surface water

Groundwater

Groundwater

Groundwater is water that accumulates underground. It can exist in spaces between loose particles of dirt and rock, or in cracks and crevices in rocks. Different types of rocks and dirt can contain different amounts of water. The saturation zone is the portion of the soil and rock that is saturated with water, while the unsaturated zone is the portion of the soil and rock that is not saturated. The top of the saturated zone is called the water table. 

Pesticides and Water Pollution

Pesticides and Water Pollution

The term "pesticide" is a composite term that includes all chemicals that are used to kill or control pests. In agriculture, this includes herbicides (weeds), insecticides (insects), fungicides (fungi), nematocides (nematodes), and rodenticides (vertebrate poisons). 

Detailed Campylobacter

Detailed Campylobacter

Campylobacter is the leading cause of bacterial diarrheal illness and is found everywhere! The Campylobacter organism is a bacterium that can cause disease in humans and animals with one species – Campylobacter jejuni – being responsible for most of the human illness cases. 

Detailed Escherichia Coli

Detailed Escherichia Coli

Escherichia coli, also referred to as E. coli, is a type of fecal coliform bacteria that is found in the intestines of healthy warm-blooded animals and humans. Most E. coli strains are harmless and serve a useful function in the body by stopping the growth of harmful bacteria species and by making necessary vitamins. However, some strains can be opportunistic pathogens, while others can cause gastrointestinal illness in healthy humans when ingested.

Detailed Giardia

Detailed Giardia

Giardiasis is an infection of the small intestine caused by the protozoan (single-celled, microscopic organism) Giardia intestionalis (also referred to as Giardia lamblia).

Detailed Helicobacter Pylori

Detailed Helicobacter Pylori

Helicobacter pylori are a type of gram-negative bacteria, spiral in shape with sheathed flagella that researchers now believe are the main cause of peptic ulcers.