Three locations to accomodate your analytical needs.


Clinical's main lab is located in Grand Terrace, CA and provides service to the inland areas of California. Our Hesperia location allows us to extend services to the high and low desert region of San Bernardino County, while our Lompoc location extends services to the Central and Coastal regions of California.




Clinical Laboratory of San Bernardino, Inc.


Clinical Laboratory of San Bernardino, Inc 

21881 Barton Road

Grand Terrace, CA 92313

Phone (909) 825-7693 


Geo-Monitor, Inc

   17152 Darwin Ave

  Hesperia, CA 92345

  Phone (760) 244-3481

Clinical Laboratory, Lompoc

                 516  N 8th St.

             Lompoc, CA 93436

           Phone (805) 737-7300





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Clinical Laboratory of San Bernardino, Inc., a California State Certified Small Business has been providing analytical services to Southern, Central and Coastal regions of California including the high and low desert regions of California for over 40 years.


Clinical Laboratory of San Bernardino, and its two satelite labs, provide a wide range of analytical testing services to State and Federal water agencies, industrial water clients, engineering firms, and private individuals.


Clinical Laboratory of San Bernardino's Project Management Team provides our valued clients with personalized, efficient, and courteous services that sets us apart from other laboratories.

State Water Resources Control Board Environmental Laboratory Accreditation Program Certification Number 1088

Your Water and Wastewater Analysis Solution.

             Kern County      Los Angeles County      Orange County      Riverside County      San Luis Obispo County 


                                               Santa Barbara County      San Bernardino County      Ventura County

Proudly serving the following:

Drinking Water           Storm Water           Waste Water

ELAP approved analyses include: Microbiology, Inorganic, Organic, and Radiological Chemistry for:

Celebrating 50 Years of Analytical Service 1967-2017