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Did You Know?

If everyone in the U.S. could manage to use just one less gallon of water per shower every day, we could save some 85 billion gallons per year. How do you do it? Keep the shower pressure lower and make your showers a few seconds shorter.



Glossary of Terms

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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Alum (Aluminum Sulfate):

Added in the drinking water treatment process causing particles to clump together and fall to the bottom of the settling basins.

Anthracite:

A hard coal used in the drinking water treatment process to remove particles.

Aquifer:

An underground layer of rock or soil that holds the water referred to as groundwater.

Chlorine:

A liquid or gas chemical that is used as a disinfectant in the drinking water treatment process.

Coagulation:

The process by which coagulant compounds are mixed into the water to neutralize electrical charges on small impurities and come together to form larger particles.

Condensation:

The change of water from a gas to a liquid.

Contaminant:

Anything added to a substance that makes it impure.

Disinfection:

A chemical process used to kill any germs in the water.

Distribution System:

The process by which water is sent from the treatment plant to homes and businesses.

Drought:

A deficiency of precipitation over an extended period of time.

Evaporation:

The process where water becomes vapor in the atmosphere.

Filtration:

The process in which a liquid is passed through a filter to remove any dirt or impurities.

Floc:

The large particles produced from coagulated particles binding together.

Fluoride:

A compound that is sometimes added to drinking water in an effort to help prevent tooth decay.

Greywater:

Domestic wastewater such as water from tubs, showers or washing machine water.

Groundwater:

The water beneath the surface of the ground.

Hardness:

A characteristic of water caused by mineral salts of magnesium and calcium.

Nonpoint Source Pollution:

Pollution that cannot be traced to one specific location. It may include rainwater runoff or fertilizer from fields.

Ozone:

A gas used in the water treatment disinfection process.

Percolate:

Soaking of water through the soil.

pH:

A measure of acidity and alkalinity of a solution, represented by a number on a scale.

Precipitation:

Water in the form of rain, sleet, hail or snow.

Reservoir:

A man-made lake that holds and stores water.

Residual Solids:

Settled solids from the sedimentation segment of the treatment process.

Riparian Buffer:

The green areas along the banks of streams, rivers, lakes and ponds. These areas are important for water quality, flood storage and cover and shade for plants and animals.

Runoff:

The portion of rain that is not absorbed into the soil but flows into streams.

Sediment:

A mineral or organic solid that is washed from the land into lakes, streams, or rivers.

Sedimentation:

The process where solids suspended in water settle to the bottom of a basin.

Source:

Where a stream or river begins.

Surface Water:

Water located on the surface of land, such as rivers, lakes, and ponds.

Transpiration:

The process whereby water vapor is given into the atmosphere by living plants.

Turbidity:

The cloudy or muddy appearance of a naturally clear liquid caused by the suspension of particles.

Water Conservation:

Protecting and preserving the amount of water you use.

Water Cycle:

The process by which water renews itself.

Water Meter:

A device that measures the quantity of water coming into your home or business.

Watershed:

The area where water drains from the land into a common body of water, such as a river, lake or ocean.

Water Treatment:

The process of cleaning water.

Well:

A deep hole drilled in the ground to obtain water.

Xeriscaping:

Landscaping technique designed to minimize the need for watering.

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