Certified laboratory water testing for home and business.
Tap Score combines the integrity of a world-class laboratory network with the ease of DIY kits to make testing your drinking water simple, fast and factual.
How it works
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Collect Sample
SHOP ALL TESTSWe ship you everything you need to test your drinking water, including a guide on how to collect your sample.
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Certified Testing
ABOUT OUR LABSDrop your sample in the mail using our pre-paid shipping and we will send your sample to the closest, specialized lab.
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Water Report
ABOUT YOUR SCOREWithin 5 to 7 business days, we’ll send you an interactive report that explains your contaminant levels and what to do next.
Regional Lab Power
Over 200 certified testing facilities, accredited in all 50 States, Puerto Rico and in Canada.
GET STARTEDOur most popular tests
- I Have City Water
- City Water
- I Have Well Water
- Well Water
Essential City Water Test
Basic test panel for water utility customers primarily concerned by metals, aging pipes, and infrastructure.
Advanced City Water Test
Ideal baseline for testing tap water provided by a local water utility–including metals, minerals, and chlorine-related byproducts.
Extended City Water Test
Comprehensive testing for the core concerns impacting utility-provided tap water, plus analysis of radioactive particles and additional disinfection byproducts.
“Of the three tests that we took, Tap Score was the easiest. It also had the most comprehensive results.”
— POPULAR SCIENCE REVIEW
“All of this makes Tap Score by far the most user-friendly and informative home water quality test kit we found.”
— WIRECUTTER
“The Water Systems Council endorses a mail-in water test from SimpleLab called Tap Score.”
— THE WASHINGTON POST
Answers for
Everyone
Shop for water tests your way. Whether you want a basic overview of your water or have a specific contaminant in mind, we have a test for you.
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Get Covered
SHOP CORE KITSOur Core Kits, based on your water source, will cover just about everything you need. We recommend everyone start here, then customize as needed.
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Get Specific
SHOP SPECIALIZED TESTSIf you have a very specific exposure risk or concern, like agricultural runoff, you may want to shop our smaller, more focused kits.
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Get Nerdy
SEARCH CONTAMINANTSDo you know your stuff? You looking for something realllly specific? Then you can shop our water tests by the exact substance you have in mind.
Specialized lab network for faster turnaround.
Tap Score matches your water sample with the closest lab in our network that specializes in your water source to ensure higher standards and faster turnaround times.
We know this is complicated.
Where to begin? What should you test for? What does it all mean for your health and safety? Answers to all your big (and small) questions are always a chat away.
What test do I need?
When in doubt, we recommend that everyone start with one of our CORE KITS, which test multiple contaminants within a single test and are designed specifically for your drinking water source.
What’s the turnaround time?
Most people receive results within 3-5 business days after the lab receives their sample. However, some tests may require additional analytical time so be sure to check each kit’s product page for the most accurate estimate.
What does my report include?
Your report will rank your water against local and federal safety benchmarks, provide a thorough breakdown of any contaminants detected and how they may be affecting your health or plumbing, and provide non-biased treatment recommendations.
Are Tap Score labs certified?
Every lab facility in our network is certified with accreditations ranging from ISO to NELAC/ELAP, Direct State, DoD, DoE, DoH and beyond. Need a specific certification? Let us know so that we can meet your needs accordingly.