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At Environmental Testing and Research Laboratories (ETR Labs), we do more than deliver accurate test results — we provide peace of mind. Since 1995, our in-house lab has been trusted by families, real estate professionals, mortgage lenders, and even other testing companies across the U.S. for fast, reliable testing of water, soil, and air. When you choose ETR Labs, your samples are tested directly by our experienced team — no middlemen, no delays, and no guesswork. Every test is performed in our own facility, ensuring precision and faster turnaround times. We’re passionate about helping you understand your results. That’s why our dedicated Customer Service team is available to walk you through your report and recommend next steps, so you can feel confident about the safety of your environment. Our mission is simple: give every customer the clarity and confidence they deserve. That’s the ETR Labs standard — and we don’t settle for anything less.
United States
This lab is incredible. I was being sent in circles by two separate filtration companies. After testing and speaking with Nick I finally got answers that not only made sense as he explained everything but helped me finally fix the problems we were having.
So glad I found these guys. No one else was able to figure out why our water problems (terrible odor) seemed to be getting worse and getting filtration seemed to be the only option. I started off testing with a different lab before finding them because we live in New Hampshire. Kaitlin from ETR was great and escalated my report to their lab director. I cannot even beleive how much this company knows about wells and overall water quality compared to the other places I talked to. Within a few minutes of talking to the lab director he somehow correctly suspected my well cap was buried. He told me my results indicated a really bad surface level contamination and that the odor was most likely from high bacteria and fungi. Since I knew where the well was located, he told me to have the well extended above ground level, replace the existing cap with one they recommended, and have the well thoroughly shocked. It's now been about 5 weeks since we did all that and my water has absolutely no foul smell. They recently retested my nitrate levels (apparently they represent surface water in wells) and they are now not detectable. Months ago they were almost over the EPA limit. Can't thank them enough as this had been a nightmare since buying our home a few years ago! Great job ETR!
Incredible lab, they really care about their customers. As someone who doesn’t know a whole lot about water quality, they took their time to help me understand everything about my water quality situation.
ETR labs has been a great partner with my home inspection business. I send my samples (from out of state) and the results are back quickly. They have great prices, service, and most of all the people. I will continue to use ETR labs, they have my trust and support.
ETR labs is fast and efficient! I couldn’t run my business without them!
ETR does great work. I use them frequently as a home inspector who takes water samples at a lot of my inspection. They produce accurate reports, they're very nice on the phone and super helpful. I highly recommend them and trust them.
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