laine
This test was simple to use
This test was simple to use, instructions were great, results came quickly. This is just what we needed for our GMP audit. Thanks!

Professional water testing service for home and business. Analyze your tap water or well water for basic contaminants like lead and arsenic or specialized risks like pharmaceuticals, bacteria, and microplastics. Wirecutter and Popular Science rank Tap Score #1. Test before you filter.
Tap Score (mytapscore.com) has 184 customer reviews on Five Star Index, with an average rating of 4.8 out of 5.
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Plumbing & Sanitation · Berkeley, California
Excellent

Plumbing & Sanitation · San Mateo, California
Excellent
Plumbing & Sanitation · Rocklin, California
Excellent

Plumbing & Sanitation · Hesperia, California
Excellent
Showing 165 reviews with 5 stars · Clear filters
laine
This test was simple to use, instructions were great, results came quickly. This is just what we needed for our GMP audit. Thanks!
BlueOrchid
I had a very good experience with this company, very easy to follow the information and good customer service when I had a couple of questions. I'm glad I got my water tested because there was a little bit of lead and a few other things, and no amount of lead is considered acceptable. Even if nothing had been found it was totally worth it for the Peace of mind.
Richard H.
The whole experience was straight forward and professional. Called to discuss results and help was provided. Both technical and sales support provided seamlessly and to my needs. I will be doing business with them again.
Erin
I've used Tapscore three times since buying our house in 2022. I'm new to having a well, and since we have a toddler, we wanted to make sure that our water was safe to drink. Tapscore has provided valuable information that the local "water guy" can't, and we were able to install a reverse osmosis system after our most recent test revealed uranium in the water (!!!). I've already recommended Tapscore to family and neighbors to keep them healthy.
James C.
Very simple process to collect your samples and send them back. The results were very thorough! We have now installed a new treatment system that will protect our family.
Wayne D.
Their water analysis system is comprehensive and very convenient to use. I used both the general water analysis as well as their test to determine bacterial contamination. The company provides very clear directions and makes taking the sample and returning it for analysis very easy. It provided all of the information that I needed to make the right choice on installing a water purification system. I will definitely use them in the future to monitor the performance of my new system.
Taryn M.
Water testing made simple! Even for Canadians (you do have to pay for shipping, but for what we wanted tested it was still better than what was available locally). The kits are nicely organized and easy to follow. And if you do happen to have any questions (before you even order, all the way through to getting your results), their customer service is fantastic! I honestly can't say enough about how thorough, and helpful the responses have been. These people know their stuff, and you can continue your conversations with them, days or weeks later without missing a beat as the chats are still all there for reference; no bots, no generic replys. Answers tailored just for you. Thank you to MyTapScore/SimpleLab for all your help! :)
Charles K.
What a delightful experience so far with SimpleLab. The bottom line up front is that I have found SimpleLab's mail-order water test process to be both simple, quick and responsive. After reviewing some example reports for other customers, I found the reports to be clean, comprehensive, and easy to understand. More importantly, I had a specific question about how to handle a particular situation and I am grateful to Robin at SimpleLabs for prompt responses and being willing to research my specific issue. So, while I have not yet received my report, and while it will be some time before I submit my “After” test sample to SimpleLabs to compare it to my initial “Before” results, I am very pleased with the experience so far. Now, if you’re bored and would like to have some more detail on this, here goes: 1. My saga starts about 6 months ago when I replaced my venerable, but quite unfriendly, 1989 Weil-McLain cast-iron kerosene boiler with a Rinnai Tankless Combi-Boiler running on propane. 2. In my research prior to the replacement, I learned that the thin fins of the tankless boiler’s heat exchanger are very sensitive to scale buildup and that my water “hardness” (i.e., concentration of Ca2+ and Mg2+) was something I would have to get a handle on. This was particularly true given that I live in a rural area and use a well. I had done a water test 10 years earlier but have long since lost those records and only have vague memories what they showed. So when my vendor for the tankless boiler sent me one of those follow-up auto-emails saying that they carried “water softening” solutions that fixed hard water and that they would do a “free water test”, I scheduled an appointment. 3. Hmmm……the “test” was more or less along the lines of a coloring exercise. The vendor’s water analyst dipped some strips into the water, did a eye-dropper test of some sort, and basically said “Red is bad, water softener needed, cost is $6500 (or $1-$2k more for premium add-ons), and install next week.” Now, I have impaired color vision (something called Red-Green deficiency) so I couldn’t tell whether the strips or drops were red or blue or something else, but I seemed to remember that there were numbers involved in testing for impurities in the water. So, I told him I would get back to him. 4. I then did some research and learned: a. This “water softening” thing is one solution to the water “hardness” piece, of the water purity problem. It appears softening is an effective solution, but there are simpler, less burdensome (e.g., no salt maintenance, no reverse osmosis for Na and Cl ions, no special sink faucets, etc.) and far cheaper solutions (like 90%+ cheaper) such as scale inhibitors (polyphosphate, electric/magnetic, etc.) for addressing some water hardness situations. b. The water softening may not do anything at all for iron, lead, volatile organic compounds (think pesticides), bacteria or viruses, and for city folks, chlorine/chloramine. I think catching these is what the add-ons are for. c. I found SimpleLabs and their approach to water testing is all about those numbers I seemed to remember. Good news! 5. Finally, my specific question was: if I use a scale inhibitor that changes the crystalline structure of the Ca2+ and Mg2+ going through my water system so that these ions DO NOT STICK TO THE PIPES (i.e., no scale is created), but the Ca2+ and Mg2+ ARE NOT ACTUALLY REMOVED from the water like a water softener does (they just pass harmlessly through the system), does the Tap Score reflect this in some way so I can quantitatively measure the degree of scale inhibition? Unfortunately, the answer appears to be “No”. But I thought I’d ask. 😊