Effluent.
Water that flows from a sewage treatment plant after it has been treated.

Electrolyte.
An ion that is electronically charged and moves to either a negative or positive electrode. Electrolytes are important because they are what your cells use to carry electrical impulses across themselves to other cells. Electrolytes are often added to sports drinks to replenish an athlete with the electrolytes they lost during their workout.

Element.
An element consists of only one kind of atom and cannot be broken down into a simpler type of matter.

Endocrine Disrupter.
Chemicals that interfere with the process controlled by the endocrine system. These chemicals can be ingested, inhaled, or through touch.

 

Endocrine disruptors can imitate the hormone and disrupt the process of a hormone binding to its receptor which can send incorrect signals to the glands.

Environmental Protection Agency.
An agency of the federal government formed to protect human health and the environment by enforcing certain regulations. An example of a regulation that has been passed is the Safe Water Drinking Act.

This act requires many actions to protect drinking water and its sources: rivers, lakes, reservoirs, springs, and ground water wells.

Epilimnion.
The top most layer in a thermally stratified lake. It is warmer and typically has a higher pH but lower dissolved oxygen concentration than the hypolimnion.

Equilibrium.
A state of rest or balance due to the equal action of opposing forces. Drinking more water can bring the body’s functions back to equilibrium and help your body rid problems of water retention.

Erosion.
The process in which a material is worn away by a stream of liquid (water) or air, often due to the presence of abrasive particles in the stream.

Estuary.
A place where fresh and salt water mix, such as a bay, salt marsh, or where a river enters an ocean.

Eutrophication.
Refers to an increase of nutrients in a body of water. A natural process for the environment, however at an accelerated rate it can become a problem by impacting water quality and biodiversity. As an excess of nutrients are carried into the water an explosion of plant life causes a scarcity of oxygen in the water.

Evaporation
The process of liquid water becoming water vapor, including vaporization from water surfaces, land surfaces, and snow fields, but not from leaf surfaces. See transpiration

Evapotranspiration
The sum of evaporation and transpirat

 

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