Water Pollution

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Across
  1. 2. an abundance of fertility to a body of water and can cause a rapid growth of algae which eventually dies, causing the microbes to increase the BOD.
  2. 3. are a class of synthetic halogenated organic compounds used in numerous polymer-based commercial and household products, such as textiles, furniture, and electronics, to increase their flame ignition resistance and to meet increasingly strict fire safety standards
  3. 12. a bacterium, virus, or other microorganism that can cause disease.
  4. 13. it is like bacteria that put a large demand for oxygen in the water
  5. 14. the contamination of streams, rivers, lakes, oceans, or groundwater with substances produced through human activities and that negatively affect organisms.
  6. 16. diffuse areas such as an entire farming region that pollutes a waterway.
  7. 17. a semi-solid slurry that can be produced from a range of industrial processes, from water treatment, wastewater treatment or on-site sanitation systems.
  8. 18. distinct locations that pump waste into a waterway.
  9. 20. an underground array of perforated pipes adjacent to the septic tank.
  10. 21. an organism whose presence, absence or abundance reflects a specific environmental condition.
Down
  1. 1. highly toxic product whose production was banned by United States federal law in 1978, and by the Stockholm Convention on Persistent Organic Pollutants in 2001.
  2. 4. occurs when human water pollution speeds up the aging process by introducing sewage, detergents, fertilizers, and other nutrient sources into the ecosystem.
  3. 5. are standards that are set by the United States Environmental Protection Agency for drinking water quality.
  4. 6. a group of bacteria that are passed through the fecal excrement of humans, livestock, and wildlife
  5. 7. the amount of oxygen a quantity of water uses over a period of time at a specific temperature.
  6. 8. 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.
  7. 9. a large container that receives wastewater from the house.
  8. 10. the discharge of heated water into bodies of water
  9. 11. it can carry a wide variety of disease-causing organisms
  10. 15. large, human-made ponds line with rubber to prevent the manure from leaking into the groundwater.
  11. 19. a variation in temperature which causes tension in a material.