scientific Control Laboratory, Inc.

📍 3158 South Kolin Avenue, Chicago, IL 60623-4831

📞 (773) 254-2406

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NELAP certifiedTNI accredited

SRN Testing Services

📍 2258 Southwind Blvd., Bartlett, IL 60103-

📞 (630) 503-5002

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NELAP certifiedTNI accredited

Sterling Labs (fka Environmental Monitoring and Tech)

📍 509 N.3rd Avenue, Des Plaines, IL 60016-

📞 (847) 324-3341

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NELAP certifiedTNI accredited

Sterling Labs (fka STAT Analytical)

📍 2242 West Harrison Street, Chicago, IL 60612-

📞 (312) 733-0551

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NELAP certifiedTNI accredited

Teklab, Inc-Bluff Rd

📍 1355 Bluff Rd, Collinsville, IL 62234-

📞 (618) 344-1005

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NELAP certifiedTNI accredited

Teklab, Inc-United Drive

📍 120 United Drive, Collinsville, IL 62234-7433

📞 (618) 344-1044

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NELAP certifiedTNI accredited

Test, Inc.

📍 2323 4th Street, Peru, IL 61354-

📞 (815) 224-1650

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NELAP certifiedTNI accredited

Will County Health Dept. - Environ. Health Lab.

📍 501 Ella Ave., Joliet, IL 60433-

📞 (815) 727-5060

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NELAP certifiedTNI accredited

About Illinois Water Testing Certification

All laboratories listed have been certified by Illinois’s state drinking water program. State-certified labs demonstrate proficiency in testing drinking water for contaminants regulated under the Safe Drinking Water Act. For private well testing, contact a lab directly to discuss the appropriate test panel for your area.

For public water systems, check EPA compliance data free at ClearWater. View Illinois water systems →