Cengage Advantage Books: Sustaining the Earth 10th Edition by Tyler Miller,Scott Spoolman

تمرين 23

In your community,
a. what are the principal nonpoint sources of contamination of surface water and groundwater?
b. what is the source of drinking water?
c. how is drinking water treated?
d. how many times during each of the past 5 year have levels of tested contaminants violated federal standards? Were violations reported to the public?
e. what problems related to drinking water, if any have arisen? What action, if any, has your local government taken to solve such problems?
f. is groundwater contamination a problem? If so, what has been done about it?
g. is there a vulnerable aquifer that needs protection to ensure the quality of groundwater? Is your local government aware of this? What action (if any) has it taken?