filter 2
Water Treatment

What Works?
What Doesn't?

Reverse Osmosis

By Tap Water Truth | February 9, 2018

Reverse Osmosis Natural osmosis occurs when solutions with two different concentrations are separated by a semi-permeable membrane. Osmotic pressure drives water through the membrane, the water dilutes the more concentrated solution, and the end result is equilibrium. In reverse osmosis (RO), carefully applied hydraulic pressure counteracts the natural osmotic pressure and forces the solution back…

Glossary of Water Terms

By Tap Water Truth | February 7, 2018

Clean Water Facts and Information Glossary of Water Terms absolute filter rating Refers to the smallest particle size that a filter will trap 100 percent. For example, a 5-micron absolute filter will trap all particles 5 microns and larger. See nominal filter rating. activated carbon Carbon that has been specially treated to enhance its ability…


By Tap Water Truth | February 7, 2018

Water filtration is an expansive topic that can refer to dozens of different processes all designed to remove impurities from water using a chemical process, a biological process, or a physical barrier. Filtration can be used in irrigation, aquariums, swimming pools, and drinking water, as well as for other purposes. Chemical Filtration Chemical filtration changes…

Water Softening

By Tap Water Truth | February 2, 2018

Water softening refers to a method of filtration by which “hard” water is made soft. Hard water is any water containing dissolved hardness minerals above 1 Grain per Gallon or 17.1 Parts per Million. The total dissolved hardness minerals are most often in the form of calcium, magnesium, and certain other metals. The most common…

droplets 1

Our Mission

We're here to make sure you know the condition of your water

Your Water

Learn what chemicals and toxins are in drinking water

filter 2
Your Options

Discover the water treatment solutions available to you