Water Quality
Module 3
Lesson 1- Answer Key,
Post Class Mini Test
Acknowledgement: Taken from "Living on
the Land 2001"
Answer Key
1. Six categories of pollutants
- Nutrients – animal waste, fertilizers,
septic systems, auto emissions
- Pathogens – failing septic systems, animal
waste, marine sanitation devices
- Sediment (dirt) – road sand, construction
sites, agricultural fields, disturbed sites
- Chemicals – industrial, commercial,
household, and agricultural chemicals; auto emissions
- Debris (junk) – illegal dumping, street
litter
- Temperature – runoff from heat-absorbing
surfaces, removal of streamside vegetation, shallow water impoundments,
decreased base flow
2. F
3. Clean Water Act
4. Avoiding pathogen pollution:
- Maintain and pump septic systems
- Manage animal wastes properly
- Maintain a protection zone around your
wellhead
- Never dump wastes directly into waterbodies
5. F
6. T
7. Nonpoint source pollution
8. F
9. T
10. T