Water Testing Labs in Louisiana

Certified drinking water laboratories in Louisiana 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 →

15 Certified Labs in Louisiana

← All States

American Radiation Services (ARS)

📍 2609 N River Rd, Port Allen, LA 70767

📞 (225) 381-2991

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NELAP certifiedTNI accredited

Bio-Analytical Laboratories

📍 3240 Spurgin Rd, Doyline, LA 71023

📞 (318) 745-2772

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NELAP certifiedTNI accredited

CHEMTEX

📍 138 S Cities Service Hwy, Sulphur, LA 70663-6402

📞 (337) 626-2121

NELAP certifiedTNI accredited

EASI LLC

📍 2501 Lexington Ave, Kenner, LA 70062

📞 (504) 469-3685

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NELAP certifiedTNI accredited

Element Materials Technology Lafayette LLC

📍 2417 W Pinhook Dr, Lafayette, LA 70508

📞 (337) 237-7700

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NELAP certifiedTNI accredited

Element Materials Technology Lafayette, LLC

📍 2417 W. Pinhook Rd., Lafayette, LA 70508

📞 3372350483

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NELAP certifiedTNI accredited

Environmental Enterprises USA Inc

📍 58485 Pearl Acres Rd St D, Slidell, LA 70461

📞 (985) 646-2787

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NELAP certifiedTNI accredited

Gulf Coast Analytical Laboratories LLC dba Pace Analytical Gulf Coast

📍 7979 Innovation Park Dr, Baton Rouge, LA 70820-7402

📞 (225) 769-4900

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NELAP certifiedTNI accredited

Gulf Coast Testing LLC

📍 14378 Park Ave, Prairieville, LA 70769

📞 (225) 612-1987

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NELAP certifiedTNI accredited

Gulf States Environmental Laboratories Inc

📍 222 Spring St, Shreveport, LA 71101-0707

📞 (318) 220-9067

NELAP certifiedTNI accredited

Lafayette Consolidated Government

📍 1210 Walker Rd, (portion of), Lafayette, LA 70506

📞 (337) 291-5921

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NELAP certifiedTNI accredited

Pace Analytical Services LLC New Orleans

📍 1000 Riverbend Blvd Ste F, St. Rose, LA 70087

📞 (504) 469-0333

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NELAP certifiedTNI accredited

Pace Analytical Services LLC Baton Rouge

📍 7979 Innovation Park Dr Ste A, Baton Rouge, LA 70820-7402

📞 (504) 305-3612

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NELAP certifiedTNI accredited

SGS North America Inc - Scott

📍 500 Ambassador Caffery Pkwy, (portion of), Scott, LA 70583-8544

📞 (337) 237-4775

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NELAP certifiedTNI accredited

Waypoint Analytical Louisiana Inc

📍 5041 Taravella Rd, (a portion of), Marrero, LA 70072-4244

📞 (504) 371-8557

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NELAP certifiedTNI accredited

About Louisiana Water Testing Certification

All laboratories listed have been certified by Louisiana’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 Louisiana water systems →