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Your Trusted
Dairy and Water Testing Laboratory

At Sierra Dairy Laboratory, our accurate and timely services have made us the preferred laboratory for leading businesses and municipalities across North America for the last 35 years.

A Best-In-Class Provider of Dairy and Water Testing 

Milk Components

Dairy Products

Food Analysis

Waste Water

Milk Quality

Compliance Testing

Antibiotic Testing

Water Quality

Dairy Testing 

We provide comprehensive dairy testing services including analytical microbiology, wet chemistry, and infrared component analysis

Sierra Dairy Laboratory provides testing services for a number of water quality and wastewater applications

Water Testing

Empowering Customers For Decades 

Since 1989, we have completed millions of tests across a variety of industries with one goal: to serve as a reliable partner to help our customers make informed decisions for their businesses

As a niche and highly specialized laboratory, we pride ourselves on
accurate results, quick turnaround times, and high quality of service.

Our team of highly skilled technicians brings decades of combined experience to every test we perform. We maintain rigorous quality control standards and are certified by multiple regulatory bodies, including the CDFA and ELAP. This commitment to excellence ensures that our customers receive consistently reliable results they can trust to make critical business decisions.

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Courier Pickup Services

To enhance our testing service offerings, we are excited to introduce our convenient sample pickup service. This initiative is designed to simplify the collection process, ensuring that your samples reach our laboratory efficiently and without hassle.

Accreditations & Certifications

Our committment to quality and compliance is reflected in our certifications and licenses from leading regulatory organizations.

Dairy and water testing

California Department of Food & Agriculture

Lab Identification # 06-B-00150

California Department of Food and Agriculture
Dairy and water testing

Environmental Laboratory Accreditation Program

Environmental Laboratory Accreditation Program
Dairy and water testing

U.S. Food & Drug Administration

Lab Identification # 06-B-00150

Food and Drug Administration
Dairy and water testing

U.S. Department of Agriculture

United States Department of Agriculture

Looking for quality dairy or water testing services?

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