Garden State Laboratories, Inc.

Analytical Excellence Since 1943

For information on Public Recreational Bathing Water Testing (swimming pools, lakes, beaches, whirlpools and aquatic facilities) and the updated 2018 Regulations click here.

The New Jersey Department of Health has adopted changes to the Public Recreational Bathing Regulations (N.J.A.C. 8:26-1 et. seq.).  These changes affect the microbiological sampling and processing of public recreational bathing facilities. Click here to view the new Regulations.

Here is a link to an EnviroPolitics Blog video with Lab Director Harvey Klein, M.S., discussing the proposed Public Recreational Bathing Regs and Drinking Water standards.

For information on NJ's Private Well Testing Act, click here.

The Revised Total Coliform Rule for drinking water went into effect in New Jersey on April 1, 2016.  Click here for the USEPA Quick Reference Guide.

For information about Food Pathogen Testing, including E. coli O157:H7, Salmonella & Listeria click here.

Garden State Labs is certified for lead in drinking water analysis.

Lead in school drinking water has become a major issue since its detection in Flint, Michigan & Newark schools. Click here to go to our Lead in Drinking Water - Schools and Child Care Facilities webpage.  This webpage has important information including USEPA & NJDEP Guidance, NJ Dept of Health Factsheets, NJ Dept. of Education Regulations & analytical costs:

For information on the USEPA Aircraft Drinking Water Rule click here

or call toll free 800-273-8901


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Who We Are:

Garden State Laboratories, Inc. is a certified independent water, food and environmental testing laboratory. We analyze drinking water, wastewater, sludges, biosolids, soils, solid wastes, hazardous wastes, monitoring wells, food and dairy products for chemical, bacteriological and other microbiological contaminants. In addition we test recreational bathing waters such as swimming pools, whirlpools, hot tubs, lakes, and beaches for bacteria and chemicals. We also help develop and implement HACCP plans for the food industry.

With 75 years of involvement in these fields, Garden State Labs would like to share our experience, expertise and valuable insight in these branches of environmental science, food science and public health. This site will continue to expand as a resource for those interested in finding up-to-date and hard-to-find information relating to methodologies, regulations and testing capabilities in these fields.

Along with our Main Lab in Hillside, New Jersey, we have the Jersey Shore Lab in Waretown, Ocean County, NJ. The Jersey Shore Lab has obtained NJDEP State Certification. There is also a West Jersey Office in Glen Gardner, Hunterdon County and a North Jersey Office in Sparta, Sussex County. Samples can be dropped off at any of these locations. Our offices are video-linked back to our main lab for your convenience. We maintain a fleet of field samplers to provide you with unparalleled sample pick up service. Click here for map.

We value your feedback and input. If you have suggestions, please feel free to drop us a line and let us know how we can improve this site or help you with your testing needs.

The Garden State Labs Main Lab in Hillside, NJ earned NELAP, now TNI, Accreditation in January 2001. This is the highest level of laboratory accreditation in the United States. Garden State Labs is Certified in the States of New Jersey, New York and Pennsylvania. Please see our Certifications page for detailed information.

Quality Is No Accident

Mathew Klein, M.S. Established Lab - 1943

A Look At Our . . .

TNI Accreditation



Facilities and Instrumentation

Our Corporate History


Organizational Links

Sample Drop Off Locations (with map and directions)

Job Openings

HACCP - Food Safety Programs & Related Links

New Jersey State and USEPA Federal Drinking Water Standards

Information about New Jersey's new Private Well Testing Act, A1306

Recreational Bathing Water Testing Program for Swimming Pools, Whirlpools, Lakes & Beaches

Information about drinking water testing on Aircraft

Microbial Source Tracking - Human or Animal Fecal Contamination

Click here for the NJ State's Boil Water Advisory Factsheet. 

Directions for the Disinfection of Drinking Water Wells using Chlorine and other methods.

What's New...


Here now!. . .

On-Line Resources For:

To pay your invoice online, include your Client # and Invoice #, if available.  These are located on the upper right corner of your invoice.  Enter them in the "Enter description" area:

CONTACTING Garden State Laboratories, Inc.

Send e-mail to Garden State Labs, or use

Call us at:
The Lab in Hillside, NJ - (800) 273-8901

The North Jersey Office in Sparta, NJ - (973) 729-1827

The Jersey Shore Lab in Waretown, NJ - (609) 698-0199

The West Jersey Office in Glen Gardner, NJ - (908) 537-7414

FAX us at:
The Lab in Hillside, NJ - (908) 688-8966

The North Jersey Office in Sparta, NJ - (973) 729-2126

The Jersey Shore Lab in Waretown, NJ - (609) 698-0910

The West Jersey Office in Glen Gardner, NJ - (908) 537-7415

Or send mail to:
Garden State Laboratories, Inc.
410 Hillside Avenue
Hillside, NJ 07205

Garden State Laboratories, Inc.
Site Copyright © 1995-2018 Garden State Laboratories, Inc. Page last modified 9/15/18