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

    1. Nutrients – animal waste, fertilizers, septic systems, auto emissions
    2. Pathogens – failing septic systems, animal waste, marine sanitation devices
    3. Sediment (dirt) – road sand, construction sites, agricultural fields, disturbed sites
    4. Chemicals – industrial, commercial, household, and agricultural chemicals; auto emissions
    5. Debris (junk) – illegal dumping, street litter
    6. 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:

    1. Maintain and pump septic systems
    2. Manage animal wastes properly
    3. Maintain a protection zone around your wellhead
    4. Never dump wastes directly into waterbodies
5.  F

6. T

7.  Nonpoint source pollution

8.  F

9. T

10.  T