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Certified labs near Signal Hill, California

12 rows

Strata -Analysts Group, Inc.

CA

Signal Hill, California · (562) 426-0199

0 mi away

AQ Environmental Laboratories, LLC

CA

Signal Hill, California · (562) 206-2770

0 mi away

Performance Analytical Laboratories, Inc.

CA

Signal Hill, California · (805) 809-1041

0 mi away

Alpha Analytical Laboratories, Inc. - Los Angeles

CA

Signal Hill, California · (424) 267-5032

0 mi away

Advanced Technology Laboratories

CA

Signal Hill, California · (562) 989-4045

0 mi away

Applied Microbiological Services (AMS)

CA

Long Beach, California · (562) 495-9500

2 mi away

Moore Institute for Plastic Pollution Research

CA

Long Beach, California · (562) 726-3365

4 mi away

SGS Forensic Laboratories

CA

Carson, California · (310) 763-2374

6 mi away

ASSET Laboratories

CA

Cerritos, California · (562) 219-7436

7 mi away

Alpha Scientific Corporation

CA

Cerritos, California · (562) 809-8880

7 mi away

Food Microbiological Laboratories, Inc.

CA

Cypress, California · (714) 657-7527

8 mi away

World Oil Recycling

CA

Compton, California · (310) 537-7100

8 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.