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Certified labs near San Diego, California

12 rows

Eurofins Built Environment Testing West-San Diego, CA

CA

San Diego, California · (714) 837-5866

0 mi away

Analytical Environmental Lab, LLC

CA

San Diego, California · (619) 871-8505

2 mi away

EMSL Analytical, Inc.

CA

San Diego, California · (800) 220-3675

2 mi away

WSP USA Inc.

CA

San Diego, California · (858) 300-4350

4 mi away

WSP Microbiological & Molecular Services Laboratory

CA

San Diego, California · (306) 880-4452

4 mi away

Nautilus Environmental, Inc.

CA

San Diego, California · (858) 587-7333

4 mi away

Environmental Laboratory Network, Inc.

CA

San Diego, California · (858) 266-1666

5 mi away

H2O Molecular

CA

San Diego, California · (858) 203-8145

7 mi away

Metropolitan Solutions

CA

National City, California · (619) 831-8100

10 mi away

Applied Industrial Microbiology, Inc.

CA

Vista, California · (760) 295-0430

25 mi away

Alpha Analytical Laboratories, Inc. - San Diego

CA

Vista, California · (760) 536-3352

25 mi away

Sierra Analytical Labs, Inc.

CA

Laguna Hills, California · (949) 348-9389

63 mi away

Official lab list for California

California State Water Resources Control BoardThis state agency certifies the labs that may test drinking water. Use its list to pick a certified lab for your well sample.waterboards.maps.arcgis.com · checked 2026-10-18 · link via EPA

Recommended tests

  • Every year: bacteria (total coliform and E. coli), nitrate, pH and total dissolved solids — CDC

Get a test list for your home →

Many labs accept mailed samples, so a lab a few hours away may still work for you.