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Ask us anything, we are here to help.

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University of California Seal

Headquartered in UC Berkeley
(where we were proudly founded)

Simplelab, Inc.
450 Sutardja Dai Hall
University of California
Berkeley CA 94720

Frequently Asked Questions

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When will I receive my results?

Each Tap Score package comes with a time estimate of how many business days are required to provide your results after the laboratory receives your box. Laboratory chemistry requires substantial manual labor time from staff scientists as well as machine operation time.

You can check the status of your Tap Score from initial packaging to final quality control by visiting

Which Tap Score package is right for me?

Every Tap Score Package has a name that describes its general purpose. For example, The Advanced Well Water Test includes laboratory testing for a list of chemical parameters that are most common among private and shared wells. The Advanced City Water Test focuses on contaminants commonly found in homes served by public water systems.

The best way to be sure you are getting the right package is to chat with us!

Should I test before or after my treatment unit?

Testing before any treatment is best for most people so you can know what kind of source-water you're dealing with. Our understanding of treatment science is good enough that we can be reasonably sure if a treatment product is producing good quality water based on what's going into it. If you want to make completely sure there's nothing wrong with your treatment unit, then you should test after as well.

Each Tap Score testing package should be used for testing a single water source.

When and how do you recommend treatment?

We use the combination of your contaminant results and survey responses to create a list of treatment products matched to you and your water's needs. Most of the treatment products we suggest have been vetted with certifications from the National Sanitation Foundation and / or Water Quality Foundation. We also consider customer reviews and lifetime cost estimates to ensure we are picking among products that will be best for your home. We have no affiliation with any treatment companies nor do we sell our own treatment equipment.

You can dive into the nitty-gritty of how our treatment matching works here.