Water Pollution

5. also called Septic drain fields are subsurface wastewater disposal facilities used to remove contaminants and impurities from the liquid that emerges after anaerobic digestion in a septic tank.
6. the polluted form of water generated from rainwater runoff and human activities.
7. excessive plant and algal growth due to the increased availability of one or more limiting growth factors needed for photosynthesis
9. the contamination of water sources by substances which make the water unusable for drinking, cooking, cleaning, swimming, and other activities.
10. a variation in temperature which causes tension in a material.

1. any form of precipitation with acidic components, such as sulfuric or nitric acid that fall to the ground from the atmosphere in wet or dry forms.
2. an organism whose presence, absence or abundance reflects a specific environmental condition.
3. is a man-made outdoor earthen basin filled with animal waste that undergoes anaerobic respiration as part of a system designed to manage and treat refuse created by concentrated animal feeding operations.
4. semi-solid slurry that can be produced from a range of Sludge industrial processes, from water treatment, wastewater treatment or on-site sanitation systems.
8. an organism causing disease to its host, with the severity of the disease symptoms referred to as virulence.