Water School

Raw water is ground or surface water that is taken directly from its source without treatment. Typically, most water is considered to be raw until it is treated by a potable water treatment process.

Separate from sanitary water lines or wastewater sewers, storm sewers carry away surface rain runoff, street wash and snow melt via curb-side drains.  Also unlike sanitary sewers, these systems usually drain directly into a creek, river, or other body of water without treatment.  This is also how a lot of the trash ends up in our rivers and lakes.  Everything thrown out in the street or dumped in a street drain (storm drain) ends up in a nearby river or lake.Dumping hazardous substances into the...

Wastewater treatment plants are typically located near creeks and rivers.  The treated effluent is returned to the water cycle by being released into these waterways.  As water sources become less abundant, many municipalities have chosen not to release effluent into the water cycle; rather to reuse the effluent for irrigation and industrial purposes directly from the water discharged from the treatment plant.

Effluent is the water that leaves a sewage treatment plant after it has been treated.

Greywater is wastewater from household or small commercial establishments that includes water from clothes washing machines, showers and bathtubs, and sinks used for handwashing.  Greywater does not include water from the kitchen sink used for the cleaning of food and from toilets, dishwashers, or water used for washing diapers.In some areas, greywater may be released into the environment without going through a treatment process. Texas laws prohibit the release of greywater into or near la...

A wastewater treatment plant is a system used to clean wastewater generated within municipal areas.  Most wastewater treatment plants utilize aerobic forms of cleaning water and removing waste so that water may be returned to the water cycle.At the treatment plant, the waste is separated into liquids that are purified and solid sludge that may be used in a number of recycling systems or taken to land fills.