HPC Water Test

Vendor mytapscore
HPC Water Test
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Recommended for targeted testing of heterotrophic bacteria in drinking water. Heterotrophic bacteria are broadly defined as microorganisms that require organic carbon for growth. They include bacteria, yeasts, and molds and this total heterotrophic bacteria plate count (HPC) test is an excellent way to demonstrate a quantified presence or absence of microbial activity in a water supply. This testing package is particularly recommended for those noticing a musty, moldy, or mildew-like smell or taste in their water or who have noticed microbial growth/biofilm buildup on fixtures.

This Tap Score water test package provides all required materials to properly collect and submit a sample for certified laboratory testing. Reported results will include detailed, quantified analysis of total heterotrophic bacteria count.

HPC Water Test

Is this the right test for you?

What our scientists say:

“ This test allows you to quantify all heterotrophic microbial activity–bacteria, yeasts, and molds–in your water. Measuring total HPC before and after treatment is a common indicator of effectivity. "


This is the right test if you:

    • Water smells or tastes musty, moldy, or mildew-like.
    • See biofilm buildup or other microbial growths on faucets and fixtures.
    • Concerned about overall microbial activity in your drinking water.
    • Want to assess the performance of a UV filtration device.


How it works

  • Collect Sample

    1. Collect Sample

    We ship you everything you need to test your drinking water, including a guide on how to collect your sample.

  • Ship to Lab

    2. Ship to Lab

    Send your sample back to us for rigorous, certified, independent testing. The shipping’s on us!

  • Get Report

    3. Get Report

    After our labs analyze your sample, we’ll send you a full report on what's in your water and what to do next.

Your custom Tap Score awaits.

After our certified labs receive and test your water sample, we will email your custom Tap Score Report, a simple digital tool that helps you understand exactly what’s in your water and what you can do about it. LEARN MORE