The IWSL Difference

Scientists biologists analyze and test sample water at an industrial estate. Environment issues

Why Choose Us

We are locally owned and operated right in Bordentown, NJ. We are passionate about what we do because we care about the health and wellness of our own community.

Certified Results

When you get your results back, you can reliably trust their accuracy. With no conflicts of interest, we only want you to know what's in your water.

Exceptional Service

We understand that our customers don't need over-complicated explanations riddled with industry jargon. We provide easy-to-understand results and are always happy to talk them over with you in simple terms.

Fast Results and Recommendations

Because we are local and perform most of our analysis at our own laboratory, we are able to cut out the middle-men and get you your results fast. Our experts also monitor results to prepare guidance on next steps, should any remediation be necessary.

How It Works

Getting your water tested in New Jersey is critical for the well-being of your family and for staying within regulation. That’s why IWSL made it as easy as 1-2-3-4:


We know you're busy, especially if you're closing on a home. We work with your schedule to find the most convenient time for you.

Sample Collection

Our certified technicians will visit your home to collect the necessary samples — following all instructions given by the homeowner.

Laboratory Analysis

Samples are analyzed in our state-of-the-art lab for compliance with New Jersey's PWTA and other water quality concerns.

Results & Expert Guidance

You'll receive detailed results through our online portal, along with expert guidance on any necessary next steps or remediation.

Providing Value

Beyond PWTA testing, we provide many water quality testing options because we know how important it is to know what’s in your water. We do what we do because we care about our community’s health and wellness. Through our analysis, we educate our community and empower them make fact-based, personalized decisions about their drinking water.

Reliable Testing

We hold ourselves to the highest standards of water quality testing. Our technicians are highly trained experts in sample collecting and testing methods, and our equipment is state-of-the-art.

Continuous Development

We're dedicated to research and continuous learning. Our technicians undergo rigorous trainings on the most update techniques and methods of water quality testing.

Certified Laboratory

NJDEP Certified Water Testing Laboratory ID #03886

Lab technician doing chemical analysis. Testing chemical composition of the water