Water Pollution Chapter 14

2. An excess of nutrients from anthropogenic sources
6. Added to pesticides to increase their effectiveness
7. A common indicator species used to test for the presence of wastewater
8. Can lead to thermal shock
11. A place to store wast that is lined with rubber and surrounded by a levee
13. Collects in the grit tank of a septic tank
15. The area of a septic system that is fed by seepage from small perforations in underground pipes
16. A part of a septic system; where the sludge from the wastewater settles
17. Spread by poor water quality and causes many people in undeveloped countries to die
19. A type of small-scale sewage treatment that might be found in a remote area
20. An insecticide that decreases bird populations by thinning eggshells
21. The toxic form of mercury, made by bacteria in water
23. Includes PCBS and other chemicals used in manufacturing

1. Can lead to algal blooms and dead zones
3. Laws for protecting marine life & habitat
4. Laws for the quality of drinking water
5. What are coliform bacteria and canaries considered?
9. Impact hormones; may decrease or increase their function
10. Used to measure how much waste is in water based on oxygen demand
12. A naturally occurring compound that is released by drilling and seeps into groundwater
13. Clearer water in the middle area of septic tanks
14. Carried by the aid of rain or snow and lowers pH
18. Includes perchlorates for rocket fuel
22. A heavy metal found in the lining of pipes and brass fittings
24. Created by a positive feedback loop of low O2 and death